• This product shows no reactivity at a dilution of 1:100 when tested against purified Sm, nRNP, La/SS-B, Scl-70, Jo-1, Mitochondrial, or Ribosomal P antigens in an ELISA system designed to detect IgG antibody. (calbiotech.com)
  • Precipitins were strongly positive against lovebird droppings, but were negative against other avian antigens. (ersjournals.com)
  • The present observation identifies a new causative agent for hypersensitivity pneumonitis and highlights the importance of a thorough environmental history and of searching for precipitins against antigens directly extracted from the patient's environment. (ersjournals.com)
  • In this test, a gel made of agar is prepared, and specific antigens are placed in wells within the gel. (lifeindogyears.com)
  • If the antibodies recognize and bind to the antigens, visible precipitin lines will form, indicating the presence of specific antibodies. (lifeindogyears.com)
  • Sensitive tests to measure certain antigens, antibodies, or viruses, using their ability to agglutinate certain erythrocytes. (lookformedical.com)
  • Note: 0.25 mL serum is required for one precipitin. (nationaljewish.org)
  • The serum precipitin test assists in the diagnosis of HP. (nationaljewish.org)
  • Serum precipitin tests were negative in both workers tested. (cdc.gov)
  • The agar-gel test for the presence of precipitins in serum was performed with the extracts of 15 microbial isolates. (aaem.pl)
  • The specificity is verified by a precipitin line of identity with the CDC-AF reference serum. (calbiotech.com)
  • Assay by immunoelectrophoresis resulted in a single precipitin arc against anti-Goat Serum. (abcam.com)
  • Results of laboratory tests showed a white blood cell count of 11,380/mm 3 , C-reactive protein of 4.67mg/dL, erythrocyte sedimentation rate of 37mm after 1 hour, and a serum KL-6 of 3824U/mL. (biomedcentral.com)
  • In agar-gel test for detection of precipitins, in most cases very low percentages of positive reactions (0-2.1%) were noted in furniture factory workers. (aaem.pl)
  • Application of agar gel precipitin tests to the study of the virus of foot-and-mouth disease. (microbiologyresearch.org)
  • Agar gel analysis of the homologous precipitin reactions revealed, as would be expected, reactions of serological identity, while those cross-reactions which were strong enough to test in this way formed bands of precipitate which joined with spur formation on the side of the homologous reaction. (silverchair.com)
  • In addition, agar-gel precipitin tests showed that lipopolysaccharide binds to antisera of multiple serotypes, while the capsular polysaccharide only binds to the corresponding antisera. (bvsalud.org)
  • It was pointed out that the cases of HP were not systematically identified, that MWF exposure was not measured, that HP prevalences and incidences were not estimated, and that no precipitating antibodies were found in the tested workers. (cdc.gov)
  • Aspergillus precipitin antibody test results (ie, for IgG) are usually positive. (medscape.com)
  • Diagnosis of pulmonary aspergilloma is usually made based on chest X-ray findings, and the Aspergillus precipitin antibody test results (ie, for IgG) are usually positive. (moldsafeinspections.com)
  • Diagnosis is suspected based on history and imaging tests and confirmed by Aspergillus skin testing and measurement of IgE levels, circulating precipitins, and A. fumigatus -specific antibodies. (msdmanuals.com)
  • The latex slide test in conjunction with the electro-precipitin test is recommended for routine use in the detection of Hashimoto's disease. (bmj.com)
  • A distinct elliptical precipitin arc results for each protein detectable by the antisera. (lookformedical.com)
  • Immunofluorescence and immunoprecipitation tests appeared to identify an inter-group specific antigen that was distinct from an intra-group specific antigen detected by CFT. (ox.ac.uk)
  • in most applications the substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance. (theodora.com)
  • A large antigen penal should be used in testing for sensitisation because of the many immunogenic dusts present in the air in swine barns. (bmj.com)
  • Serologic tests in which a positive reaction manifested by visible CHEMICAL PRECIPITATION occurs when a soluble ANTIGEN reacts with its precipitins, i.e. (bvsalud.org)
  • Passive agglutination tests in which antigen is adsorbed onto latex particles which then clump in the presence of antibody specific for the adsorbed antigen. (lookformedical.com)
  • Technique involving the diffusion of antigen or antibody through a semisolid medium, usually agar or agarose gel, with the result being a precipitin reaction. (lookformedical.com)
  • The test is indicated in individuals who have clinically significant dermatographism or extensive skin disease, those who cannot discontinue antihistamines or other medications with antihistamine actions (eg, tricyclic antidepressants), or those who have a history of anaphylactic reaction (because direct application of the suspected allergen may precipitate recurrent anaphylaxis). (medscape.com)
  • Immunization alone induced dermal immediate hypersensitivity reactions in all monkeys and circulating specific reaginic antibody detectable by P-K testing in 6 of 8 monkeys. (ajtmh.org)
  • They give flocculent precipitates in tube precipitin tests, and form one band of precipitate in gel diffusion tests. (dpvweb.net)
