The study of serum, especially of antigen-antibody reactions in vitro.
Diagnostic procedures involving immunoglobulin reactions.
Immunoglobulins produced in a response to BACTERIAL ANTIGENS.
An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed.
EPIDEMIOLOGIC STUDIES based on the detection through serological testing of characteristic change in the serum level of specific ANTIBODIES. Latent subclinical infections and carrier states can thus be detected in addition to clinically overt cases.
Immunoglobulins produced in response to VIRAL ANTIGENS.
The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B.
Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed)
In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.
A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally being called a macroglobulin.
A contagious venereal disease caused by the spirochete TREPONEMA PALLIDUM.
Serologic tests for syphilis.
Interstitial pneumonia caused by extensive infection of the lungs (LUNG) and BRONCHI, particularly the lower lobes of the lungs, by MYCOPLASMA PNEUMONIAE in humans. In SHEEP, it is caused by MYCOPLASMA OVIPNEUMONIAE. In CATTLE, it may be caused by MYCOPLASMA DISPAR.
A spiral bacterium active as a human gastric pathogen. It is a gram-negative, urease-positive, curved or slightly spiral organism initially isolated in 1982 from patients with lesions of gastritis or peptic ulcers in Western Australia. Helicobacter pylori was originally classified in the genus CAMPYLOBACTER, but RNA sequencing, cellular fatty acid profiles, growth patterns, and other taxonomic characteristics indicate that the micro-organism should be included in the genus HELICOBACTER. It has been officially transferred to Helicobacter gen. nov. (see Int J Syst Bacteriol 1989 Oct;39(4):297-405).
Infection by round worms of the genus TOXOCARA, usually found in wild and domesticated cats and dogs and foxes, except for the larvae, which may produce visceral and ocular larva migrans in man.
Short filamentous organism of the genus Mycoplasma, which binds firmly to the cells of the respiratory epithelium. It is one of the etiologic agents of non-viral primary atypical pneumonia in man.
Infection with the protozoan parasite TRYPANOSOMA CRUZI, a form of TRYPANOSOMIASIS endemic in Central and South America. It is named after the Brazilian physician Carlos Chagas, who discovered the parasite. Infection by the parasite (positive serologic result only) is distinguished from the clinical manifestations that develop years later, such as destruction of PARASYMPATHETIC GANGLIA; CHAGAS CARDIOMYOPATHY; and dysfunction of the ESOPHAGUS or COLON.
Infections with organisms of the genus HELICOBACTER, particularly, in humans, HELICOBACTER PYLORI. The clinical manifestations are focused in the stomach, usually the gastric mucosa and antrum, and the upper duodenum. This infection plays a major role in the pathogenesis of type B gastritis and peptic ulcer disease.
Serologic tests based on inactivation of complement by the antigen-antibody complex (stage 1). Binding of free complement can be visualized by addition of a second antigen-antibody system such as red cells and appropriate red cell antibody (hemolysin) requiring complement for its completion (stage 2). Failure of the red cells to lyse indicates that a specific antigen-antibody reaction has taken place in stage 1. If red cells lyse, free complement is present indicating no antigen-antibody reaction occurred in stage 1.
A malabsorption syndrome that is precipitated by the ingestion of foods containing GLUTEN, such as wheat, rye, and barley. It is characterized by INFLAMMATION of the SMALL INTESTINE, loss of MICROVILLI structure, failed INTESTINAL ABSORPTION, and MALNUTRITION.
The causative agent of venereal and non-venereal syphilis as well as yaws.
A species of CHLAMYDOPHILA that causes acute respiratory infection, especially atypical pneumonia, in humans, horses, and koalas.
Immunoglobulins produced in a response to HELMINTH ANTIGENS.
The agent of South American trypanosomiasis or CHAGAS DISEASE. Its vertebrate hosts are man and various domestic and wild animals. Insects of several species are vectors.
A genus of ascarid nematodes commonly parasitic in the intestines of cats and dogs.
Immunoglobulins produced in a response to PROTOZOAN ANTIGENS.
Substances elaborated by bacteria that have antigenic activity.
Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (From Stedman, 26th ed)
A species of gram-negative bacteria that is the etiologic agent of bacillary angiomatosis (ANGIOMATOSIS, BACILLARY). This organism can also be a cause of CAT-SCRATCH DISEASE in immunocompetent patients.
Infections with bacteria of the genus LEPTOSPIRA.
A respiratory infection caused by BORDETELLA PERTUSSIS and characterized by paroxysmal coughing ending in a prolonged crowing intake of breath.
Sensitive tests to measure certain antigens, antibodies, or viruses, using their ability to agglutinate certain erythrocytes. (From Stedman, 26th ed)
A species of parasitic nematode found in the intestine of dogs. Lesions in the brain, liver, eye, kidney, and lung are caused by migrating larvae. In humans, these larvae do not follow normal patterns and may produce visceral larva migrans (LARVA MIGRANS, VISCERAL).
Transglutaminases catalyze cross-linking of proteins at a GLUTAMINE in one chain with LYSINE in another chain. They include keratinocyte transglutaminase (TGM1 or TGK), tissue transglutaminase (TGM2 or TGC), plasma transglutaminase involved with coagulation (FACTOR XIII and FACTOR XIIIa), hair follicle transglutaminase, and prostate transglutaminase. Although structures differ, they share an active site (YGQCW) and strict CALCIUM dependence.
An infection caused by the infestation of the larval form of tapeworms of the genus Echinococcus. The liver, lungs, and kidney are the most common areas of infestation.
The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.
Represents 15-20% of the human serum immunoglobulins, mostly as the 4-chain polymer in humans or dimer in other mammals. Secretory IgA (IMMUNOGLOBULIN A, SECRETORY) is the main immunoglobulin in secretions.
A species of gram-negative bacteria that grows preferentially in the vacuoles of the host cell. It is the etiological agent of Q FEVER.
A form of fluorescent antibody technique commonly used to detect serum antibodies and immune complexes in tissues and microorganisms in specimens from patients with infectious diseases. The technique involves formation of an antigen-antibody complex which is labeled with fluorescein-conjugated anti-immunoglobulin antibody. (From Bennington, Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)
An acute infectious disease caused by COXIELLA BURNETII. It is characterized by a sudden onset of FEVER; HEADACHE; malaise; and weakness. In humans, it is commonly contracted by inhalation of infected dusts derived from infected domestic animals (ANIMALS, DOMESTIC).
Positive test results in subjects who do not possess the attribute for which the test is conducted. The labeling of healthy persons as diseased when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed)
A species of hydatid tapeworm (class CESTODA) in the family Taeniidae, whose adult form infects the DIGESTIVE TRACT of DOGS, other canines, and CATS. The larval form infects SHEEP; PIGS; HORSES; and may infect humans, where it migrates to various organs and forms permanent HYDATID CYSTS.
Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, CLINICAL TRIALS AS TOPIC; DRUG EVALUATION; and DRUG EVALUATION, PRECLINICAL are available.
A genus of aerobic, helical spirochetes, some species of which are pathogenic, others free-living or saprophytic.
Infections with bacteria of the genus CHLAMYDOPHILA.
Infections with bacteria of the genus CHLAMYDIA.
A diet which is devoid of GLUTENS from WHEAT; BARLEY; RYE; and other wheat-related varieties. The diet is designed to reduce exposure to those proteins in gluten that trigger INFLAMMATION of the small intestinal mucosa in patients with CELIAC DISEASE.
Process of determining and distinguishing species of bacteria or viruses based on antigens they share.
Infection caused by bacteria of the genus BRUCELLA mainly involving the MONONUCLEAR PHAGOCYTE SYSTEM. This condition is characterized by fever, weakness, malaise, and weight loss.
Commercially prepared reagent sets, with accessory devices, containing all of the major components and literature necessary to perform one or more designated diagnostic tests or procedures. They may be for laboratory or personal use.
A parasitic hemoflagellate of the subgenus Leishmania leishmania that infects man and animals and causes visceral leishmaniasis (LEISHMANIASIS, VISCERAL). Human infections are confined almost entirely to children. This parasite is commonly seen in dogs, other Canidae, and porcupines with humans considered only an accidental host. Transmission is by Phlebotomus sandflies.
The study of parasites and PARASITIC DISEASES.
Infection with CYTOMEGALOVIRUS, characterized by enlarged cells bearing intranuclear inclusions. Infection may be in almost any organ, but the salivary glands are the most common site in children, as are the lungs in adults.
Subacute inflammation of the inguinal lymph glands caused by certain immunotypes of CHLAMYDIA TRACHOMATIS. It is a sexually transmitted disease in the U.S. but is more widespread in developing countries. It is distinguished from granuloma venereum (see GRANULOMA INGUINALE), which is caused by Calymmatobacterium granulomatis.
Any tests done on exhaled air.
Removal and pathologic examination of specimens in the form of small pieces of tissue from the living body.
A species of gram-negative, aerobic bacteria that is the causative agent of WHOOPING COUGH. Its cells are minute coccobacilli that are surrounded by a slime sheath.
The study of the structure, growth, function, genetics, and reproduction of viruses, and VIRUS DISEASES.
Liver disease caused by infections with parasitic tapeworms of the genus ECHINOCOCCUS, such as Echinococcus granulosus or Echinococcus multilocularis. Ingested Echinococcus ova burrow into the intestinal mucosa. The larval migration to the liver via the PORTAL VEIN leads to watery vesicles (HYDATID CYST).
Techniques used in studying bacteria.
Immunologic techniques based on the use of: (1) enzyme-antibody conjugates; (2) enzyme-antigen conjugates; (3) antienzyme antibody followed by its homologous enzyme; or (4) enzyme-antienzyme complexes. These are used histologically for visualizing or labeling tissue specimens.
Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS.
Infection of the genitals (GENITALIA) with HERPES SIMPLEX VIRUS in either the males or the females.
Serological reactions in which an antiserum against one antigen reacts with a non-identical but closely related antigen.
A species of SIMPLEXVIRUS associated with genital infections (HERPES GENITALIS). It is transmitted by sexual intercourse and close personal contact.
A disease of the CARDIAC MUSCLE developed subsequent to the initial protozoan infection by TRYPANOSOMA CRUZI. After infection, less than 10% develop acute illness such as MYOCARDITIS (mostly in children). The disease then enters a latent phase without clinical symptoms until about 20 years later. Myocardial symptoms of advanced CHAGAS DISEASE include conduction defects (HEART BLOCK) and CARDIOMEGALY.
