It has two common uses in the laboratory: blood typing and the quantification of virus dilutions in a haemagglutination assay. (wikipedia.org)
This data release contains the hemagglutination inhibition assay titers to 2009 H1N1 and three contemporary influenza viruses. (cdc.gov)
Antibody titers against 2009 H1N1 and three contemporary influenza viruses were measured with the hemagglutination inhibition (HI) assay following standard procedures by Focus Diagnositcs, Inc., Cypress, CA. (cdc.gov)
To provide further insight into these glycan attachments and their potential clinical relevance, the classic hemagglutination (HA) assay was applied using spike protein from the Wuhan, Alpha, Delta and Omicron B.1.1.529 lineages of SARS-CoV-2 mixed with human RBCs. (biorxiv.org)
Serological detection of total antibodies (IgM and IgG) directed towards Japanese Encephalitis (JE) virus by Hemagglutination Inhibition (HI) assay. (canada.ca)
The hemagglutination inhibition assay was used to measure antibody levels. (biomedcentral.com)
Hemagglutination Assay via Optical Density Characterization in 3D Microtrap Chips. (nih.gov)
Antibodies8
Immune adherence hemagglutination was compared with the complement fixation test as a means of measuring antibodies to varicella-zoster virus. (mcmaster.ca)
There were 35 cases where antibodies were detected by immune adherence hemagglutination but not by complement fixation, whereas in five cases the converse was found. (mcmaster.ca)
Our findings support the contention that immune adherence hemagglutination is the method of choice for detecting antibodies to varicella-zoster virus. (mcmaster.ca)
Approximately 7% of the sera tested to determine the presence of rubella-specific antibodies by the hemagglutination inhibition test demonstrated abnormal patterns of reactivity, rendering the test unreadable. (elsevierpure.com)
Haemagglutination inhibiting (HI) antibodies were tested by a standard WHO procedure. (bmj.com)
We show that the Haemagglutination Test ("HAT") has a sensitivity of 90% and specificity of 99% for detection of antibodies after a PCR diagnosed infection. (ox.ac.uk)
Here we describe a quantitative Haemagglutination test (HAT) for the detection of antibodies to the receptor binding domain of the SARS-CoV-2 spike protein. (liverpool.ac.uk)
Protein E1 is the viral hemagglutinin that binds both hemagglutination-inhibiting and hemolysis-inhibiting antibodies. (medscape.com)
Antibody titers2
Serological analyses demonstrated that homologous hemagglutination inhibition and microneutralization antibody titers were detectable in the ferrets after the first immunization with the AS03-adjuvanted vaccines that were further boosted by the second immunization. (nature.com)
Hemagglutination inhibition (HAI) antibody titers to seasonal influenza strains are important surrogates for vaccine -elicited protection . (bvsalud.org)
Titers2
In addition, blood samples were collected for hemagglutination-inhibition titers 28 days after vaccination. (medscape.com)
The researchers found that the percentage of people with hemagglutination-inhibition titers 1:40 (the cut-off for seroprotection) or higher after vaccination was much higher in the high-dose vaccine group when compared with the standard-dose vaccine group. (medscape.com)
Indirect haemagglutination2
The retrospective study was conducted at Bursa Uludag University Hospital, Bursa, Turkey, and comprised data from January 2009 to December 2017 related to patients of either gender with suspected cystic echinococcosis who underwent indirect haemagglutination testing. (org.pk)
Casoni's skin test and indirect haemagglutination test (IHA) are still used in Turkey. (bezmialem.edu.tr)
Clarke, D.H. and Casals, J. Techniques for hemagglutination and hemagglutination-inhibitiion with arthropod-borne viruses. (canada.ca)
TEST3
Analysis of acute- and convalescent-phase sera from patients infected with varicella-zoster or with herpes simplex virus showed the immune adherence hemagglutination test to be more sensitive than the complement fixation test, and greater cross-reactivity between the two viruses appeared to be associated with the increased sensitivity. (mcmaster.ca)
These results emphasize the necessity of heating sera for the rubellahemagglutination inhibition test after the chemical removal of nonspecific inhibitors. (elsevierpure.com)
In our study, we aimed to make inferences about the effects of the pandemic on the diagnosis of the disease by evaluating the number and results of CE indirect hemagglutination test (IHA) before and during the pandemic. (nevinmanimala.com)
Influenza3
H3N2 influenza hemagglutination inhibition method qualification with data driven statistical methods for human clinical trials. (bvsalud.org)
Human seasonal Influenza A(H3N2) haemagglutination inhibition data 1990-2021 from the WHO Collaborating Centre for Reference and Research on Influenza, London, UK. (gla.ac.uk)
Haemagglutination inhibition (HI) assays performed on dates between 1990 and 2021 by the WHO Collaborating Centre for Reference and Research on Influenza, London, UK on viruses collected between 1961 and 2021. (gla.ac.uk)
Rubella2
Comparison of radial haemolysis with haemagglutination inhibition in estimating rubella antibody. (bmj.com)
When these abnormally reacting and false-positive sera were heated at 56°C for 30 min after chemical treatment they always converted to negative, indicating the absence of specific rubella hemagglutination-inhibiting antibody. (elsevierpure.com)
