نتایج جستجو برای: cross elisa
تعداد نتایج: 531960 فیلتر نتایج به سال:
Norovirus (NoV) capsid proteins were expressed as virus-like particles (VLPs) by using recombinant baculovirus in insect cells, which had 5 genotypes in genogroup I and 11 genotypes in genogroup II, and the VLPs were used as immunogens. Polyclonal antibody against the VLP of GII/3 genotype showed broad-range cross-reactivity, reacting not only with intra-genogroup strains, but also inter-genogr...
In New Zealand, an arbovirus surveillance program has been operating for more than 20 years, which includes testing of cattle with the Akabane virus neutralization test. With the aim to replace this laborious test by an easier-to-perform enzyme-linked immunosorbent assay (ELISA), 2 commercial ELISA kits, ELISA-1 from France (originally from Australia) and ELISA-2 from Japan, were compared, usin...
The reactions of human and bovine retinal S-antigen (S-ag) with polyclonal rabbit antibodies were compared in ELISA, immunoblotting and inhibition ELISA. Titrations in ELISA with plastic-adsorbed S-ags revealed that the great majority (70-100%) of human S-ag epitopes and anti-human S-ag antibodies were cross-reactive. In contrast, the cross-reactivity of bovine S-ag (25%) and anti-bovine S-ag a...
A polyclonal antibody (Ab) for the progestin levonorgestrel (LNG) was generated, and immunochemical assays for its detection, clean-up and concentration were developed. A highly specific microplate diagnostic assay for the detection of LNG was developed that used the enzyme linked immunosorbent assay (ELISA) method. The LNG ELISA developed was sensitive and reproducible; it exhibited I(50) and ...
With 7-aminoflunitrazepam (7-amino-FM2)-specific ELISAs now readily available from several commercial sources (e.g., Cozart Bioscience, Immunalysis, this study was conducted to evaluate the performance characteristics of these products when applied to the two-step testing protocol as commonly practiced in today's workplace drug-testing programs. Cross-reacting characteristics of these two assay...
Orchard workers in north China are highly exposed to orchard pollens, especially peach and other Rosaceae family pollens during pollination season. The aim of this study was to investigate whether occupational allergy to peach tree pollen as a member of Rosaceae family is IgE-mediated and to evaluate the cross-reactivity among Rosaceae family pollens. Allergen skin test and conjunctival challen...
BACKGROUND There is increasing evidence that bird fanciers may develop airborne allergies to unusual allergens. OBJECTIVE To detect the allergen source in a bird fancier with a history of asthma associated with bird cage cleaning activities and with contact with a Brazil parrot. METHODS SPT with a large series of both airborne and food allergens were carried out. IgE reactivity to allergens...
Current diagnostic tests for tick-borne encephalitis virus (TBEV) infections require high-biosafety facilities for antigen preparation and can cross-react with other flaviviruses. There is, therefore, a need to develop safe, inexpensive serodiagnostic tools with high specificity and sensitivity. In this study, a recombinant plasmid that expresses the membrane and envelope (E) proteins of TBEV f...
The serological cross reactions between Mycoplasma conjunctivae, the etiological agent of infectious keratoconjunctivitis (IKC), and the antigenetically and phylogenetically closely related Mycoplasma ovipneumoniae, which is often found in sheep, were analysed. Cross reacting antigens were identified using sera from sheep with IKC and from sheep of herds known to be free of IKC, as well as rabb...
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