Diseases of the domestic dog (Canis familiaris). This term does not include diseases of wild dogs, WOLVES; FOXES; and other Canidae for which the heading CARNIVORA is used.
Simple protein, one of the prolamines, derived from the gluten of wheat, rye, etc. May be separated into 4 discrete electrophoretic fractions. It is the toxic factor associated with CELIAC DISEASE.
INFLAMMATION of the LIVER in humans caused by a member of the ORTHOHEPADNAVIRUS genus, HEPATITIS B VIRUS. It is primarily transmitted by parenteral exposure, such as transfusion of contaminated blood or blood products, but can also be transmitted via sexual or intimate personal contact.
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
Substances elaborated by viruses that have antigenic activity.
An infectious disease caused by a spirochete, BORRELIA BURGDORFERI, which is transmitted chiefly by Ixodes dammini (see IXODES) and pacificus ticks in the United States and Ixodes ricinis (see IXODES) in Europe. It is a disease with early and late cutaneous manifestations plus involvement of the nervous system, heart, eye, and joints in variable combinations. The disease was formerly known as Lyme arthritis and first discovered at Old Lyme, Connecticut.
Antibodies to the HEPATITIS B ANTIGENS, including antibodies to the surface (Australia) and core of the Dane particle and those to the "e" antigens.
An infant during the first month after birth.
Infection with nematodes of the genus STRONGYLOIDES. The presence of larvae may produce pneumonitis and the presence of adult worms in the intestine could lead to moderate to severe diarrhea.
A lesion on the surface of the skin or a mucous surface, produced by the sloughing of inflammatory necrotic tissue.
Infections by the genus BARTONELLA. Bartonella bacilliformis can cause acute febrile anemia, designated Oroya fever, and a benign skin eruption, called verruga peruana. BARTONELLA QUINTANA causes TRENCH FEVER, while BARTONELLA HENSELAE is the etiologic agent of bacillary angiomatosis (ANGIOMATOSIS, BACILLARY) and is also one of the causes of CAT-SCRATCH DISEASE in immunocompetent patients.
Infection with a fungus of the genus COCCIDIOIDES, endemic to the SOUTHWESTERN UNITED STATES. It is sometimes called valley fever but should not be confused with RIFT VALLEY FEVER. Infection is caused by inhalation of airborne, fungal particles known as arthroconidia, a form of FUNGAL SPORES. A primary form is an acute, benign, self-limited respiratory infection. A secondary form is a virulent, severe, chronic, progressive granulomatous disease with systemic involvement. It can be detected by use of COCCIDIOIDIN.
A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary hosts include CATTLE and SWINE.
A technique using antibodies for identifying or quantifying a substance. Usually the substance being studied serves as antigen both in antibody production and in measurement of antibody by the test substance.
The acquired form of infection by Toxoplasma gondii in animals and man.
Infections of the BRAIN; SPINAL CORD; or MENINGES caused by HELMINTHS (parasitic worms).
Helminth infection of the lung caused by Echinococcus granulosus or Echinococcus multilocularis.
A common, acute infection usually caused by the Epstein-Barr virus (HERPESVIRUS 4, HUMAN). There is an increase in mononuclear white blood cells and other atypical lymphocytes, generalized lymphadenopathy, splenomegaly, and occasionally hepatomegaly with hepatitis.
Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy.
Deoxyribonucleic acid that makes up the genetic material of viruses.
GASTRITIS with atrophy of the GASTRIC MUCOSA, the GASTRIC PARIETAL CELLS, and the mucosal glands leading to ACHLORHYDRIA. Atrophic gastritis usually progresses from chronic gastritis.
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
Infection with CHLAMYDOPHILA PSITTACI (formerly Chlamydia psittaci), transmitted to humans by inhalation of dust-borne contaminated nasal secretions or excreta of infected BIRDS. This infection results in a febrile illness characterized by PNEUMONITIS and systemic manifestations.
Immunologic techniques involved in diagnosis.
A genus of the family HERPESVIRIDAE, subfamily BETAHERPESVIRINAE, infecting the salivary glands, liver, spleen, lungs, eyes, and other organs, in which they produce characteristically enlarged cells with intranuclear inclusions. Infection with Cytomegalovirus is also seen as an opportunistic infection in AIDS.
A chronic disease caused by LEISHMANIA DONOVANI and transmitted by the bite of several sandflies of the genera Phlebotomus and Lutzomyia. It is commonly characterized by fever, chills, vomiting, anemia, hepatosplenomegaly, leukopenia, hypergammaglobulinemia, emaciation, and an earth-gray color of the skin. The disease is classified into three main types according to geographic distribution: Indian, Mediterranean (or infantile), and African.
Impaired digestion, especially after eating.
Endoscopic examination, therapy or surgery of the interior of the stomach.
A compound that, along with its isomer, Cleland's reagent (DITHIOTHREITOL), is used for the protection of sulfhydryl groups against oxidation to disulfides and for the reduction of disulfides to sulfhydryl groups.
An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.
The type species of ERYTHROVIRUS and the etiological agent of ERYTHEMA INFECTIOSUM, a disease most commonly seen in school-age children.
A genus of protozoa parasitic to birds and mammals. T. gondii is one of the most common infectious pathogenic animal parasites of man.
Prenatal protozoal infection with TOXOPLASMA gondii which is associated with injury to the developing fetal nervous system. The severity of this condition is related to the stage of pregnancy during which the infection occurs; first trimester infections are associated with a greater degree of neurologic dysfunction. Clinical features include HYDROCEPHALUS; MICROCEPHALY; deafness; cerebral calcifications; SEIZURES; and psychomotor retardation. Signs of a systemic infection may also be present at birth, including fever, rash, and hepatosplenomegaly. (From Adams et al., Principles of Neurology, 6th ed, p735)
Infection with human herpesvirus 4 (HERPESVIRUS 4, HUMAN); which may facilitate the development of various lymphoproliferative disorders. These include BURKITT LYMPHOMA (African type), INFECTIOUS MONONUCLEOSIS, and oral hairy leukoplakia (LEUKOPLAKIA, HAIRY).
A species of gram-positive, aerobic bacteria that causes LEPROSY in man. Its organisms are generally arranged in clumps, rounded masses, or in groups of bacilli side by side.
Single or multiple areas of PUS due to infection by any ameboid protozoa (AMEBIASIS). A common form is caused by the ingestion of ENTAMOEBA HISTOLYTICA.
A genus of very small TAPEWORMS, in the family Taeniidae. The adult form is found in various CARNIVORA but not humans. The larval form is seen in humans under certain epidemiologic circumstances.
Species of tapeworm in the genus TAENIA, that infects swine. It is acquired by humans through the ingestion of cured or undercooked pork.
A nitrofuran thiazine that has been used against TRYPANOSOMIASIS.
Studies which start with the identification of persons with a disease of interest and a control (comparison, referent) group without the disease. The relationship of an attribute to the disease is examined by comparing diseased and non-diseased persons with regard to the frequency or levels of the attribute in each group.
A self-limiting bacterial infection of the regional lymph nodes caused by AFIPIA felis, a gram-negative bacterium recently identified by the Centers for Disease Control and Prevention and by BARTONELLA HENSELAE. It usually arises one or more weeks following a feline scratch, with raised inflammatory nodules at the site of the scratch being the primary symptom.
A form of fluorescent antibody technique utilizing a fluorochrome conjugated to an antibody, which is added directly to a tissue or cell suspension for the detection of a specific antigen. (Bennington, Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)
Virus infections caused by the PARVOVIRIDAE.
The procedure established to evaluate the health status and risk factors of the potential DONORS of biological materials. Donors are selected based on the principles that their health will not be compromised in the process, and the donated materials, such as TISSUES or organs, are safe for reuse in the recipients.
Premature expulsion of the FETUS in animals.
Techniques used to carry out clinical investigative procedures in the diagnosis and therapy of disease.
Deoxyribonucleic acid that makes up the genetic material of bacteria.
INFLAMMATION of the LIVER in humans caused by HEPATITIS C VIRUS, a single-stranded RNA virus. Its incubation period is 30-90 days. Hepatitis C is transmitted primarily by contaminated blood parenterally, and is often associated with transfusion and intravenous drug abuse. However, in a significant number of cases, the source of hepatitis C infection is unknown.
The co-occurrence of pregnancy and an INFECTION. The infection may precede or follow FERTILIZATION.
Ulcer that occurs in the regions of the GASTROINTESTINAL TRACT which come into contact with GASTRIC JUICE containing PEPSIN and GASTRIC ACID. It occurs when there are defects in the MUCOSA barrier. The common forms of peptic ulcers are associated with HELICOBACTER PYLORI and the consumption of nonsteroidal anti-inflammatory drugs (NSAIDS).
The constant presence of diseases or infectious agents within a given geographic area or population group. It may also refer to the usual prevalence of a given disease with such area or group. It includes holoendemic and hyperendemic diseases. A holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). A hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. (Last, A Dictionary of Epidemiology, 3d ed, p53, 78, 80)
Infections of the central nervous system caused by TREPONEMA PALLIDUM which present with a variety of clinical syndromes. The initial phase of infection usually causes a mild or asymptomatic meningeal reaction. The meningovascular form may present acutely as BRAIN INFARCTION. The infection may also remain subclinical for several years. Late syndromes include general paresis; TABES DORSALIS; meningeal syphilis; syphilitic OPTIC ATROPHY; and spinal syphilis. General paresis is characterized by progressive DEMENTIA; DYSARTHRIA; TREMOR; MYOCLONUS; SEIZURES; and Argyll-Robertson pupils. (Adams et al., Principles of Neurology, 6th ed, pp722-8)
The type species of LYMPHOCRYPTOVIRUS, subfamily GAMMAHERPESVIRINAE, infecting B-cells in humans. It is thought to be the causative agent of INFECTIOUS MONONUCLEOSIS and is strongly associated with oral hairy leukoplakia (LEUKOPLAKIA, HAIRY;), BURKITT LYMPHOMA; and other malignancies.
In screening and diagnostic tests, the probability that a person with a positive test is a true positive (i.e., has the disease), is referred to as the predictive value of a positive test; whereas, the predictive value of a negative test is the probability that the person with a negative test does not have the disease. Predictive value is related to the sensitivity and specificity of the test.
