نتایج جستجو برای: serodiagnostic assay
تعداد نتایج: 222017 فیلتر نتایج به سال:
Mycobacterial infections-tuberculosis (TB), bovine tuberculosis (bTB), and Johne's disease (JD)-are major infectious diseases of both human and animals. Methods presently in use for diagnosis of mycobacterial infections include bacterial culture, nucleic acid amplification, tuberculin skin test, interferon-γ assay, and serology. Serological tests have several advantages over other methods, incl...
BACKGROUND & OBJECTIVES Anthrax caused by Bacillus anthracis is primarily a disease of herbivorous animals, although several mammals are vulnerable to it. ELISA is the most widely accepted serodiagnostic assay for large scale surveillance of cutaneous anthrax. The aims of this study were to develop and evaluate a quantitative ELISA for determination of IgG antibodies against B. anthracis protec...
The systematically difficult task of diagnosing Lyme disease can be simplified by sensitive and specific laboratory tests. The currently recommended two-tier test for serology is highly specific but falls short in sensitivity, especially in the early acute phase. We previously examined serially collected serum samples from Borrelia burgdorferi-infected rhesus macaques and defined a combination ...
" tips " given by Dr. Whitman. But he has not thought fit to indicate his opinion as to which of several methods of carrying out a test is the best, and this is, in our view, a pity : for not a few "modifications" of well-known tests that have been given to the world have not stood the strain of experience, whatever their proud originators may think. Dr. Whitman has omitted all mention of Noguc...
In this study, we describe a competitive homogeneous immunoassay that makes use of Förster resonance energy transfer (FRET) in rapid detection of pathogen-specific antibodies. The assay principle is based on competition between a monoclonal antibody (MAb) and serum antibodies to a given antigen. In the assay, named competitive FRET immunoassay (CFRET-IA), the FRET signal is induced if MAb carry...
To improve serodiagnostic methods for the diagnosis of acute toxoplasmosis during pregnancy, a new test system has been developed and evaluated based on the use of recombinant antigens. Five recombinant Toxoplasma gondii antigens (ROP1, MAG1, SAG1, GRA7, and GRA8) were cloned in Escherichia coli, purified, and applied directly onto nitrocellulose membranes in a line assay (recomLine Toxoplasma)...
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