نتایج جستجو برای: igm capture eia
تعداد نتایج: 140145 فیلتر نتایج به سال:
A biotin-streptavidin system was adapted to an IgM-capture ELISA for detection of dengue antibodies in human sera. To develop this assay, high titers of antibodies to flavivirus were purified by ion-exchange chromatography (DEAE-cellulose) and labeled with biotin. Heavy chain-specific goat anti-human IgM was first bound to the wells of a polystyrene microtiter plate, followed by binding of IgM ...
Chaetomium globosum is one of the most common fungi that grows in damp buildings and occurs in agricultural and forestry workplaces. Using sera from atopic patients, we characterized and purified an extracellular chitosanase (Chg47) from C. globosum that is antigenic to humans. The study reports the production of monoclonal antibodies to the protein. Three capture ELISAs were developed for Chg4...
Chlamydophila pneumoniae, an obligate intracellular human pathogen, has been proven to cause respiratory tract infections (1). Among the diagnostic methods for detecting C. pneumoniae, serological testing is currently the most common tool used to make the C. pneumoniae infection diagnosis. In Asia, most clinicians and researchers use a commercial serologic test kit, enzyme-linked immunosorbent ...
Arthropod-borne viral infections associated with a fever outbreak in the northern province of Sudan.
An outbreak of acute febrile illness occurred during August and September 1989 in the Northern Province of Sudan coinciding with a high population density of phlebotomine sandflies. An investigation was conducted to determine whether arboviruses were associated with human illness during this outbreak. Sera were obtained from 185 febrile individuals and tested for IgG and IgM antibody to selecte...
Mumps virus infection is normally diagnosed by serologic testing. Identification of mumps-specific IgM antibodies in serum or plasma by enzyme immunoassay analysis (EIA) in samples taken during the acute phase is the most-widely used serologic test for the diagnosis of mumps, due to its simplicity, high sensitivity and specificity. When the infection cannot be confirmed by serologic tests, the ...
BACKGROUND A pilot neonatal screening programme revealed a high (approximately 1 per 4800 live births) prevalence of congenital toxoplasmosis (CT) in the State of Rio Grande do Sul, Brazil. The purpose of this paper was to estimate in a larger prospective study the prevalence of CT in the country. METHODS At the beginning of the study, an in-house indirect enzyme immunoassay (EIA) was used, t...
We describe new methods for the detection of immunoglobulin G (IgG) and IgM rubella-specific antibodies in serum. The IgG assay was based on a solid-phase rubella antigen immobilization approach, and the IgM assay was based on the IgM capture assay principle. Both assays used biotinylated antibodies (anti-human IgG and antirubella monoclonal antibody, respectively). The tracer system was based ...
Human papillomavirus (HPV) infection is the major cause of cervical cancer and its precursor, cervical intraepithelial neoplasia (CIN), and HPV testing has therefore been proposed for improved triaging and follow-up of women treated for CIN. We compared two common HPV DNA detection tests (Hybrid Capture II [HCII] and PCR-enzyme immunosorbent assay (EIA) using the primers GP5+/GP6+ followed by H...
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