Those hepatitis B antigens found on the surface of the Dane particle and on the 20 nm spherical and tubular particles. Several subspecificities of the surface antigen are known. These were formerly called the Australia antigen.
Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
A genus of parasitic nematodes widely distributed as intestinal parasites of mammals.
A species of parasitic nematode widely distributed in tropical and subtropical countries. The females and their larvae inhabit the mucosa of the intestinal tract, where they cause ulceration and diarrhea.
Diseases of Old World and New World monkeys. This term includes diseases of baboons but not of chimpanzees or gorillas (= APE DISEASES).
A general term for diseases produced by viruses.
Inflammation of the lung parenchyma that is caused by bacterial infections.
The type (and only) species of RUBIVIRUS causing acute infection in humans, primarily children and young adults. Humans are the only natural host. A live, attenuated vaccine is available for prophylaxis.
A strain of PRIMATE T-LYMPHOTROPIC VIRUS 3 that is genetically similar to STLV-3.
Includes the spectrum of human immunodeficiency virus infections that range from asymptomatic seropositivity, thru AIDS-related complex (ARC), to acquired immunodeficiency syndrome (AIDS).
A genus of gram-negative, aerobic bacteria that causes BRUCELLOSIS. Its cells are nonmotile coccobacilli and are animal parasites and pathogens. The bacterium is transmissible to humans through contact with infected dairy products or tissue.
Serologic tests in which a known quantity of antigen is added to the serum prior to the addition of a red cell suspension. Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination.
Antibodies, especially IGE, that bind to tissue of the same species so that ANTIGENS induce release of HISTAMINE and other vasoactive agents. HYPERSENSITIVITY is the clinical manifestation.
A chronic granulomatous infection caused by MYCOBACTERIUM LEPRAE. The granulomatous lesions are manifested in the skin, the mucous membranes, and the peripheral nerves. Two polar or principal types are lepromatous and tuberculoid.
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
An acute infectious disease caused by the RUBELLA VIRUS. The virus enters the respiratory tract via airborne droplet and spreads to the LYMPHATIC SYSTEM.
Disease having a short and relatively severe course.
Diseases of domestic and mountain sheep of the genus Ovis.
Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus.
Incorrect diagnoses after clinical examination or technical diagnostic procedures.
Procedures for collecting, preserving, and transporting of specimens sufficiently stable to provide accurate and precise results suitable for clinical interpretation.
Identification of the major histocompatibility antigens of transplant DONORS and potential recipients, usually by serological tests. Donor and recipient pairs should be of identical ABO blood group, and in addition should be matched as closely as possible for HISTOCOMPATIBILITY ANTIGENS in order to minimize the likelihood of allograft rejection. (King, Dictionary of Genetics, 4th ed)
Animate or inanimate sources which normally harbor disease-causing organisms and thus serve as potential sources of disease outbreaks. Reservoirs are distinguished from vectors (DISEASE VECTORS) and carriers, which are agents of disease transmission rather than continuing sources of potential disease outbreaks.
A north temperate species of tapeworm (CESTODA) whose adult form infects FOXES and wild RODENTS. The larval form can infect humans producing HEPATIC HYDATID CYSTS.
Agents destructive to parasitic worms. They are used therapeutically in the treatment of HELMINTHIASIS in man and animal.
Antibodies specific to STREPTOLYSINS which indicate STREPTOCOCCAL INFECTIONS.
The top portion of the pharynx situated posterior to the nose and superior to the SOFT PALATE. The nasopharynx is the posterior extension of the nasal cavities and has a respiratory function.
Agglutination of ERYTHROCYTES by a virus.
Type species of CHLAMYDIA causing a variety of ocular and urogenital diseases.
Deoxyribonucleic acid that makes up the genetic material of protozoa.
Any part or derivative of a helminth that elicits an immune reaction. The most commonly seen helminth antigens are those of the schistosomes.
Syphilis acquired in utero and manifested by any of several characteristic tooth (Hutchinson's teeth) or bone malformations and by active mucocutaneous syphilis at birth or shortly thereafter. Ocular and neurologic changes may also occur.
Development of neutralizing antibodies in individuals who have been exposed to the human immunodeficiency virus (HIV/HTLV-III/LAV).
A suspension of killed Bordetella pertussis organisms, used for immunization against pertussis (WHOOPING COUGH). It is generally used in a mixture with diphtheria and tetanus toxoids (DTP). There is an acellular pertussis vaccine prepared from the purified antigenic components of Bordetella pertussis, which causes fewer adverse reactions than whole-cell vaccine and, like the whole-cell vaccine, is generally used in a mixture with diphtheria and tetanus toxoids. (From Dorland, 28th ed)
Infections by the genus RICKETTSIA.
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
An acute febrile disease transmitted by the bite of AEDES mosquitoes infected with DENGUE VIRUS. It is self-limiting and characterized by fever, myalgia, headache, and rash. SEVERE DENGUE is a more virulent form of dengue.
Semisynthetic antibiotic prepared by combining the sodium salt of penicillin G with N,N'-dibenzylethylenediamine.
A systemic non-venereal infection of the tropics caused by TREPONEMA PALLIDUM subspecies pertenue.
Negative test results in subjects who possess the attribute for which the test is conducted. The labeling of diseased persons as healthy when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed)
Elements of limited time intervals, contributing to particular results or situations.
A tick-borne disease characterized by FEVER; HEADACHE; myalgias; ANOREXIA; and occasionally RASH. It is caused by several bacterial species and can produce disease in DOGS; CATTLE; SHEEP; GOATS; HORSES; and humans. The primary species causing human disease are EHRLICHIA CHAFFEENSIS; ANAPLASMA PHAGOCYTOPHILUM; and Ehrlichia ewingii.
Infection of the brain, spinal cord, or perimeningeal structures with the larval forms of the genus TAENIA (primarily T. solium in humans). Lesions formed by the organism are referred to as cysticerci. The infection may be subacute or chronic, and the severity of symptoms depends on the severity of the host immune response and the location and number of lesions. SEIZURES represent the most common clinical manifestation although focal neurologic deficits may occur. (From Joynt, Clinical Neurology, 1998, Ch27, pp46-50)
Any compound containing one or more monosaccharide residues bound by a glycosidic linkage to a hydrophobic moiety such as an acylglycerol (see GLYCERIDES), a sphingoid, a ceramide (CERAMIDES) (N-acylsphingoid) or a prenyl phosphate. (From IUPAC's webpage)
Minute infectious agents whose genomes are composed of DNA or RNA, but not both. They are characterized by a lack of independent metabolism and the inability to replicate outside living host cells.
Endoscopic examination, therapy or surgery of the gastrointestinal tract.
A deep type of gyrate erythema that follows a bite by an ixodid tick; it is a stage-1 manifestation of LYME DISEASE. The site of the bite is characterized by a red papule that expands peripherally as a nonscaling, palpable band that clears centrally. This condition is often associated with systemic symptoms such as chills, fever, headache, malaise, nausea, vomiting, fatigue, backache, and stiff neck.
Neoplasms of the skin and mucous membranes caused by papillomaviruses. They are usually benign but some have a high risk for malignant progression.
Inflammation of the GASTRIC MUCOSA, a lesion observed in a number of unrelated disorders.
Pathological processes involving the male reproductive tract (GENITALIA, MALE).
Immunoglobulins produced in a response to FUNGAL ANTIGENS.
Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care. (Dictionary of Health Services Management, 2d ed)
The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065)
Agents destructive to the protozoal organisms belonging to the suborder TRYPANOSOMATINA.
A benzimidazole broad-spectrum anthelmintic structurally related to MEBENDAZOLE that is effective against many diseases. (From Martindale, The Extra Pharmacopoeia, 30th ed, p38)
A species of gram-negative bacteria in which man is the primary host and the human body louse, Pediculus humanus, the principal vector. It is the etiological agent of TRENCH FEVER.
Any part or derivative of any protozoan that elicits immunity; malaria (Plasmodium) and trypanosome antigens are presently the most frequently encountered.
Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics.
Opportunistic infections found in patients who test positive for human immunodeficiency virus (HIV). The most common include PNEUMOCYSTIS PNEUMONIA, Kaposi's sarcoma, cryptosporidiosis, herpes simplex, toxoplasmosis, cryptococcosis, and infections with Mycobacterium avium complex, Microsporidium, and Cytomegalovirus.
Gram-negative helical bacteria, in the genus BORRELIA, that are the etiologic agents of LYME DISEASE. The group comprises many specific species including Borrelia afzelii, Borellia garinii, and BORRELIA BURGDORFERI proper. These spirochetes are generally transmitted by several species of ixodid ticks.
Contagious infection with human B19 Parvovirus most commonly seen in school age children and characterized by fever, headache, and rashes of the face, trunk, and extremities. It is often confused with rubella.
Strains of PRIMATE T-LYMPHOTROPIC VIRUS 3 isolated from diverse primate species.
Technique involving the diffusion of antigen or antibody through a semisolid medium, usually agar or agarose gel, with the result being a precipitin reaction.
The transmission of infectious disease or pathogens from one generation to another. It includes transmission in utero or intrapartum by exposure to blood and secretions, and postpartum exposure via breastfeeding.
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
An enzyme that catalyzes the conversion of urea and water to carbon dioxide and ammonia. EC 3.5.1.5.
Inflammation of the lung parenchyma that is caused by a viral infection.
The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site.
A group of acute infections caused by herpes simplex virus type 1 or type 2 that is characterized by the development of one or more small fluid-filled vesicles with a raised erythematous base on the skin or mucous membrane. It occurs as a primary infection or recurs due to a reactivation of a latent infection. (Dorland, 27th ed.)
Arthritis caused by BACTERIA; RICKETTSIA; MYCOPLASMA; VIRUSES; FUNGI; or PARASITES.
Substances that reduce the growth or reproduction of BACTERIA.
An idiopathic disorder characterized by the loss of filiform papillae leaving reddened areas of circinate macules bound by a white band. The lesions heal, then others erupt.
Diseases of domestic swine and of the wild boar of the genus Sus.
Diseases of non-human animals that may be transmitted to HUMANS or may be transmitted from humans to non-human animals.

