نتایج جستجو برای: cfe
تعداد نتایج: 346 فیلتر نتایج به سال:
PURPOSE To determine if vitamin A could be one of the factors in serum responsible for the previously observed effect of 20% fetal bovine serum on stimulating clonal growth of an additional subpopulation in limbal cultures, possibly stem cells, but inhibiting that of transient amplifying cells in peripheral corneal cultures. METHODS A reported serum-free clonal growth assay was used. The mito...
There is a great interest in using epithelium generated in vitro for tissue bioengineering. Mouse 3T3 fibroblasts have been used as a feeder layer to cultivate human epithelia including corneal epithelial cells for more than 3 decades. To avoid the use of xeno-components, we evaluated human fibroblasts as an alternative feeder supporting human corneal epithelial regeneration. Five human fibrobl...
Fractional-order circuits are finding applications in control systems, signal processing, and other allied fields. As a result, realizing fractional-order elements or fractance devices is an essential research topic. A unique device realized this study using continued fraction expansion (CFE) partial (PFE) formulas. Continued used to calculate the rational approximation. For simulation, fourth ...
This article presents an analysis of the legislative changes in Mexican electricity sector to explain corporatization process Comisión Federal de Electricidad. I what means Moreover, propose four historical stages give a perspective development public private put extra attention fourth and last period, which matches with neoliberal model. found that political tend model, where achieves maximum ...
Side population (SP) and ABC transporter expression enrich for stem cells in numerous tissues. We explored if this phenotype characterised human bladder cancer stem cells (CSCs) and attempted to identify regulatory mechanisms. Focusing on non-muscle invasive bladder cancer (NMIBC), multiple human cell lines were used to characterise SP and ABC transporter expression. In vitro and in vivo phenot...
PURPOSE To evaluate the use of autologous serum (AS) from patients with severe ocular surface disease (OSD) in the development of transplantable corneal and oral epithelial tissue equivalents and to compare it with the use of conventional culture methods by using fetal bovine serum (FBS). METHODS AS was obtained from patients with severe OSD secondary to Stevens-Johnson syndrome. Corneal and ...
Assembling of the membrane-bound viral replicase complexes (VRCs) consisting of viral- and host-encoded proteins is a key step during the replication of positive-stranded RNA viruses in the infected cells. Previous genome-wide screens with Tomato bushy stunt tombusvirus (TBSV) in a yeast model host have revealed the involvement of eleven cellular ESCRT (endosomal sorting complexes required for ...
HCV NS3 protease variants resistant to the protease inhibitor SCH 503034 were selected. Three mutations, T54A, V170A and A156S mutations conferred low to moderate levels of resistance (<20-fold). Longer exposure (>10 passages) or selection with higher levels of compound led to the selection of a more resistant variant, A156T (>100-fold). [Lin, C., Lin, K., Luong, Y.P., Rao, B.G., Wei, Y.Y., Bre...
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