نتایج جستجو برای: moniru ravâni pur
تعداد نتایج: 835 فیلتر نتایج به سال:
The time course of isocyanate emission from curing PUR-adhesives was studied in an emission test chamber. The adhesives under investigation were commercial products for fixing of textile floor coverings and based on methylene bisphenyl diisocyanate (MDI). Influence of the curing mechanism was studied by comparing the emission curves of one-component adhesive (OCA) and two-component adhesive (TC...
BACKGROUND Experimental disruption of the telomere overhang induces a potent DNA damage response and is the target of newly emerging cancer therapeutics. Introduction of T-oligo, an eleven-base oligonucleotide homologous to the 3'-telomeric overhang, mimics telomere disruption and induces DNA damage responses through activation of p53, p73, p95/Nbs1, E2F1, pRb, and other DNA damage response pro...
There is great scientific and popular interest in understanding the genetic history of populations in the Americas. We wish to understand when different regions of the continent were inhabited, where settlers came from, and how current inhabitants relate genetically to earlier populations. Recent studies unraveled parts of the genetic history of the continent using genotyping arrays and unipare...
A simple one-step technology of wire electrospinning is presented for the manufacturing air-permeable CO2-capturing membranes, easily transferable to industrial production lines. The design chemically-modified polyurethane nanofiber membranes CO2 capture was based on a combination molecular modeling and technological experiments using (i.e., modifying agent dissolved directly in spinning soluti...
Shrimp waste is a common in seafood processing. It used as part of the fish meal which added to feed. Bearing mind Green Deal and sustainability development, it was proposed use northern prawn shells obtain chitosan (Ch), could then be for polyurethane (PUR) modification. In ports, oil micro-spills often flow into waters gulfs and, consequently, sea. Systematic chemical petroleum water pollutio...
Controlled gene silencing technologies have significant, unrealized potential for use in tissue regeneration applications. The design described herein provides a means to package and protect siRNA within pH-responsive, endosomolytic micellar nanoparticles (si-NPs) that can be incorporated into nontoxic, biodegradable, and injectable polyurethane (PUR) tissue scaffolds. The si-NPs were homogeneo...
The process of bone healing requires the restoration of both anatomy and physiology, and there is a recognized need for innovative biomaterials that facilitate remodeling throughout this complex process. While porous scaffolds with a high degree of interconnectivity are known to accelerate cellular infiltration and new bone formation, the presence of pores significantly diminishes the initial m...
To investigate the role that translation plays in the stabilization of the IL-2 mRNA, we inhibited protein synthesis in both cis and trans. To block translation in trans, we utilized the inhibitors puromycin (PUR) and cycloheximide (CHX), which differentially effect polysome structure. We found that CHX enhances the stability of IL-2 mRNA in cells stimulated with anti-TCR Ab alone, but it inhib...
All-trans-retinoic acid stimulates dendritic growth in hippocampal neurons within minutes by activating mitogen-activated protein kinase and mTOR and increasing dendritic translation of calcium calmodulin-dependent protein kinase II alpha and the alpha-amino-3-hydroxyl-5-methyl-4-isoxazole propionate receptor subunit GluR1. Hippocampal neurons express RARalpha in dendrites, and knocking down RA...
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