Structural and serological studies on the O-antigen of Proteus mirabilis O14, a new polysaccharide containing 2-[(R)-1-carboxyethylamino]ethyl phosphate. (1/105)

An O-specific polysaccharide was obtained by mild acid degradation of Proteus mirabilis O14 lipopolysaccharide (LPS) and found to contain D-galactose, 2-acetamido-2-deoxy-D-glalactose, phosphate, N-(2-hydroxyethyl)-D-alanine (D-AlaEtn), and O-acetyl groups. Studies of the initial and O-deacetylated polysaccharides using one- and two-dimensional 1H- and 13C-NMR spectroscopy, including COSY, TOCSY, NOESY, H-detected 1H,13C heteronuclear multiple-quantum coherence, and heteronuclear multiple-bond correlation experiments, demonstrated the following structure of the repeating unit: [equation: see text] This is the second bacterial polysaccharide reported to contain alpha-D-Galp6PAlaEtn, whereas the first one was the O-antigen of P. mirabilis EU313 taken erroneously as strain PrK 6/57 from the O3 serogroup [Vinogradov, E. V., Kaca, W., Shashkov, A.S., Krajewska-Pietrasik, D., Rozalski, A., Knirel, Y.A. & Kochetkov, N.K. (1990) Eur. J. Biochem., 188, 645-651]. Anti-(P. mirabilis O14) serum cross-reacted with LPS of P. mirabilis EU313 and vice versa in passive hemolysis and ELISA. Absorption of both O-antisera with the heterologous LPS decreased markedly but did not abolish the reaction with the homologous LPS. These and chemical data indicated that both strains have similar but not identical O-antigens. Therefore, we propose that P. mirabilis EU313 should belong to a new subgroup of the O14 serogroup.  (+info)

