نتایج جستجو برای: antigen detection
تعداد نتایج: 749894 فیلتر نتایج به سال:
a new signal amplification strategy based on simultaneous application of gold nanoparticles (aunps) and horseradish peroxidase (hrp) was employed to improve the sensitivity of an electrochemical immunoassay for detection of human igg (higg), as a model antigenic protein. this immunoassay system was fabricated on magnetic carboxyl-functionalized multi-walled carbon nanotubes (cooh-mwcnt/fe3o4 na...
Immunoglobulin M (IgM) antibodies to Epstein-Barr virus were detected by using microtiter plates coated with anti-mu-chain antiserum and enzyme-labeled Epstein-Barr virus antigen. Optimum conditions for labeling were determined. The addition of unlabeled control antigen to the enzyme-labeled antigen was effective in reducing background reactions. Rheumatoid factor no longer interfered. Blocking...
Objective: To describe and molecularly characterize an outbreak of dengue virus (DENV) infection in Cajamarca, Andean region Peru.Methods: A total 359 serum samples from patients with acute febrile illness were assessed for the presence DENV via RT-PCR, ELISA NS1, IgM IgG Peru January 2017 to June 2017. The evaluation different diagnostic tests their applicability was performed.Results: Dengue ...
Advances in diagnostic assays for parasitic diseases include the use of monoclonal antibodies (MAbs) in antigen capture and competitive inhibition enzyme-linked immunosorbent assays (C-ELISA). Antigen capture ELISAs for Anaplasma marginale and Cryptosporidium parvum provide direct detection of these parasites during clinical disease, and the C-ELISA format has been adapted for detection of anti...
The genus Entamoeba contains many species, six of which (Entamoeba histolytica, Entamoeba dispar, Entamoeba moshkovskii, Entamoeba polecki, Entamoeba coli, and Entamoeba hartmanni) reside in the human intestinal lumen. Entamoeba histolytica is the causative agent of amebiasis in humans with a worldwide distribution. Correct detection of E.histolytica is frequently a major concern in diagnostic ...
Background: Shigella is among the most important human pathogenic microorganisms, infecting both humans and nonhuman and causing clinically severe diarrhea. Shigella must be enriched before detection, which is time-consuming.Objectives: To develop a sensitive, rapid, and specifc method for Shigella detection.Materials and Methods: S...
Background and purpose: Rapid detection of Staphylococcus aureus in clinical specimens is essential to minimize the transfer and spread of this pathogen. An appropriate method for rapid and suitable detection of S. aureus is detection of one of its genes. The aim of this study was to identify the S. aureus using scaF gene. Material and Methods: The study was conducted on 45 isolates of S. a...
The need for antibody proteins is growing both diagnosis and therapy. In this work, we combine two strategies based on single nanopore sensing multipore membrane to separate, detect identify antibodies. This proof of concept was done the anti-CD44. a first step, with bullet shape were designed using track-etching polymer film functionalized, PEG spacer CD44 antigen. detection anti-CD44 evidence...
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