نتایج جستجو برای: hemagglutination inhibition test hi
تعداد نتایج: 1136268 فیلتر نتایج به سال:
Influenza C virus possesses specific neuraminate-O-acetylesterase as a receptor-destroying function. This enzymatic activity of the viral glycoprotein HEF (Hemagglutinin, esterase activity and fusion factor) can be visualized in situ by the use of distinct color substrates. Hereby the localization, as well as the quantity of synthesized HEF protein is detectable. We further developed the estera...
In 2010, the World Organisation for Animal Health recommended the inclusion of a Florida sublineage clade2 strain of equine influenza virus (H3N8), which is represented by A/equine/Richmond/1/07 (Richmond07), in equine influenza vaccines. Here, we evaluate the antigenic differences between Japanese vaccine strains and Richmond07 by performing hemagglutination inhibition (HI) assays. Ferret anti...
There are several lectins with anti-H specificity but few of them serve as useful reagents. An anti-H lectin, extracted from the seeds of the plant Momordica dioica Roxb. ex willd., was tested for its hemagglutination and inhibition properties, using standard serologic methods and panel RBCs, serum, saliva, milk, and oligosaccharides purified from milk. The extract displayed strongest agglutina...
conclusions the aiv loaded into cnp vaccines induce appropriate antibody titers, after a single immunization, while requiring a low dose of antigen. the cnp also represent an interesting new platform for antigen delivery and a promising adjuvant candidate for h9n2 inactivated influenza vaccine. results the cnp did not cause any mortality or side effects, when chickens were administered the prep...
Modification of the pH of kaolin-serum treatment produces hemagglutination-inhibition test results comparable with the plaque neutralization test in duck embryo tissue culture; the standard treatment does not.
Background and Aims: Influenza vaccination is one of the best way to prevent and control influenza worldwide. It is manufactured by WHO-licensed companies based on the WHO expertise committee annually. The aim of this study was partial quality control of the commercial human influenza vaccine 2008-9 and its matching with the circulating strains. Materials and Methods: The trivalent imported vac...
BACKGROUND We determined antibodies to the pandemic influenza A (H1N1) 2009 virus in children to assess: the incidence of (H1N1) 2009 infections in the 2009/2010 season in Germany, the proportion of subclinical infections and to compare titers in vaccinated and infected children. METHODOLOGY/PRINCIPAL FINDINGS Eight pediatric hospitals distributed over Germany prospectively provided sera from...
BACKGROUND Individuals infected with the 2009 pandemic virus A(H1N1) developed serological response which can be measured by hemagglutination-inhibition (HI) and microneutralization (microNT) assays. METHODOLOGY/PRINCIPAL FINDINGS MicroNT and HI assays for specific antibody to the 2009 pandemic virus were conducted in serum samples collected at the end of the first epidemic wave from various ...
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