Structure of the O-specific polysaccharide of a serologically separate strain Proteus penneri 2 from a new proposed serogroup O66. (2/105)

O-specific polysaccharide chain of Proteus penneri strain 2 lipopolysaccharide was studied by full and partial acid hydrolysis, Smith degradation, methylation analysis, and NMR spectroscopy, including two-dimensional rotating-frame NOE spectroscopy (ROESY) and 1H,13C heteronuclear multiple-quantum coherence (HMQC) experiments. Together with D-glucose and 2-acetamido-2-deoxy-D-glucose, the polysaccharide was found to contain two rarely occurring sugars, 6-deoxy-L-talose (L-6dTal) and 2,3-diacetamido-2,3,6-trideoxy-L-mannose (L-RhaNAc3NAc), and the following structure of a non-stoichiometrically O-acetylated tetrasaccharide repeating unit was established: [equation: see text] The O-specific polysaccharide studied has a unique composition and structure and, accordingly, P. penneri 2 is serologically separate among Proteus strains. Therefore, we propose for P. penneri 2 a new Proteus O-serogroup O66 where this strain is at present the single representative.  (+info)

Hypermutation in pathogenic bacteria: frequent phase variation in meningococci is a phenotypic trait of a specialized mutator biotype. (3/105)

Expression of serogroup B meningococcal capsular polysaccharide undergoes frequent phase variation involving reversible frameshift mutations within a homopolymeric repeat in the siaD gene. A high rate of phase variation is the consequence of a biochemical defect in methyl-directed mismatch repair. The mutator phenotype is associated to the absence of DNA adenine methyltransferase (Dam) activity in all pathogenic isolates and in 50% of commensal strains. Analysis of the meningococcal dam gene region revealed that in all Dam- strains a gene encoding a putative restriction endonuclease (drg) that cleaves only the methylated DNA sequence 5'-GmeATC-3' replaced the dam gene. Insertional inactivation of the dam and/or drg genes indicated that high rates of phase variation and hypermutator phenotype are caused by absence of a functional dam gene.  (+info)

Protein GRAB of streptococcus pyogenes regulates proteolysis at the bacterial surface by binding alpha2-macroglobulin. (4/105)

In the molecular interplay between pathogenic microorganisms and their host, proteolytic mechanisms are believed to play a crucial role. Here we find that the important human pathogen Streptococcus pyogenes (group A Streptococcus) expresses a surface protein with high affinity (Ka = 2.0 x 10(8) M-1) for alpha2-macroglobulin (alpha2M), the dominating proteinase inhibitor of human plasma. The immunoglobulin-binding protein G of group C and G streptococci also contains an alpha2M-binding domain and a gene encoding protein GRAB (protein G-related alpha2M-binding protein) was identified in the S. pyogenes Genome Sequencing data base. The grab gene is present in most S. pyogenes strains and is well conserved. Protein GRAB has typical features of a surface-attached protein of Gram-positive bacteria. It also contains a region homologous to parts of the alpha2M-binding domain of protein G and a variable number of a unique 28-amino acid-long repeat. Using Escherichia coli-produced protein GRAB and synthetic GRAB peptides, the alpha2M-binding region was mapped to the NH2-terminal part of protein GRAB, which is the region with homology to protein G. An isogenic S. pyogenes mutant lacking surface-associated protein GRAB showed no alpha2M binding activity and was attenuated in virulence when injected intraperitoneally in mice. Finally, alpha2M bound to the bacterial surface via protein GRAB was found to entrap and inhibit the activity of both S. pyogenes and host proteinases, thereby protecting important virulence determinants from proteolytic degradation. This regulation of proteolytic activity at the bacterial surface should affect the host-microbe relation during S. pyogenes infections.  (+info)

A low rate of nucleotide changes in Escherichia coli K-12 estimated from a comparison of the genome sequences between two different substrains. (5/105)

Two genome sequences of Escherichia coli K-12 substrains, one partial W3110 and one complete MG1655, have been determined by Japanese and American genome projects, respectively. In order to estimate the rate of nucleotide changes, we directly compared 2 Mb of the nucleotide sequences from these closely-related E. coli substrains. Given that the two substrains separated about 40 years ago, the rate of nucleotide changes was estimated to be less than 10(-7) per site per year. This rate was supported by a further comparison between partial genome sequences of E. coli and Shigella flexneri.  (+info)

The routine serological investigation of cases and contacts of rubella. (6/105)

The results of testing sera from 111 patients with rubella-like illnesses and 283 contacts of patients with rubella-like illnesses are described. A sensitive haemagglutination-inhibition test was used in conjunction with fractionation of serum proteins when this was indicated. It was concluded that the testing of serum protein fractions for IgM and IgG rubella antibody greatly increased the effectiveness of laboratory diagnosis. Evidence is presented that during the study period subclinical rubella was relatively uncommon in adults and that the accuracy of clinical diagnosis was high.  (+info)

First episodes of genital herpes in a Swedish STD population: a study of epidemiology and transmission by the use of herpes simplex virus (HSV) typing and specific serology. (7/105)

OBJECTIVES: To determine the proportion of herpes simplex virus type 1 (HSV-1) and HSV type 2 (HSV-2) in first episodes of genital herpes. To evaluate the use of HSV specific serology for classifying first episodes of genital herpes and for defining HSV serostatus in the patients' sexual partners. METHODS: 108 consecutive patients with first episodes of genital herpes seen at three STD clinics in Sweden from 1995 to 1999 were included in the study. HSV culture and typing were performed and serum was tested for antibodies against a type common HSV antigen and a type specific HSV-2 antigen, glycoprotein G2 (gG2). A structured interview including questions about sexual behaviour and sexual partners was taken. "Steady" partners were offered a blood test for HSV serology and counselling. RESULTS: Of 108 patients, 11 had a negative HSV culture. Of the 97 who were HSV culture positive, 44% (43/97) were typed as HSV-1 and 56% (54/97) as HSV-2. For 86 of these 97 patients, HSV serology from the initial visit was available. Of 52 primary infections, thus initially seronegative, 64% were HSV-1 infections and of 19 female primary infections 16 (84%) were HSV-1. In 17% the first episode of genital herpes corresponded to the first clinical recurrence of an infection acquired earlier in life. There was a significant correlation between having orogenital sex and being infected with HSV-1 and also a history of labial herpes in the partner. Only 20% of partners of patients with an HSV-2 infection had a history of genital herpes. CONCLUSIONS: Almost half of first episodes of genital herpes are caused by HSV-1. In young women with a primary genital infection, HSV-1 is much more frequent than HSV-2. Besides HSV typing, we found specific HSV serology of value for classifying first episodes and for diagnosing a subclinical HSV-2 infection in partners. Anamnestic data supported the suggestion that the orogenital route of transmission was common in genital HSV-1 infections.  (+info)

Autoantibodies in childhood connective tissue diseases and in normal children. (8/105)

