نتایج جستجو برای: competitive elisa test
تعداد نتایج: 931681 فیلتر نتایج به سال:
The mathematical model for predicting the precision, limit of detection (LOD) and range of quantitation (ROQ) in a competitive enzyme-linked immunosorbent assay (ELISA) proposed by Hayashi et al. (Anal. Chem., 2004, 76, 1295) was validated. The model describes the relative standard deviation (RSD) of concentration estimates by the RSDs of pipetting volumes of analyte, enzyme-conjugated antigen,...
BACKGROUND Tsetse flies are the main vectors of human and animal African trypanosomes. The Tsal proteins in tsetse fly saliva were previously identified as suitable biomarkers of bite exposure. A new competitive assay was conceived based on nanobody (Nb) technology to ameliorate the detection of anti-Tsal antibodies in mammalian hosts. METHODOLOGY/PRINCIPAL FINDINGS A camelid-derived Nb libra...
A competitive enzyme-linked immunosorbent assay (C-ELISA) which detects antibodies unique to rinderpest virus (RPV) has been developed. This test can differentiate antibodies against RPV and those against peste des petits ruminants virus. The recombinant RPV hemagglutinin (H)-protein C-ELISA (recH C-ELISA) is based on the ability of a well-characterized monoclonal antibody (MAb) produced with t...
The bioterrorism-associated human anthrax epidemic in the fall of 2001 highlighted the need for a sensitive, reproducible, and specific laboratory test for the confirmatory diagnosis of human anthrax. The Centers for Disease Control and Prevention developed, optimized, and rapidly qualified an enzyme-linked immunosorbent assay (ELISA) for immunoglobulin G (IgG) antibodies to Bacillus anthracis ...
The use of reverse transcription (RT) PCR for relative quantitation of gene transcripts relies on the reproducibility of the individual RT, PCR and product measurement steps. Semi-competitive RT-PCR (RT-cPCR) uses an internal competitor template in the PCR step to improve quantitation. We have surveyed the reproducibility of RT, PCR, RT-cPCR and measurement, amplifying the glyceraldehyde-3-phos...
Hybridomas producing monoclonal antibodies (MAbs) directed against P. vivax erythrocytic stage antigens were isolated. Here, we describe the production of six MAbs. Culture supernatant from growing hybridomas was tested for their reactivity with P. vivax erythrocytic stages by ELISA against P. vivax crude (PvC) antigen and by immunofluorescence assay on P. vivax infected erythrocyte smears. P. ...
objective: herpes simplex virus (hsvs) is a widespread human infectious agent, responsible for persistent and latent infections. herpes simplex virus infections are usually continually recurrent in the normal population and represent a significant cause of complications in immunocompromised patients. materials and methods: in this study hsvs were propagated in bk cells and more than 502 sample...
background and aims: helicobacter pylori (h. pylori) is the microorganism that infects nearly half of word's population. there are several invasive and non-invasive methods for diagnosis of infection. the main objective of this study was to evaluate antigen of h. pylori in feces with h. pylori stool antigen (hpsa) test and comparison with rapid urease test (rut) in the patients suspected t...
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