نتایج جستجو برای: co cultivation
تعداد نتایج: 364699 فیلتر نتایج به سال:
The derivation of hepatocytes from human induced pluripotent stem cells (hiPSC) is of great interest for applications in pharmacological research. However, full maturation of hiPSC-derived hepatocytes has not yet been achieved in vitro. To improve hepatic differentiation, co-cultivation of hiPSC with human umbilical vein endothelial cells (HUVEC) during hepatic differentiation was investigated ...
Background and purpose: Ëmbryo co-culture systems with somatic cells have been a subject of extensive study as valuable tools to promote embryo in vitro development. The aim of this study was to evaluate, the Ëffects of a special kind of co-culture system in which somatic cells were cultured as polarized monolayer on mouse embryo development. Materials and methods : Human oviduct was obtai...
Adverse health effects have been associated with dampness and microbial exposure in buildings, but the possible pathophysiological mechanisms behind these effects are still poorly understood. Although previous studies have shown that certain microbes and microbial components have clear inflammatory and cytotoxic potentials, the complex mixture of microbial species, their spores, metabolites and...
Vertisols are important agricultural soils in the region. These soils are under various vegetables, sunflower and wheat cultivation. Fifteen soil sites were selected in this research. This research was carried out to determine background levels of total and DTPA extractable Fe, Mn, Zn, Cu, Ni, Cr, Pb, Co, and Cd with some important soil properties.
Hydrolysis of cellulose and hemicelluloses into fermentable sugars is the primary step for the production of fuels and chemicals from lignocellulosic biomass, and is often hindered by the high cost of cellulolytic and hemicellulolytic enzymes. In the present study coand monocultures of Penicillium sp. AKB-24 and Aspergillus nidulans AKB-25 were used under a variety of fermentation conditions to...
Nowadays, genetic engineering methods are able to reduce the time of breeding programs for improvement of fruit trees, as well as offering a focused breeding system. The purpose of the present investigation was to study the factors that affect Agrobacterium tumefacience mediated transformation of two pear cultivars: Bartlett and Harrow Delight. Two explants (leaves and axillary shoot meristems)...
a stable agrobacterium-mediated transformation system was established using bialaphos as the selective agent in soybeans [glycine max (l.) merr.]. the cotyledonary node explants of the soybean cultivar ‘ny-1001’ were inoculated with the agrobacterium tumefaciens strain eha105, harboring the vector pcambia3301 containing the gus gene as the reporter gene and the bar gene conferring bialaphos res...
The objectives of this study were to determine an optimal cultivation time for populations of yeast and lactic acid bacteria (LAB) co-cultured in fermented milk and effects of soybean meal fermented milk (SBMFM) supplementation on rumen degradability in beef cattle using nylon bag technique. The study on an optimal cultivation time for yeast and LAB growth in fermented milk was determined at 0,...
Abstract This study investigated and compared several improvement strategies to increase the yield quality of exopolymeric substances (EPS) from Bacillus cereus . includes co-culturing B. with Trichoderma asperellum , cultivation in media metal (Zn) stress supplementation molasses. EPS is subsequently extracted these different cultures subjected characterization removal tests single-metal syste...
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