نتایج جستجو برای: thermo responsive material

تعداد نتایج: 434237  

Journal: :Nanoscale 2015
Jinghua Li Yan Hu Yanhua Hou Xinkun Shen Gaoqiang Xu Liangliang Dai Jun Zhou Yun Liu Kaiyong Cai

To develop carriers for anti-cancer drug delivery, this study reports a biocompatible and thermal responsive controlled drug delivery system based on hollow magnetic nanoparticles (HMNPs). The system is constructed simply by filling the hollow interiors of HMNPs with a phase-change material (PCM), namely, 1-tetradecanol, which has a melting point of 38 °C. The system achieves near "zero release...

Journal: :Molecules 2013
Xin Su Ya Shuai Zanru Guo Yujun Feng

Covalently functionalized multi-walled carbon nanotubes (MWNTs) were prepared by grafting well-defined thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) via click reactions. First, azide-terminated poly(N-isopropylacrylamide) (N3-PNIPAM) was synthesized by reversible addition fragmentation chain-transfer (RAFT) polymerization, and then the N₃-PNIPAM moiety was connected onto MWNTs by click...

A Loghman, S.M.A Aleayoub

Time-dependent creep stress redistribution analysis of thick-walled FGM spheres subjected to an internal pressure and a uniform temperature field is investigated. The material creep and mechanical properties through the radial graded direction are assumed to obey the simple power-law variation throughout the thickness. Total strains are assumed to be the sum of elastic, thermal and creep strain...

2015
Juliane Teichmann Mirko Nitschke Dagmar Pette Monika Valtink Stefan Gramm Frauke V Härtel Thomas Noll Richard H W Funk Katrin Engelmann Carsten Werner

Two established material systems for thermally stimulated detachment of adherent cells were combined in a cross-linked polymer blend to merge favorable properties. Through this approach poly(N-isopropylacrylamide) (PNiPAAm) with its superior switching characteristic was paired with a poly(vinyl methyl ether)-based composition that allows adjusting physico-chemical and biomolecular properties in...

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