نتایج جستجو برای: sandwich elisa
تعداد نتایج: 54982 فیلتر نتایج به سال:
We recently reported that urinary excretion rates of angiotensinogen (U(AGT)) provide a specific index of intrarenal renin-angiotensin (ANG) system (RAS) status in ANG II-dependent hypertensive rats. When this is shown to be applicable to human subjects, a diagnostic test to identify those hypertensive patients most likely to respond to an RAS blockade could provide useful information to allow ...
A fully automated flow-injection immunoassay based on sandwich enzyme-linked immunosorbent assay (ELISA) is described for the model system: protein G-sepharose, rabbit IgG and horseradish peroxidase (HRP)-labelled protein A. After injecting rabbit IgG and HRP-labelled protein A into a cartridge containing protein G-sepharose sequentially, a mixture of hydrogen peroxide and the redox indicator, ...
Alkylhydroperoxide reductase (AhpC, the 26 kDa antigen) is one of the abundant antioxidant enzymes in Helicobacter pylori and seems to have a good potential for use in development of immunoassays to detect H. pylori infection in clinical specimens. This study aimed to investigate some properties of this antigen by the produced monoclonal antibodies. Five established hybridoma cell lines secreti...
Sandwich enzyme-linked immunosorbent assay (ELISA) was developed for the quantitative estimation of Clostridium perfringens enterotoxin (CPE) with monoclonal and polyclonal antibodies as capturing and detecting antibodies, respectively. The dose-dependent relationship between absorbance at 405 nm and concentration of purified CPE was obtained over the range of 0.64-400 ng/ml. The sandwich ELISA...
A field applicable diagnostic technique, the dipstick assay, was evaluated for its sensitivity and specificity in diagnosing human Schistosoma mansoni infection. A monoclonal antibody (mAb) against S. mansoni adult worm tegumental antigen (AWTA) was employed in dipstick and sandwich ELISA for detection of circulating schistosome antigen (CSA) in both serum and urine samples. Based on clinical a...
A sensitive and specific monoclonal antibody-based sandwich enzyme-linked immunosorbent assay (ELISA) was established and validated for the detection of staphylococcal enterotoxin A (SEA). After routine fusion and selection, 10 monoclonal antibodies showed high affinity for SEA. An optimal pair for sandwich ELISA was selected by pairwise interaction analysis. After optimization, the limit of de...
Introduction: It is estimated that one-third of the world’s population is infected with M. tuberculosis. Also we came to know that the numbers of TB cases are on the rise in our rural based tertiary care hospital. We searched for Mycobacterium tuberculosis antigen in the serum of patients with pulmonary TB by developing Sandwich ELISA. Materials & Methods: We took 50 pulmonary TB patients, 50 d...
Giardiasis is endemic in all regions of the world. Giardia lamblia (G. lamblia) cysts are spread in Egypt via the fecal-oral route, through ingestion of the cyst with contaminated food or water. The symptoms of giardiasis vary from the asymptomatic passage of cysts to chronic diarrhea, malabsorption and weight loss. Although microscopy has the advantage of low cost and ability to simultaneously...
Background: Platanus species are widely cultured around the world and considered an important cause of allergic reactions. In the present study, we developed a sandwich ELISA to quantify Pla or 3 allergen in P. orientalis pollen extracts grown near high-traffic roads and compared it to pollen extracts collected from rural areas as control. Methods: Pollen samples were collected from three po...
Advanced and Commonly Used Serological Techniques for Detection and Diagnosis of Plant Virus: Review
Plant diseases caused by viruses are the most menace to sustainable agriculture, leading numerous billion dollars in losses annually. Proper and accurate detection of plant is always key developing appropriate solutions manage economic them. Advances technology have simplified tools available detect diagnose at a time when control measures should be used. Currently, nucleic acid serological bas...
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