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    امروز  سه شنبه - ۶ فروردین - ۱۳۹۸  
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دفترچه سوالات آزمون دکتری مهندسی پلیمر - اسفند 97 مجموعه دروس تخصصی در سطح کارشناسی شامل (شیمی فیزیک پلیمرها، پدیده‌های انتقال (رئولوژی، انتقال حرارت و انتقال جرم)) و کارشناسی ارشد شامل (مبانی پیشرفته مهندسی پلیمر) (با ضریب 4) دفترچه سوالات آزمون دکتری مهندسی ...

PolymPart: Lipid–polymer hybrid nanoparticles (LPHNPs) are next-generation core–shell nanostructures, conceptually derived from both liposome and polymeric nanoparticles (NPs), where a polymer core remains enveloped by a lipid layer. Although they have garnered significant interest, they remain not yet widely exploited or ubiquitous. Recently, a fundamental transformation has occurred in the preparation of LPHNPs, characterized by a transition from a two-step to a one-step strategy, involving synchronous self-assembly of polymers and lipids. Owing to its two-in-one structure, this approach is of particular interest as a combinatorial drug delivery platform in oncology. In particular, the outer surface can be decorated in multifarious ways for active ...

Abstract We vapor print conformal conjugated polymer electrodes directly onto living plants and use these electrodes to probe the health of actively growing specimens using bioimpedance spectroscopy. Vapor-printed polymer electrodes, unlike their adhesive thin-film counterparts, do not delaminate from microtextured living surfaces as the organism matures and do not observably attenuate the natural growth pattern and self-sustenance of the plants investigated here. On-demand, noninvasive bioimpedance spectroscopy performed with long-lasting vapor-printed polymer electrodes can reliably detect deep tissue damage caused by dehydration and ultraviolet A exposure throughout the life cycle of a plant. Download Full ...


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