نتایج جستجو برای: biochemical assay
تعداد نتایج: 349260 فیلتر نتایج به سال:
چکیده: هدف اصلی اندازه گیری و مقایسه میزان قدرت مهارکنندگی عصاره ها و فراکشن های پلار دو گیاه phlomis rigida و phlomis kurdica بر روی آنزیم تیروزیناز به روش assay mushroom tyrosinase به منظور دستیابی به منابع طبیعی جدید جهت درمان اختلالات ناشی از هایپرپیگمانتاسیون. اهداف فرعی الف) تعیین و مقایسه میزان توتال فنول موجود در عصاره ها و فراکشن های پلار بدست آمده از دو روش عصاره گیری به روش fol...
Escherichia coli O157:H7 is an important human pathogen causing haemorrhagic colitis, haemolyticuraemic syndrom and thrombotic thrombocytopenic purpura. In this study, 100 ground beef samples were collected randomly from beef markets in June 2004. For isolation of the bacteria, samples were firstly enriched in modified trypticase soy broth, followed by plating onto sorbitol MacConkey agar sup...
An estrogen receptor (ER) immunocytochemical assay (ER-ICA) was applied to 115 malignant breast carcinomas and the results were compared to those of steroid binding assays performed on cytosol extracts of the same tumors. Immunoperoxidase (peroxidase-antiperoxidase) staining was performed on frozen sections using rat monoclonal antibody to estrogen receptor H222SP gamma. A preembedding method w...
objective(s):in previous investigations, we have shown para-nonylphenol (p-np) caused significant reduction of proliferation and differentiation of rat bone marrow mesenchymal stem cells (mscs) in vitro. in this study, we first treat the rats with p-np, then carried out the biochemical and morphological studies on mscs. materials and methods: proliferation property of cells was evaluated with t...
Tyrphostins reduce chemotherapy-induced intestinal injury in mice: assessment by a biochemical assay
Characterization of ligands for thyroid receptor subtypes and their interactions with co-regulators.
Thyroid hormone receptors (TRs) are nuclear receptors that are activated by thyroid hormone ligands and co-regulator proteins. Two receptor subtypes, TRalpha and TRbeta, have been suggested to play a role in numerous physiological functions. However, specificity of receptor subtype function and co-regulator interaction is unclear due to the lack of TR subtype-specific ligands. Five TR ligands w...
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