نتایج جستجو برای: polycarbonate peg
تعداد نتایج: 18910 فیلتر نتایج به سال:
Thermal behaviour of blends of a liquid crystalline copoly(ester amide) (Vectra B950) with two isotropic polymers has been studied by differential scanning calorimetry. One of the isotropic polymers is an amorphous polymer — polycarbonate, the other is a semi-crystalline polymer — poly(ethylene terephthalate). It was found that the glass transition temperature of polycarbonate decreases with in...
Laser welding is a novel method for direct joining of metals and polymers, which leads to a mechanical and chemical bond between metal and polymer. In this study, feasibility of dissimilar joining between St12 and polycarbonate is studied theoretically. Then, the ND: YAG laser is implemented to join St12 and Polycarbonate. Empirical results indicate creation of a joint between St12 and polycarb...
Poly(ethylene glycol) (PEG) is increasingly used in clinical and experimental medicine. However, quantification of PEG and PEGylated small molecules remains laborious and unsatisfactory. In this report, we stably expressed a functional anti-PEG antibody on the surface of BALB 3T3 cells (3T3/alphaPEG cells) to develop a competitive enzyme-linked immunosorbent assay (ELISA) for PEG quantification...
Abstract In this work, two catalysts based on polyethylene glycol (PEG) containing sulfonic acid group and the −COOH of citric (CA) were synthesized. Characterization −SO 3 H functionalized PEG has been carried out using FT–IR. The acidity PEG–SO PEG–CA explored to investigate their catalytic efficiency towards eco-friendly production methyl salicylate via esterification salicylic methanol as a...
In the present work, docetaxel (DTX) and retinoic acid (RA) co-loaded micelles were developed for synergistic prostate cancer therapy. PEG-RA RA-PEG-RA synthesized subsequently used loading of DTX RA. The as prepared DTX/RA@RA-PEG-RA exhibit smaller size higher drug capacity compared to DTX/RA@PEG-RA micelles. in vitro release study shows that similar behaviours which exhibits fast RA sustained...
PURPOSE In a retrospective study, we evaluated the complications in using the motility peg system (nonsleeved and sleeved) for hydroxyapatite orbital implants in an anophthalmic socket. METHODS Drilling for motility peg placement was performed in 265 patients with hydroxyapatite implantation: nonsleeved peg system (n = 191), sleeved peg system (n = 74). A statistical analysis was performed us...
AIM To evaluate the complications associated with pegging of porous hydroxyapatite orbital implants. METHODS Complications associated with pegging were retrospectively reviewed from the charts of 100 of 133 patients with hydroxyapatite implantation from 1993 to 2000. RESULTS 48 (48%) of the 100 hydroxyapatite implanted patients who had undergone pegging were found to have problems with thei...
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