The prevalence of nine serum autoantibodies has been studied in 117 children with various connective tissue disorders and in 134 normal controls. In juvenile rheumatoid arthritis rheumatoid factor was present in 5%, and antinuclear factor in 4%, compared with an incidence of 4% and 0% respectively in controls. In Henoch-Schonlein purpura there was little evidence of associated autoimmune disorder. Gastric parietal cell and thyroid microsomal antibodies were found in 9% and 10% of our control population, but the significance of this is not clear. It is concluded that in children the presence or absence of autoantibodies as diagnostic criteria should be interpreted with the greatest caution.  (+info)

Principal Investigator:MIYAZAKI Chiaki, Project Period (FY):1989 - 1991, Research Category:Grant-in-Aid for General Scientific Research (C), Research Field:Pediatrics
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Serology: the study or examination of blood serum, with regard to the response of the immune system to pathogens or newly introduced substances.
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Virologic and Serologic Studies on Infectious Mononucleosis-like Disease in Children, with Special Reference to Cytomegalovirus, Epstein-Barr Virus and Adenovirus Infections (1974 ...
The new INTEGRA PIPETBOY pro pipetting aid unites all essential characteristics for productive work with serological pipettes: accuracy, speed and comfort.
Immunology is the study of the bodys immune system and its functions and disorders. Serology is the study of blood serum (the clear fluid that separates when blood clots).. Immunology and serology laboratories focus on the following:. ...
Immunology is the study of the bodys immune system and its functions and disorders. Serology is the study of blood serum (the clear fluid that separates when blood clots).. Immunology and serology laboratories focus on the following:. ...
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During the last weekend of March 2020, several of my department colleagues decided that we could use our combined expertise to rapidly develop serology assays to detect SARS-CoV-2
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Hi there, Im trying to capture a part of my screen as movie. From other sites Ive found this: Code: ffmpeg -f x11grab -s wxga -r 25 -i :0.0 -sameq
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Im a bit of a noob to all this tuning thing, just got a FN2 about 3 months ago, (loving it, having come from a Peugeot 307 Diesel!!) , its completely stock, and i am going to get a flashpro for it, I have installed the flashpro manager on my PC, under FN2 there looks like there is two options for stock stock equivalent and Group N. Does the stock equivalent have the launch control, adjusted VTEC point and increased rev limit or is that only on the Group N Calibration ...
The well-organized FlexiBulk pack makes tip picking quicker and more convenient. You can pick a tip individually, for attaching directly to a pipette, or grab a handful for filling a tip rack. As a result, FlexiBulk enables you to save as much as 20% of the time it normally takes you to load tips into racks from randomly packed bulk packages.. ...
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An excursion into the chemistry of N- and C-glycosides of D-galacturonic acid [Elektronische Ressource] / vorgelegt von Gnuni Karapetyan : AN EXCURSION INTO THE CHEMISTRY OF N- AND C-GLYCOSIDES OF D-GALACTURONIC ACID DISSERTATION zur Erlangung des akademischen Grades doctor rerum naturalium (Dr. rer. nat.) der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Rostock vorgelegt von Gnuni Karapetyan geb. am 08.09.1981 Rostock, April 2008 [urn:nbn:de:gbv:28-diss2008-0045-2] Dekan: Prof. Dr. Dieter
Made of crystal polystyrene and with color coded ring for quick volume identification. Sterilized by gamma irradiation. Non-pyrogenic. Packed individually in paper/plastic bag (peel-pack). Cotton filter plug to protect pipetting devices. Graduations are calibrated for accurate dispensing within ±2%. Normal graduation (zero on top). Carton has been specially designed for efficient bench top dispensing with a removable perforated front panel. Certificate of sterilization included (to be downloaded free of charge at www.labbox.com)
Prepare by filling bottle with 900 ml of ddH20 and adding the above chemicals. Adjust volume to 1 L with ddH20. Working concentration is 1x, so measure 400ml of 50x solution in graduated cylinder and then pour into 20 L carboy and fill to 20L with ddH20; if filling a 10 L carboy use 200 ml of stock. Unused or left over acetic acid must be disposed of in a chemical waste bottle located in the fume hoods. To avoid having left over Acetic acid use serological pipettes to measure out the Acetic acid (use 1 50 ml and 1 10 ml). ...
Currently, the main role of COVID-19 serology is in the retrospective diagnosis of disease. It may be useful when symptomatic individuals with suspected COVID-19 disease have not been tested by PCR for SARS-CoV-2 at the time of their illness, or when their result was negative or inconclusive. It can also identify those whose primary infection was asymptomatic.. While most infected individuals will have detectable antibody by the third week after symptom-onset, the longevity of the antibody response remains uncertain and its correlation with protective immunity has not been established.. A Medicare rebate is applicable to COVID-19 serology. ...
I love collections that have grab bars that are beautiful and can be used as towel racks as well as grab bars. Here are a few interesting bathroom fixture suites that have grab bars included as well as matching faucets, robe hooks, towel rings and toilet paper holders ...
Industrial workers in Valenzuela City are set to undergo serology testing for the COVID-19 after the local government partnered with various businesses to test their workforce using the citys serology testing machines.
Scatter plot of TTG serology vs classification probability for Coeliac cases.The classification probabilities are the probability of a given patient having Coel
This is the SAME video as previously uploaded, but this is WITH AUDIO This is a powerpoint presentation that you can play at whatever speed you prefer. The text in each of the slides is extremely ...
A light tube that can grab, orient and record the movements of tiny, agile unicellular organisms may soon help scientists better understand bacterial
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Cutting edge in heavy-duty steel All engcons SK-grabs can be fitted with removable teeth Load valve and pressure accumulator retain the grab power for a...
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... spleen & lymph nodes Help control bleeding by sticking to injured surfaces and providing surface for clotting factors to accumulate Terms to know Antibodies ...
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The way to grab the billiard cue is more important than you may believe, since it depends on the way in which you are going to hit the ball and, therefore, the effect that it is going to have on the table. Therefore, it is not enough that you look at professionals and try to ...
Types (classified by serology)[edit]. Types of HDN are classified by the type of antigens involved. The main types are ABO HDN ...
Forensic serology - study of the body fluids. Forensic video analysis - scientific examination, comparison, and evaluation of ... ISBN 978-1-58765-423-7. "Forensic serology". Forensic-medecine.info. Archived from the original on 2010-05-06. Retrieved 2010- ...
Meyers, Thomas C. (2006). "Chapter 21: Serology". In Wecht, Cyril H.; Rago, John T. (eds.). Forensic Science and Law: ... Gaensslen, Robert E., Sourcebook in Forensic Serology, Immunology, and Biochemistry, Washington, D.C.: U.S. Government Printing ... Sourcebook in Forensic Serology, Immunology, and Biochemistry (1989 edition) (Washington, D.C.: National Institute of Justice, ...
For pregnant women with negative antibody titers, indicating no previous exposure to T. gondii, serology testing as frequent as ... ISBN 978-1-4767-3823-9. "Laboratory Tests For The Diagnosis Of Toxoplasmosis". Toxoplasma Serology Laboratory. Archived from ...
Stanley J (2002). Essentials of Immunology & Serology. Cengage Learning. p. 323. ISBN 978-0766810648. Archived from the ...
CS1 maint: discouraged parameter (link) Pappagianis, Demosthenes; Coccidioidomycosis Serology Laboratory (2007). " ...
Retrieved Jan 2011 Stanley, Jacqueline (2002). Essentials of immunology & serology. Australia: Delmar, Thomson Learning. p. 142 ...
Applied Blood Group Serology. 4th Ed. Durham, NC: Montgomery Scientific Publications, 1998. Harmening, [edited by] Denise M. ( ...
Greer S, Alexander GJ (December 1995). "Viral serology and detection". Bailliere's Clinical Gastroenterology. 9 (4): 689-721. ...
Serology. Albany, New York: Delmar Division of Thomson Learning. pp. 172-174. ISBN 978-0914826255. LCCN 2002280630. OCLC ...
Stanley, Jacqueline (1 January 2002). Essentials of Immunology & Serology. Cengage Learning. p. 103. ISBN 978-0766810648. First ...
Contreras M, Green C, Humphreys J, Tippett P, Daniels G, Teesdale P, Armitage S, Lubenko A (1984). "Serology and genetics of an ... Serology, immunochemistry, genetics, and frequency". Blut. 55 (1): 33-43. doi:10.1007/BF00319639. PMID 3607294. S2CID 10130228 ...
Serology Molecular diagnostics Leland, D. S.; Ginocchio, C. C. (2007). "Role of Cell Culture for Virus Detection in the Age of ... Greer, Shaun; Alexander, Graeme J.M. (1995). "4 Viral serology and detection". Baillière's Clinical Gastroenterology. 9 (4): ...
... the filariasis serology was negative. No medical treatment was initiated. After 3 weeks of migration, the thread-like worm ...
Another method would also be through the screening test and serology. Serology includes two types of antibody test: ... PHLS Syphilis Serology Working Group". Commun Dis Public Health. 3 (3): 158-62. PMID 11014025. Hébert-Schuster M, Borderie D, ... The diagnosis includes serology nonspecific and specific, both positive. The secondary stage is however highly infectious ... This stage can be diagnosed through specific tests in serology. The nonspecific tests may be negative. At this point, there is ...
PMID 6531406.[permanent dead link] Das, S K; Srivastava, I K; Dutta, G P; Agarwal, S S (1985). "Serology and seroepidemiology ... Das SK, Srivastava IK, Dutta GP, Agarwal SS (1985). "Serology and seroepidemiology of malaria". Journal of Communicable ...
Pappagianis, Demosthenes; Coccidioidomycosis Serology Laboratory (September 2007). "Coccidioidomycosis in California State ...
ISBN 978-1-4443-9617-1. Rudmann SV (2005). "Section 2: Blood group serology". Textbook of Blood Banking and Transfusion ...
Blood tests (also called serology tests or serology immunoassays) can detect the presence of such antibodies. Antibody tests ... Antibody tests (serology immunoassays) instead show whether someone once had the disease. They are less useful for diagnosing ... "EUA Authorized Serology Test Performance". U.S. Food and Drug Administration (FDA). 7 May 2020. Retrieved 8 May 2020. Bastos, ... Roche offers a selective ELISA serology test. A summary review in BMJ has noted that while some "serological tests … might be ...
Marsteller, TA; Fenwick B (1999). "Actinobacillus pleuropneumoniae disease and serology". Swine Health and Production. 7 (4): ...
By 1975 protein sequencing and comparative serology combined were used to propose that humans closest living relative (as a ... early studies used comparative serology. By examining DNA sequences in different populations, scientists can determine the ...
Gouriet F, Drancourt M, Raoult D (October 2006). "Multiplexed serology in atypical bacterial pneumonia". Ann. N. Y. Acad. Sci. ...
LCMV is typically identified through serology. However, in an endemically infected colony, more practical methods include MAP ( ...
The study of serum is serology. Serum is used in numerous diagnostic tests as well as blood typing. Measuring the concentration ...
He was a leader in the fields of forensic medicine, serology, and immunogenetics. His pioneer work led to discovery of the Rh ...
... refers to the presence or absence of a serological marker in the blood. The presence of detectable levels of a specific marker within the serum is considered seropositivity, while the absence of such levels is considered seronegativity. ...
Serology can be used to assist diagnosis. Control of the disease is usually through elimination of the infection. This is ...
Benham, Rhoda W (1935). "Cryptococci: their identification by morphology and serology". Journal of Infectious Disease. 57 (3): ...
Retrieved 2 February 2018.[self-published source] Turgeon, Mary Louise (2014). Immunology & Serology in Laboratory Medicine ( ...
Stanley, J. (2002). Essentials of Immunology & Serology by Jacqueline Stanley. Albany, NY: Delmar. Mannucci, Armando; Sullivan ...
Performance of indirect immunoglobulin M (IgM) serology tests and IgM capture assays for laboratory diagnosis of measles ...
Uncovering SARS-CoV-2 Infections through Serology (or Antibody) Testing. Read Text Equivalent (for Section 508 access) ... Serology Surveillance Uncovers Missed Infections. Reported coronavirus disease, COVID-19, cases likely represent only a ... Seroprevalence surveys are investigations that involve the use of serology test (also known as antibody tests) to better ... Serology (Antibody) Surveillanceplus icon*About Serology Surveillance. *Serology Surveillance Strategy. *Serology Test ...
No 577/2013 shall be performed in an approved rabies serology laboratory. ... Approved rabies serology laboratories - EU Countries. The pre-entry rabies antibody titration test required for dogs, cats and ... No 577/2013 shall be performed in a rabies serology laboratory approved in accordance with Council Decision 2000/258/EC. ...
... significantly to the foundation of serology, the study of immune reactions in body fluids. In 1895 he found that two components ... Other articles where Serology is discussed: Jules Bordet: … ... In police: Serology. Serology is the study of serums such as ... significantly to the foundation of serology, the study of immune reactions in body fluids. In 1895 he found that two components ... ": { "url": "/science/serology", "shareUrl": "https://www.britannica.com/science/serology", "title": "Serology" ," ...
Serodiagnosis Serology in general, which describes changes in the immunological potency of body fluids after infection with a ... Serology of parasitic infections, in particular, gained much from the in vitro cultivation of parasites and the production of ... Serology in general, which describes changes in the immunological potency of body fluids after infection with a specific ... Reiter-Owona I., Seitz H.M. (2016) Serology. In: Mehlhorn H. (eds) Encyclopedia of Parasitology. Springer, Berlin, Heidelberg. ...
