نتایج جستجو برای: bio guided assay
تعداد نتایج: 373347 فیلتر نتایج به سال:
Halocnemum strobilaceum is a halophyte present in the humid and arid bioclimatic regions of Egypt. The current study aimed at UPLC/PDA/ESI-MSn qualitative chemical profiling of the phytoconstituents underlining both antioxidant and cytotoxic activities of the bio-active fraction in comparison with the other fractions. It resulted in detection of several related compounds to prenylated flavonol ...
growing interest to use natural preservatives and spices with antimicrobial effects and large amounts of floral bio-residues (92.6 g per 100 g) generated and wasted in the production of saffron spice guided this study to evaluate the opportunity to expand the uses of c. sativus flowers (petals and stamens), beyond the spice (dried stigmas). the antibacterial potential of total extracts and di...
Halocnemum strobilaceum is a halophyte present in the humid and arid bioclimatic regions of Egypt. The current study aimed at UPLC/PDA/ESI-MSn qualitative chemical profiling of the phytoconstituents underlining both antioxidant and cytotoxic activities of the bio-active fraction in comparison with the other fractions. It resulted in detection of several related compounds to prenylated flavonol ...
Recently, the field of predicting phenotypes of externally visible characteristics (EVCs) from DNA genotypes with the final aim of concentrating police investigations to find persons completely unknown to investigating authorities, also referred to as Forensic DNA Phenotyping (FDP), has started to become established in forensic biology. We previously developed and forensically validated the Iri...
High quality in vitro expansion of human endothelial progenitor cells of human umbilical vein origin
The limited availability of qualified endothelial progenitor cells (EPCs) is a major challenge for regenerative medicine. In the present study, we isolated human EPCs from human umbilical vein endothelial cells (HUVECs) by using magnetic micro-beads coated with an antibody against human CD34. Flow cytometric assay showed that majority of these cells expressed VEGFR2 (KDR), CD34 and CD133, three...
The current study evaluated the general toxicity, antioxidant, antimicrobial, and cytotoxic activity of extracts obtained from the rhizomes of Eremostachys azerbaijanica (Labiatae) as well as analyzed the potent extracts using GC-MS. Extracts of E. azerbaijanica in n-hexane, dichloromethane (DCM) and methanol (MeOH) were prepared using a Soxhlet apparatus. The antioxidant activity of the extrac...
Tumor pretargeting with biotinylated antibodies and avidin, followed by a delayed delivery of radioactive-labeled biotin, is currently used for in vivo diagnosis and therapy in cancer patients. Herein, we describe the use of a three-step antibody/avidin targeting approach to increase the local concentration and the persistence of biotinylated human tumor necrosis factor alpha (bio-TNF) on a mou...
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