  • Diagnosis requires isolation of the organism in culture, identification on histologic specimens, or serologic testing. (medscape.com)
  • Serologic tests for coccidioidomycosis measure titers of immunoglobulin M (IgM) or immunoglobulin G (IgG). (medscape.com)
  • The diagnosis of fungal sensitivity heavily depends on skin tests with fungal allergens. (medscape.com)
  • This test is most critical for establishing the diagnosis. (medscape.com)
  • The presence and pattern of precipitin lines are analyzed and interpreted by the veterinarian to make a diagnosis. (lifeindogyears.com)
  • Coccidioidal skin test conversion from negative to positive after the onset of clinical signs and symptoms. (cdc.gov)
  • Work related symptoms, initial pulmonary function tests and biopsy results were reported. (cdc.gov)
  • Therefore, the use of recombinant Ag may help in reducing the inconsistency of test results with the use of natural Ags. (medscape.com)
  • Results are recorded 15 minutes after the test is performed. (medscape.com)
  • The results of these immunologic tests must be interpreted in the context of the varied clinical presentations and the duration and clinical type of coccidioidomycosis. (cdc.gov)
  • A case report of one worker, including clinical symptoms, work history, pulmonary function tests, and treatment was presented. (cdc.gov)
  • The serological properties of the treated virus preparations were studied by complement-fixation and agar diffusion tests and their content of infective ribonucleic acid (RNA) determined by phenol extraction. (microbiologyresearch.org)
  • 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. (lookformedical.com)
  • These tests can also be performed on cerebrospinal fluid (CSF) upon suspicion of coccidioidal meningitis. (medscape.com)
  • Complement fixation tests (CFT) revealed that KEM virus was more closely related to BRD and WEX viruses than to either CNU or WM viruses. (ox.ac.uk)
  • Repeat testing following a negative result improves sensitivity. (medscape.com)
  • A sensitivity test can help in choosing an antifungal agent should such treatment be indicated. (medscape.com)
  • The tissue culture test for assaying the virus and neutralizing antibody of foot-and-mouth disease and its application to the measurement of immunity in cattle. (microbiologyresearch.org)
  • The skin test was performed by the intradermal method with the saline extracts of the cultures of 3 microbial species (Rahnella sp. (aaem.pl)
  • Testing can be performed by using the prick or intradermal method. (medscape.com)
  • Pulmonary function tests revealed restriction and obstruction with low diffusing lung capacity for carbon monoxide and partial pressure of oxygen. (ersjournals.com)
  • Pulmonary function tests (PFTs) and arterial blood gas data are summarised in table 1 ⇓ , and were characterised by a mixed pattern of restriction and obstruction with low diffusing capacity of the lung for carbon monoxide ( D L,CO ) and partial pressure of oxygen. (ersjournals.com)
  • Mold allergen extracts used for the skin test depend on the prevalence of various molds in the region, as identified with annual atmospheric sampling. (medscape.com)
  • [ 21 ] They found a statistically significant correlation in specific immunoglobulin E (IgE) levels to both Ags by using skin test and immunoblotting/inhibition analysis. (medscape.com)
  • Tests that are dependent on the clumping of cells, microorganisms, or particles when mixed with specific antiserum. (lookformedical.com)
  • and/or demonstration of a specific immunologic response (i.e., skin test conversion or demonstration of presence of coccidioidal antibody). (cdc.gov)
  • Immediate hypersensitivity skin testing is the most useful method to detect IgE antibody against mold allergens. (medscape.com)
  • These tests are helpful in determining the offending airborne allergens. (medscape.com)
  • Eighty-seven per cent of patients were positive to prick skin tests with one or more allergens. (ox.ac.uk)
  • EXPERT ANSWER 5Answer: Gram's staining is the test used to differentiate between gram positive and gram negative bacteria. (wegglab.com)
  • Fifty-one per cent of a group of controls were also positive on skin testing but the pattern of responses was different from the asthmatic patients. (ox.ac.uk)
  • General laboratory tests include a complete blood count (CBC) and erythrocyte sedimentation rate (ESR). (medscape.com)
  • In this case, another test is done to confirm that you have an infection. (medlineplus.gov)
  • RAST is not generally considered as sensitive as skin testing. (medscape.com)
  • 51-52 Consequently, although investigators had been unable to prove extensive staining found upon Tessnow's clothing following his 1898 murders were wood dye, as he had claimed, or human blood, by the time he committed his 1901 murders, pioneering precipitin testing enabled investigators to prove his clothing had been extensively stained with both human and animal blood, despite his claims to the contrary. (wikipedia.org)
  • Host range not yet tested extensively, but seems restricted. (dpvweb.net)
  • Pruebas serológicas en las que la reacción positiva se manifiesta por una PRECIPITACIÓN QUÍMICA visible y tiene lugar cuando un ANTÍGENO soluble reacciona con sus precipitinas, es decir, con ANTICUERPOS que pueden formar un precipitado. (bvsalud.org)
  • however, undiluted antibody shows a strong Anti-Ro/SS-A precipitin band. (calbiotech.com)