Campylobacter serology test is a blood test to look for antibodies to bacteria called campylobacter. ... Campylobacter serology test is a blood test to look for antibodies to bacteria called campylobacter. ...
Antibody serology tests check for the presence or level of specific antibodies in the blood. The results can show if your ... What are antibody serology tests?. Antibody serology tests check for the presence or level of specific antibodies in the blood ... Is there anything else I need to know about an antibody serology test?. Antibody serology tests can show that you have an ... Antibody serology tests are not used to diagnose diseases. They can show that you have antibodies to a disease. But they cant ...
Serology is the scientific study of serum and other body fluids. In practice, the term usually refers to the diagnostic ... Serology (archived) - MedlinePlus Medical Encyclopedia Serologic+Tests at the US National Library of Medicine Medical Subject ... Serological tests may also be used in forensic serology to investigate crime scene evidence. Several methods can be used to ... This affects the interpretation of serology results: a positive result for IgM suggests that a person is currently or recently ...
The CMV serology test is used to check your blood for antibodies to the cytomegalovirus (CMV). Learn when and how the test is ...
... is a blood test to look for antibodies to bacteria called campylobacter. How the Test is Performed ... Campylobacter serology test is a blood test to look for antibodies. to bacteria called campylobacter. ...
Also, serology is often done before any downstream analyses like DNA, so if sample is limited in size to begin with performing ... Serology testing begins with presumptive tests which gives the analyst an indication that a specific bodily fluid may be ... Forensic serology is the detection, identification, classification, and study of various bodily fluids such as blood, semen, ... Gaensslen, R.E. (August 1983). "Sourcebook in Forensic Serology, Immunology, and Biochemistry" (PDF). U.S. Department of ...
Ship in insulated container ensuring that Opti-Spot strip is protected from moisture. Once dry, place in a water-tight plastic bag containing the provided silica gel desiccant pack ...
Immunology and serology tests focus on identifying antibodies, investigating problems associated with the immune system like ... Browse Immunology & Serology Test Alphabetically. A B C E G H I L M P R S T ... Browse Immunology & Serology Test Alphabetically. A B C E G H I L M P R S T ...
Health Canada has approved several serology tests to detect the presence or absence of SARS-CoV-2 antibodies in blood, serum or ... The authors suggest that results from serology testing may be used to estimate rates of exposure and transmission in specific ... Serology testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be useful for public health decisions ... Serology testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be useful for public health decisions ...
Make research projects and school reports about Serology easy with credible articles from our FREE, online encyclopedia and ... Serology World of Forensic Science COPYRIGHT 2005 Thomson Gale. Serology. Serology testing (assay) is largely used by forensic ... Serology. Serology is the study of antigen-antibody reactions outside of a living organism (i.e., in vitro, in a laboratory ... In the clinical setting, serology is used to confirm infections and to type the blood from a patient. Serology has also proven ...
William T. Lee, Susan J. Wong, Karen E. Kulas, Alan P. Dupuis, Anne F. Payne, Laura D. Kramer, Amy B. Dean, Kirsten St. George, Jennifer L. White, Jamie N. Sommer, Michel Ledizet, Ronald J. Limberger ...
Helping you find trustworthy answers on Hepatitis C Serology , Latest evidence made easy ... Find all the evidence you need on Hepatitis C Serology via the Trip Database. ... Hepatitis C Serology Hepatitis C Serology Hepatitis C Serology Toggle navigation Brain Head & Neck Chest Endocrine Abdomen ... A Study on the Age-Related Changes in Hepatitis B and C Virus Serology (PubMed). A Study on the Age-Related Changes in ...
... , Hepatitis C Antibody, Hepatitis C Virus Antibody, Anti-HCV RNA, xHCV Antibody, xHCV Ab, xHCV IgG, RT-PCR ... Hepatitis C Serology. Aka: Hepatitis C Serology, Hepatitis C Antibody, Hepatitis C Virus Antibody, Anti-HCV RNA, xHCV Antibody ...
Serological detection allows indirect detection of host exposure to parasite infection, by detecting host-derived antibodies generated during the immune response of the host in response to parasite infection. Tests performed includes the immunofluorescent antibody test (IFAT) and the card agglutination test (CATT). IFAT are used to detect exposure to agents of bovine babesiosis (Babesia bovis, Babesia bigemina), canine babesiosis (Babesia gibsoni), equine babesiosis (Babesia caballi, Theileria equi) and bovine theileriosis (Theileria parva), heartwater (Ehrlichia ruminantium) and leishmaniasis (Leishmania spp.). The card agglutination assay are used to detect exposure to agents of trypanosomosis (Trypanosoma evansi) and toxoplasmosis (Toxoplasma gondi).. Key personnel: Ben Mans ([email protected]); Brian Peba ([email protected]); Bonginkosi Nkabinde ([email protected]); Olivier Matthee ([email protected]); Puseletso Masemola ...
False-positive Lyme disease serology in human granulocytic ehrlichiosis.. Wormser GP, Horowitz HW, Dumler JS, Schwartz I, ...
TB: Centre bans inaccurate serology tests. The Centre has banned the manufacture and sale of serodiagnostic kits for ...
encoded search term (Lyme Disease Serology) and Lyme Disease Serology What to Read Next on Medscape. Related Conditions and ... Lyme Disease Serology Updated: Nov 20, 2019 * Author: Bishnu Prasad Devkota, MD, MHI, FRCS(Edin), FRCS(Glasg), FACP; Chief ...
So, rash in 2000 seemed like HSV, but 2009 serology suggests otherwise. 1. Does the rash or the serology win? 2. Could mouth ... The serology wins. There are many other processes which can mimic genital herpes. The rash you describe has several aspects ...
The Serology department is concerned with research into and diagnosis of infective diseases, using the commonest serological ... In the sphere of the work of the Institutes Reference Centres and Laboratories, the Serology Department organizes, manages and ...
April 2010. ISU VDL will begin using HerdChek* PRRS X3 ELISA as the routine PRRS ELISA test on Monday April 26, 2010. Our collaborative efforts with IDEXX have demonstrated that the HerdChek X3™ PRRS Elisa offers a significant improvement in specificity (i.e., reducing false positives by 75 - 90%) while retaining excellent sensitivity. This new indirect enzyme-linked immunosorbent assay (ELISA) detects PRRS antibodies to either the North American or European strains of the virus in either plasma or serum with 99.9% specificity and 98.8% sensitivity. Probably the most exciting feature of the test is its reduction of false positive singleton reactors by 90%. The test while not approved for use in the United States at this time is approved and is in wide use across Europe. The ISU VDL, the University of Minnesota VDL and the diagnostic facility of Boehringer Ingelheim Vetmedica were involved in a field trial of the IDEXX X3 kit last September. All three labs tested a sample set that was developed ...
Clarification from the agency on serology tests could improve the test accuracy, but those diagnostics utility to inform ... Serology tests measure the level of antibodies against a certain pathogen in individuals, in this case, SARS-CoV-2, the virus ... After an early hands-off approach, the FDA is taking a more active role in the validation and review of COVID-19 serology tests ... COVID-19: Diagnostics companies flood market with serology tests; FDA responds. Erin McCallister Senior Manager, Health ...
Food and Drug Administration autorizaram os primeiros dois testes do serology COVID-19 que indicam uma quantidade calculada de ... Hoje, os E.U. Food and Drug Administration autorizaram os primeiros dois testes do serology COVID-19 que indicam uma quantidade ... O FDA igualmente quer lembrar pacientes que os testes do serology não devem ser usados para diagnosticar uma infecção activa, ... O FDA autoriza primeiros dois testes do serology COVID-19. *Download PDF Copy ...
... Page Content. Please note: AABB reserves the right to make updates ... Home , Professional Development , eLearning , Serology of Warm Autoimmune Hemolytic Anemia - Case Studies ...
Serology:. *Compare in vitro antigen-antibody reactions and methods including precipitation, agglutination, labeled assays ... Content includes factors involved in host response to a specific challenge with a foreign antigen; focus of serology portion of ... Miscellaneous serology; ToRCH, cold agglutinins, pregnancy testing, tumor markers, and febrile agglutinations. ... Course includes classroom lecture and laboratory course in immunology and serology. ...
... Looking for a broad spectrum of serological HLA typing trays and reagents?. ...
  • Seroprevalence surveys are investigations that involve the use of serology test (also known as antibody tests ) to better understand how many SARS-CoV-2 infections have occurred at different points in time, in different locations, and in different populations in the United States. (cdc.gov)
  • The pre-entry rabies antibody titration test required for dogs, cats and ferrets entering the Union from a territory or a Non-EU country not listed in Annex II to Implementing Regulation (EU) No 577/2013 shall be performed in a rabies serology laboratory approved in accordance with Council Decision 2000/258/EC . (europa.eu)
  • Antibody serology tests check for the presence or level of specific antibodies in the blood. (medlineplus.gov)
  • An antibody serology test can show that your immune system can fight off certain diseases. (medlineplus.gov)
  • Antibody serology tests are used to look for antibodies to specific diseases. (medlineplus.gov)
  • Antibody serology tests are not used to diagnose diseases. (medlineplus.gov)
  • Why do I need an antibody serology test? (medlineplus.gov)
  • What happens during an antibody serology test? (medlineplus.gov)
  • You don't need any special preparations for an antibody serology test. (medlineplus.gov)
  • Is there anything else I need to know about an antibody serology test? (medlineplus.gov)
  • Antibody serology tests can show that you have an immune response to a pathogen. (medlineplus.gov)
  • focus of serology portion of course is on detection of disease and pregnancy based on antigen-antibody reactions, using a variety of immunologic methods. (oakton.edu)
  • We also wanted to evaluate if antibody titers in CHD patients differed according to sampling time in relation to cardiac events compared to the variation pattern over time in healthy individuals, and, finally, we wanted to see if the stage of CHD influenced the serology results. (asm.org)
  • For example, one of the most highly publicized serology studies, COVID-19 Antibody Seroprevalence in Santa Clara County, California , is undergoing extensive criticism from epidemiologists and other experts in blogs and on Twitte. (healthjournalism.org)
  • Course includes classroom lecture and laboratory course in immunology and serology. (oakton.edu)
  • CLINICAL IMMUNOLOGY AND SEROLOGY presents today's newest professional techniques, thoroughly preparing students to work in modern clinical immunology laboratories, understand the data generated there, and apply the conclusions to deliver superior patient care. (aacc.org)
  • Clinical Laboratory Technician, Basic Immunology and Serology Exam. (proprofs.com)
  • Serological tests may also be used in forensic serology to investigate crime scene evidence. (wikipedia.org)
  • Forensic Serology is a unit within the Central Regional Laboratory. (njsp.org)
  • Approximately 3,000 cases are submitted yearly to the Forensic Serology unit to be searched for biological evidence containing potential DNA. (njsp.org)
  • For evidence submittal to the Forensic Serology Unit, see the Evidence Field Manual link on the OFS home page. (njsp.org)
  • Analysts in the Forensic Serology Unit document the physical evidence, screen the evidence for the presence of biological materials, and collect and preserve biological samples for further analysis. (njsp.org)
  • The Forensic Serology Unit has the capability to test for metabolic constituents of urine, such as creatinine, urea, and uric acid. (njsp.org)
  • Knowledge of biological evidence collection and preservation techniques, rules of evidence, forensic serology, basic human anatomy and physiology, and basic laboratory safety. (crime-scene-investigator.net)
  • The Serology department is concerned with research into and diagnosis of infective diseases , using the commonest serological methods, such as rapid and slow seroagglutination, complement fixation, indirect and competitive ELISA tests, indirect immunofluorescence, immunodiffusion in agar gel and MAT. (izs.it)
  • Given the active dialogue about serological tests that are currently on the market, and their significance in the nation's response efforts, we'd like to provide further details about our thinking on these tests and our approach to making accurate and reliable serology tests widely available," FDA Commissioner Stephen Hahn wrote in a memo announcing the agency's plans. (pwc.com)
  • Given the ubiquitous use of serology as a tool for surveillance and epidemiological modeling of wildlife diseases, it is imperative to consider the strengths and limitations of serological test methodologies and interpretation of results, particularly when using data that may affect management and policy for the prevention and control of infectious diseases in wildlife. (springer.com)
  • Serology testing (assay) is largely used by forensic laboratories to analyze blood samples from suspects and bloodstains collected at the crime scene, in order to identify blood types of victims and assailants. (encyclopedia.com)
  • In the sphere of the work of the Institute's Reference Centres and Laboratories, the Serology Department organizes, manages and takes part in interlaboratory circuits at national and international le vel. (izs.it)
  • The FDA has granted Emergency Use Authorizations ( EUAs ) to just four tests, but has reported that over 70 tests are on the market based on the agency's March guidance in which it said it would allow laboratories to self-verify and market serology tests. (pwc.com)
  • Immune-serology laboratories often process large number of samples and require consistent ultrapure water (Type 1 Water) delivered to connected analyzers. (elgalabwater.com)
  • Their chemistry and immune-serology laboratories process between 7000 and 8000 samples per day sent by small and medium-sized clinics across Korea. (elgalabwater.com)
  • Immune-serology laboratories require Type 1 Ultrapure water to ensure no contamination of samples occurs which may alter the results. (elgalabwater.com)
