نتایج جستجو برای: atrp
تعداد نتایج: 663 فیلتر نتایج به سال:
Surface immobilised polymer brushes containing azobenzene units were prepared using a combination of microcontact chemistry and surface-initiated atom transfer radical polymerisation (SI-ATRP). These brushes were investigated using AFM, XPS and UV/vis spectroscopy. It was shown that two surfaces bearing azobenzene brushes can be glued together in the presence of a β-cyclodextrin polymer and hol...
As a way to control the surface properties of nanowires and nanotubes, we present a method for growing polymer from the surface of silicon/silica core/shell nanowires. After modification of nanowire surfaces with polymer initiators, Atom Transfer Radical Polymerization (ATRP) was used to grow methacrylate polymer chains from the surface. The resulting structures were characterized by SEM, TEM, ...
Activators regenerated by electron transfer (ARGET) atom radical polymerization (ATRP)-based aqueous miniemulsion where the takes place in stabilized monomer droplets is described. In this work, we compared styrene, n-butyl methacrylate (nBMA) and tert-butyl (tBMA) investigated influence of their hydrophobicity on dispersity, molecular weight particle stability based partition coefficients (log...
امکان استفاده از پلیمر طبیعی سلولوز به عنوان الیاف طبیعی در کاربردهای صنعتی به دلیل برخی خواص آن از جمله آبدوستی شدید و واکنشپذیری محدود، مشکل است. برای رفع این عیب، سلولوز باید به روش شیمیایی اصلاح شود. از روشهای معمول، پیوندزدن مونومرهای سنتزی به سطح سلولوز و کاهش خاصیت آبدوستی آن است. در پژوهش حاضر، پلیآکریلو نیتریل به سلولوز به روش پلیمرشدن رادیکالی انتقال اتم (ATRP) پیوند زده شد....
Erythrocytes have been described as advantageous drug delivery vehicles. In order to ensure an adequate circulation half-life, erythrocytes may benefit from protective enhancements that maintain membrane integrity and neutralize oxidative damage of membrane proteins that otherwise facilitate their premature clearance from circulation. Surface modification of erythrocytes using rationally design...
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