One of them was capable of neutralizing virus infectivity and inhibiting haemagglutination, while the other had no significant neutralizing or haemagglutination-inhibiting capability, but did inhibit virus-mediated haemolysis. (microbiologyresearch.org)
In terms of hemocompatibility, polymers with shorter chains are more prone to hemagglutination. (rsc.org)
Detection1
Hemagglutination is the core reaction in blood banking testing, as the majority of our testing has for years relied on detection of this process. (bbguy.org)
Concentration2
By using a standard amount of virus, a standard amount of blood cells, and serially diluting the antiserum, one can identify the concentration of the antiserum (the greatest dilution which inhibits hemagglutination). (wikipedia.org)
A significant weaker binding to human RBC of AK117 was identified (figure 4), and AK117 does not induce hemagglutination of human RBC up to a concentration of 1050 μg/mL, while Hu-5F9 triggers hemagglutination even at a low concentration of 1.44 μg/mL (figure 5). (bmj.com)
Blood1
Hemagglutination, or haemagglutination, is a specific form of agglutination that involves red blood cells (RBCs). (wikipedia.org)
Human1
Effects of AK117 on hemagglutination of human RBC at was tested. (bmj.com)
Presence1
Essentially, the presence of and characteristics of the hemagglutination reaction in-vitro are used to predict whether or not a particular antibody will cause a problem for a patient in-vivo . (bbguy.org)
Assays3
Hemagglutination inhibition (HI) and microneutralization (MN) assays were performed following standard procedures * using A/Minnesota/11/2010 (H3N2)v and seasonal influenza viruses, A/Wisconsin/67/2005 (H3N2), and A/Perth/16/2009 (H3N2). (cdc.gov)
Haemagglutination inhibition (HI) assays performed on dates between 1990 and 2021 by the WHO Collaborating Centre for Reference and Research on Influenza, London, UK on viruses collected between 1961 and 2021. (gla.ac.uk)
With the expanded number of longitudinal studies examining natural influenza infections in different population groups, as well as the expanded number of clinical trials investigating the efficacy of next-generation influenza vaccines, the development of improved immunological assays to measure correlates other than hemagglutination inhibition (HAI), microneutralization (MN) or neuraminidase inhibition (NAI) is timely and needed. (nih.gov)
Agglutination1
Hemagglutination, or haemagglutination, is a specific form of agglutination that involves red blood cells (RBCs). (wikipedia.org)
Antibody4
Measles hemagglutination inhibition (HI) antibody titer, widely used in clinical practice to simply and easily determine the measles immunity level has, in recent years, been increasingly replaced by measles IgG-antibody titer determined by enzyme-immunoassay (EIA). (unboundmedicine.com)
The Journal of the Japanese Association for Infectious Diseases JO - Kansenshogaku Zasshi VL - 83 IS - 5 N2 - Measleshemagglutination inhibition (HI) antibody titer, widely used in clinical practice to simply and easily determine the measles immunity level has, in recent years, been increasingly replaced by measles IgG-antibody titer determined by enzyme-immunoassay (EIA). (unboundmedicine.com)
Comparison of radial haemolysis with haemagglutination inhibition in estimating rubella antibody. (bmj.com)
Hemagglutination tests are based on an antigen-antibody reaction. (nih.gov)
TREPONEMA PALLIDUM HAEMAGGLUTINATION blood test in Khambhalia is done at fully automated NABL accredited diagnostic laboratory Thyrocare which has Centralized Processing Lab in Mumbai for esoteric tests and Regional Processing Labs in major cities of India. (mediyaar.com)
Mediyaar Healthcare in Khambhalia provides online facility for booking of TREPONEMA PALLIDUM HAEMAGGLUTINATION where sample can be collected from your home or offce in Khambhalia. (mediyaar.com)
Searo-Diagnosis of Dengue Infections by Haemagglutination Inhibition Test (HI) in Suspected Cases in Chittagong, Bangladesh. (who.int)
Comparative titration data for the Positive control and Limit reference preparationsindicated that the use of a 'Limit' test reference preparation would facilitate identification of higher titre batches whenthe direct haemagglutination method is used.The Positive control, Negative control and Limit test preparations were adopted in November 2008 by the Commissionof the European Pharmacopoeia (Ph. (sciensano.be)
Tests2
Hemagglutination tests were used at doctor's offices to diagnose pregnancy in the 1960s and 1970s. (nih.gov)
Then, the hemagglutination-based tests took ~2 hours to produce a result whereas today, results are available within minutes. (aacc.org)
Reaction2
A study of 1026 serums by hemagglutination inhibition reaction]. (nih.gov)
Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination. (bvsalud.org)
Study1
In the current study, the antimicrobial, phytotoxic, haemagglutination and antioxidant potential of crude methanolic extract (Crd. (jatstech.org)
Activity3
Regions Important for Hemagglutination Activity and Serotypes of Avibacterium paragallinarum HMTp210 Protein. (bvsalud.org)
However, the regions important for the hemagglutination (HA) activity and serotypes of HMTp210 remain unclear. (bvsalud.org)
These lectins have significant hemagglutination activity against trypsinized rabbit erythrocytes, which was inhibited by galactose-containing saccharides. (techscience.com)