  • Specialists in veterinary virology, serology and DNA diagnostics. (parrotmag.com)
  • However, the availability of EMB and molecular pathological analyses is limited and in clinical practice virus serology is still used for the diagnosis of myocarditis, although not recommended in international guidelines. (escardio.org)
  • Suitability of serology tests for the diagnosis of Lyme disease. (medworm.com)
  • Our team has worked with many of the leading assay manufacturers worldwide and has extensive experience with serology and molecular applications. (seracare.com)
  • To address this problem, Tarhoni and his team used xMAP Technology to develop a new serology assay for COVID-19-one that would take advantage of its multiplexing capabilities by incorporating four viral antigens, ensuring the most accurate results possible. (luminexcorp.com)
  • Sera from residents of six communities, some of which had outbreaks of cryptosporidiosis due to contamination of their drinking water, were also tested to determine the usefulness of serology at a population level.The first objective of this project was to determine the sensitivity of the second-generation enzyme linked immunosorbent assays (ELISA) developed at the Centers for Disease Control and Prevention (CDC) and of a previously described immunoblot assay. (booktopia.com.au)
  • Serology using bovine cyst fluid in an immunoblot assay was 85% sensitive. (ajtmh.org)
  • Campylobacter serology test is a blood test to look for antibodies to bacteria called campylobacter. (medlineplus.gov)
  • The CMV serology test is used to check your blood for antibodies to the cytomegalovirus (CMV). (healthline.com)
  • SINGAPORE - From Friday (5 February), all foreign domestic workers and confinement nannies who have recent travel history to higher-risk countries or regions will have to take a serology test upon arrival in Singapore. (yahoo.com)
  • It explained that the additional on-arrival serology test will identify workers who have recovered from an old COVID-19 infection, and thus have antibodies inside them. (yahoo.com)
  • Cellex, a diagnostic and biopharmaceutical company in Research Triangle Park, North Carolina, was the first company to receive an EUA for a SARS-CoV-2 serology test, on April 1. (aacc.org)
  • The Serology Laboratory also offers the QuantiFERON-TB Gold Test. (sd.gov)
  • 1 The Toxoplasma Serology Laboratory will test specimens that deviate from these conditions. (pamf.org)
  • Use of rapid serology test for diagnosing dengue has been banned by Jammu and Kashmir's health department due to doubts over its accuracy. (medindia.net)
  • Rapid Plasma Reagin (RPR) set is a non-treponemal flocculation test (Serology Test kit) that is used for the qualitative and semi-quantitative determination of reagin antibodies in serum or plasma from persons with syphilis. (rapidtest.com)
  • DBS absorbed on filter papers were analyzed with a commercially available ELISA test for S. stercoralis antibodies, as well as with standard serology. (frontiersin.org)
  • VIP Dx has available for purchase the WPI licensed serology test that detects antibodies to Human Gamma Retroviruses. (fightingfatigue.org)
  • A serology test can determine whether you have ever been exposed to a certain antigen, but this does not mean that you have a current infection. (ucsfbenioffchildrens.org)
  • Serology testing begins with presumptive tests which gives the analyst an indication that a specific bodily fluid may be present, but cannot completely confirm its presence. (wikipedia.org)
  • Health Canada has approved several serology tests to detect the presence or absence of SARS-CoV-2 antibodies in blood, serum or plasma for use in Canada. (mcgill.ca)
  • Serology tests can also determine the presence of alcohol, illegal drugs, and poisons in the serum. (encyclopedia.com)
  • After an early hands-off approach, the FDA is taking a more active role in the validation and review of COVID-19 serology tests as they become a key element in some reopening plans. (pwc.com)
  • Serology tests measure the level of antibodies against a certain pathogen in individuals, in this case, SARS-CoV-2, the virus that causes COVID-19. (pwc.com)
  • As states and employers consider reopening plans, serology tests could play a critical role to determine which individuals may still be at risk of infection. (pwc.com)
  • On Saturday, the FDA outlined its plans to expand access to serology tests and identify "well-performing tests . (pwc.com)
  • As the FDA works to bring more uniformity and accuracy to serology tests, the challenge of available but unvalidated tests will be compounded by the incidence rate of the virus. (pwc.com)
  • With the notion that serology tests could help identify individuals with past COVID-19 infections and support community surveillance efforts, the U.S. Food and Drug Administration (FDA) first allowed serology tests for SARS-CoV-2 to come to market in March. (aacc.org)
  • Early efforts to flatten the COVID-19 curve were successful, according to an analysis of serology tests that has given the province a baseline to better understand the spread of coronavirus through the population, Alberta's top doctor says. (cbc.ca)
  • Serology tests detect antibodies in the blood that indicate the person has been exposed to the COVID-19 virus in the past. (cbc.ca)
  • Findings on liver biopsy to investigate abnormal liver function tests in the absence of diagnostic serology. (nih.gov)
  • The significance of abnormal liver function tests in the absence of diagnostic serology is unclear. (nih.gov)
  • The finding of abnormal liver function tests in the absence of diagnostic serology may indicate significant liver disease. (nih.gov)
  • In other news, the Food and Drug Administration Friday authorized two Siemens serology tests for COVID-19 that display an estimated quantity of antibodies present in the individual's blood. (aha.org)
  • This kind of testing has been limited thus far because until recently, existing COVID-19 serology tests weren't sensitive or specific enough to avoid false negative or false positive results. (luminexcorp.com)
  • Serology is the scientific study of serum and other body fluids. (wikipedia.org)
  • Serology is therefore the study of the properties of serum. (encyclopedia.com)
  • Multiplex Serology is a high-throughput technology developed to simultaneously measure specific serum antibodies against multiple pathogens in one reaction vessel. (tripdatabase.com)
  • Serology: the study or examination of blood serum, with regard to the response of the immune system to pathogens or newly introduced substances. (labroots.com)
  • Serology is the study of blood serum (the clear fluid that separates when blood clots). (nyhq.org)
  • The serology was positive in 31/235 (13%) serum samples, and in 27/235 (11%) DBS: 4 samples resulted discordant (positive at standard serology). (frontiersin.org)
  • Common obstacles to the use of serology in surveys conducted in the field are due to storage (mostly lack of controlled systems that guarantee the maintenance of the samples within a given temperature range) and transport of the serum samples, particularly for studies in remote areas of the world. (frontiersin.org)
  • Properly performed serology requires appropriate amounts of uncontaminated serum. (psu.edu)
  • Serology is the examination of the blood to determine the presence of antibodies in the serum which typically forms in response to an infection against a particular microorganism. (elgalabwater.com)
  • Studies of infectious disease ecology rely on robust surveillance of pathogens in reservoir hosts, often based on serology, which is the detection of specific antibodies in the blood and is used to infer infection history. (springer.com)
  • The authors determined prospectively the diagnostic value of virus serology as compared to EMB and viral genome detection and immunohistochemistry in patients with clinically suspected myocarditis. (escardio.org)
  • False-positive Lyme disease serology in human granulocytic ehrlichiosis. (nih.gov)
  • Prohealth Positive Lyme disease serology in patients with clinical and laboratory evidence of human granulocytic ehrlichiosis. (prohealth.com)
  • Serology can determine whether an individual was exposed in the past or if he is presently infected with a variety of pathogens (disease-causing organisms), such as hepatitis, measles, anthrax , syphilis, or HIV . (encyclopedia.com)
  • Avian serology testing requires appropriate amounts of uncontaminated, non-hemolyzed sera. (psu.edu)
  • Serology in general, which describes changes in the immunological potency of body fluids after infection with a specific pathogen under diagnostic aspects, has gained increasing importance over the last 20 years for microbiology. (springer.com)
  • The authors report viral genome in the myocardium of 58 patients (47%) while acute viral infection was diagnosed in 20 patients (16%) by serology. (escardio.org)
  • Often there is a considerable delay between the onset of the infection and clinical myocarditis, which diminishes the possibilities of using serology. (escardio.org)
  • Prior to commencing treatment, Hepatitis B serology confirmed Hepatitis B infection. (scirp.org)
  • Serology - active infection? (cpnhelp.org)
  • For each pathogen, between 3 and 5 specific antigens were recombinantly expressed as GST-tag fusion proteins in Escherichia coli and tested in Monoplex Serology , i.e. assays restricted to the antigens from one particular pathogen. (tripdatabase.com)
  • Autoimmune liver serology before and after successful treatment of chronic hepatitis C by direct acting antiviral agents. (tripdatabase.com)
  • The Immunology & Serology section provides services for Autoimmune serology, Allergen-Specific IgE serology, Infectious Diseases serology (excludes viral serology) and Sexually Transmitted Diseases (STD) serology. (sgh.com.sg)
  • Serology of parasitic infections, in particular, gained much from the in vitro cultivation of parasites and the production of monoclonal antibodies. (springer.com)
  • significantly to the foundation of serology, the study of immune reactions in body fluids. (britannica.com)
  • Serology is such a convenient diagnostic tool because the immune system produces specific molecular tags in the blood for practically each foreign substance or invading microorganism. (encyclopedia.com)
  • Building on the established relationship, JM Corporation successfully completed the installation of a further four MEDICA Pro 120 units, ensuring the consistent delivery of high quality purified water to meet the demands of a growing immune-serology laboratory. (elgalabwater.com)
  • NK-like T cells and plasma cytokines, but not anti-viral serology, define immune fingerprints of resilience and mild disability in exceptional aging. (sigmaaldrich.com)
  • Evaluation of hepatitis C , hepatitis B, and HIV virus Serology pandemic in thalassemia patients of Shahid Mohammadi Hospital of Bandar Abbas, Iran Thalassemia patients are prone to the hepatitis C , B, and HIV virus, due to their constant need to receive blood transfusions. (tripdatabase.com)
  • Our study indicates that colonisation screening based on H pylori serology, a history of sinister symptoms, or a history of NSAID use was worthwhile in dyspeptic patients. (nih.gov)
  • Virus serology in patients with suspected myocarditis: utility or futility? (escardio.org)
  • Samples for virus serology were collected before EMBs and in 30 patients second samples were drawn 7-28 days after the initial sample. (escardio.org)
  • This case highlights the impor tance of testing for hepatitis B serology in patients diagnosed with splenic MZLs as causative agent. (scirp.org)
  • Dean, who specializes in emerging infectious diseases, notes some best practices for serology studies that are partly drawn from WHO guidance . (healthjournalism.org)
  • Although some investigations are based on direct immunofluorescence or PCR demonstrating C. pneumoniae in situ in the atherosclerotic plaque, most studies are based on serology, using different methods to detect human antibodies against the organism. (asm.org)
  • Validation of Multiplex Serology for human hepatitis viruses B and C, human T-lymphotropic virus 1 and Toxoplasma gondii. (tripdatabase.com)
  • We present a case in which an elderly woman diagnosed with a splenic marginal zone lymphoma (MZL) was found to have positive Hepatitis B serology. (scirp.org)
  • Q. Iman, E. Dewi and B. Syed, "Splenic Marginal Zone Lymphoma in a Patient with Positive Hepatitis B Virus Serology*," Open Journal of Blood Diseases , Vol. 3 No. 4, 2013, pp. 105-107. (scirp.org)
  • Serology testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) will be useful for public health decisions and research but will not have wide application for clinical care, according to a review article in CMAJ (Canadian Medical Association Journal) . (mcgill.ca)
  • Toxoplasma IgG testing will be performed on all requests for Toxoplasma serology when immunity is requested or when there is no clinical information indicated on the requisition. (publichealthontario.ca)
  • The sample is sent to a laboratory where it is examined for francisella antibodies using a method called serology. (stlukes-stl.com)
  • Serology is the study of serums such as blood and other human fluids. (britannica.com)
  • High Rate of Spontaneous Normalization of Celiac Serology in a Cohort of 446 Children With Type 1 Diabetes: A Prospective Study. (diabetesjournals.org)
  • Send blood specimens in Lithium Heparin tubes (green cap) to the Immunology & Serology Lab. (sgh.com.sg)
  • Contact the serology section of the laboratory to which you are submitting specimens in advance when you need a group of animals tested within certain time constraints. (psu.edu)
  • This affects the interpretation of serology results: a positive result for IgM suggests that a person is currently or recently infected, while a positive result for IgG and negative result for IgM suggests that the person may have been infected or immunized in the past. (wikipedia.org)
  • The authors suggest that results from serology testing may be used to estimate rates of exposure and transmission in specific populations, geographic areas and workplaces. (mcgill.ca)
  • Serology and PCR results showed a high level of agreement (113/121) for infants and children. (nih.gov)
  • It's also important to understand what serology studies and results mean - and don't mean - when it comes to herd immunity. (healthjournalism.org)
  • So, rash in 2000 seemed like HSV, but 2009 serology suggests otherwise. (medhelp.org)
  • Here we used a versatile serology-based approach to determine the natural host of the only known nonprimate hepacivirus (NPHV), CHV, which is also the closest phylogenetic relative of HCV. (asm.org)
  • Is the Subject Area "Serology" applicable to this article? (plos.org)