نتایج جستجو برای: enzyme immunoassay
تعداد نتایج: 251323 فیلتر نتایج به سال:
background and aims: some nanoparticles can be used in immunoassays to increase sensitivity. this study aimed to evaluate a novel nano-immunoassay based on bovine serum albumin nanoparticles (bsa nps). materials and methods: at first, the nanostructure was synthesized, and then applied as a tag in the nano-immunoassay. then the concentration of β-subunit of human chorionic gonadotropin (βhcg) i...
We have modified the homogeneous enzyme immunoassay of thyroxine and have adapted it to the AutoChemist. Both enzyme immunoassay and radioimmunnoassay procedures were performed on 2016 patients' sera on which thyroxine determinations had been ordered. We find the automated enzyme immunoassay to be precise and accurate, and for the first time it permits total automation of an immunoassay on a mu...
OBJECTIVE The aim of this study was to evaluate the association between lipids and insulin concentration in adolescents. MATERIAL AND METHODS A cross-sectional study of 350 adolescents aged 14-19 years old from a public high school in Guadalajara, in the state of Jalisco, Mexico, was conducted. Fasting insulin concentration was determined using microparticle enzyme immunoassay; total choleste...
Published information on the major interactive variables of enzymic immunoassays for drugs, whether in urine or serum, is scanty. Using the Syva EMIT-dau Barbiturates assay as an example, we examined the following interactive variables with respect to test response: concentrations of enzyme, antibody, and drug; urine matrix; and time. The results suggest a process for optimizing this type of en...
We report a clinical evaluation of the enzyme immunoassay (EMIT) performed with the GEMSAEC centrifugal analyzer as compared to gas-liquid and liquid chromatography for anticonvulsant drugs and theophylline, respectively. A good correlation was obtained for all drugs, although some difficulties were experienced with one lot of reagent for ethosuximide. The analyzer has an economic advantage if ...
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