نتایج جستجو برای: bio guided assay
تعداد نتایج: 373347 فیلتر نتایج به سال:
Bio-guided screening is an important method to identify bioactive compounds from fungi. In this study we applied a fast digital time-lapse microscopic method for assessment of the antibacterial properties of secondary metabolites from the fungal genus Fusarium. Here antibacterial effects could be detected for antibiotic Y, aurofusarin, beauvericin, enniatins and fusaric acid after six hours of ...
Research use only (RUO) assays do not undergo a validation process similar to test kits used for clinical purposes. Several studies have suggested that RUO assays need to be validated prior to use in any research studies. We evaluated a research use only Luminex platform based assay for measuring serum procalcitonin levels (Bio-Plex ProTM Human Acute Phase Multiplex Assay, Bio-Rad Laboratories,...
BACKGROUND The small molecule 6-bromoindirubin-30-oxime (BIO), a glycogen synthase kinase 3 (GSK3) inhibitor, is a pharmacological agent known to maintain self-renewal in human and mouse embryonic stem cells (ESCs). However, the precise role of GSK3 in immortalized pancreatic mesenchymal stem cells (iPMSCs) growth and survival is not completely understood at present. RESULTS To determine whet...
BACKGROUND Combretum vendae A.E. van Wyk (Combretaceae) is used for the treatment of bacterial related infections and oxidative related diseases by indigenous people of South Africa. Dried leaves extracts of C. vendae were investigated for bioactivity against a variety of bacterial strains and their antioxidant potential evaluated. MATERIALS AND METHODS Constituents of leaf material were seri...
Microbial communities in the endosphere of Salicaceae plants, poplar (Populus trichocarpa) and willow (Salix sitchensis), have been demonstrated to be important for plant growth promotion, protection from biotic and abiotic stresses, and degradation of toxic compounds. Our study aimed to investigate bio-control activities of Salicaceae endophytes against various soil borne plant pathogens inclu...
Introduction & Objective: According to some study, wnt signaling pathway is among those molecular pathways that involve in cellular proliferation and bone differentiation. On the other hand, investigations have indicated that 6-bromoindirubin-3´-oxim (BIO) is able to activate this pathway. In the present study, effect of BIO on in vitro proliferation and bone differentiation of mesenchymal ...
sheet Name of the diagnostic kit: Platelia Rabies II Manufacturer: Bio-Rad OIE Approval number: 20070101 Date of Registration: May 2007 Disease: Rabies Pathogen Agent: Rabies virus Type of Assay: The PLATELIA RABIES II kit is an in vitro diagnostic indirect ELISA test. Purpose of Assay: Certified by the OIE in May 2007 as fit for purpose to determine immune status post-vaccination in individual...
Results from recent HIV-1 vaccine studies have indicated that high serum antibody (Ab) titers may not be necessary for Ab-mediated protection, and that Abs localized to mucosal sites might be critical for preventing infection. Enzyme-linked immunosorbent assay (ELISA) has been used for decades as the gold standard for Ab measurement, though recently, highly sensitive microsphere-based assays ha...
ارائه یک روش سریع، تکرارپذیر و حساس کروماتوگرافی مایع با کارایی بالا (hplc) برای سنجش نیستاتین در فرمولاسیون دارویی و مقایسه با روش سنجش میکروبی (bio assay) به عنوان روش مرجع که در usp عنوان گردیده است در دستور کار این تحقیق قرار گرفته است. بهینه سازی این روش با تغییر پارامتر هایی مانند سرعت جریان، ph ، دما، غلظت بافر استات آمونیوم و نسبت فاز آلی/آبی انجام شد. جهت بررسی دقت و کارایی روش مورد نظ...
ETHNOPHARMACOLOGICAL RELEVANCE Aqueous extracts of Cymbopogon citratus (Cy) leaves are used in traditional medicine for the treatment of inflammatory conditions, however, little is known about their mechanism of action. AIM OF THE STUDY The aim of this study is to explore the anti-inflammatory properties of Cymbopogon citratus leaves and their polyphenol-rich fractions (PFs), as well its mech...
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