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10.1002/adhm.201500156 http://scihub22266oqcxt.onion/10.1002/adhm.201500156 C4817840!4817840!25925212     free     free     free Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 233.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Adv+Healthc+Mater 2015 ; 4 (9): 1386-98 Nephropedia Template TP {{tp|p=25925212|t=2015. A Processable Shape Memory Polymer System for Biomedical Applications |pdf=|usr=}}{{25925212}} gab.com Text A Processable Shape Memory Polymer System for Biomedical Applications JO: Adv Healthc Mater http://www.kidney.de/pget.php?&tw=1&pmid=25925212 #FOAvip Polyurethane shape memory polymers (SMPs) with tunable thermomechanical properties and advanced processing capabilities have been synthesized, characterized, and implemented in the design of a microactuator medical device prototype. The ability to manipulate glass transition temperature (Tg) and crosslink density in low-molecular weight aliphatic thermoplastic polyurethane SMPs is demonstrated using a synthetic approach that employs UV catalyzed thiol-ene ?click? reactions to achieve post-polymerization crosslinking. PUs containing varying C=C functionalization are synthesized, solution blended with polythiol crosslinking agents and photoinitiator and subjected to UV irradiation, and the effects of number of synthetic parameters on crosslink density are reported. Thermomechanical properties are highly tunable, including glass transitions tailorable between 30 and 105°C and rubbery moduli tailorable between 0.4 and 20 MPa. This new SMP system exhibits high toughness for many formulations, especially in the case of low crosslink density materials, for which toughness exceeds 90 MJ/m3 at select straining temperatures. To demonstrate the advanced processing capability and synthetic versatility of this new SMP system, a laser-actuated SMP microgripper device for minimally invasive delivery of endovascular devices is fabricated, shown to exhibit an average gripping force of 1.43 ± 0.37 N and successfully deployed in an in vitro experimental setup under simulated physiological conditions. Twit Text FOAVip A Processable Shape Memory Polymer System for Biomedical Applications ????Adv Healthc Mater http://www.kidney.de/pget.php?&tw=1&pmid=25925212 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=25925212 #FOAvip English Wikipedia <ref>{{Cite pmid|25925212}}</ref> A Processable Shape Memory Polymer System for Biomedical Applications #MMPMID25925212 Hearon K; Wierzbicki MA; Nash LD; Landsman TL; Laramy C; Lonnecker AT; Gibbons MC; Ur S; Cardinal KO; Wilson TS; Wooley KL; Maitland DJ Adv Healthc Mater 2015[Jun]; 4 (9): 1386-98 PMID25925212show ga Polyurethane shape memory polymers (SMPs) with tunable thermomechanical properties and advanced processing capabilities have been synthesized, characterized, and implemented in the design of a microactuator medical device prototype. The ability to manipulate glass transition temperature (Tg) and crosslink density in low-molecular weight aliphatic thermoplastic polyurethane SMPs is demonstrated using a synthetic approach that employs UV catalyzed thiol-ene ?click? reactions to achieve post-polymerization crosslinking. PUs containing varying C=C functionalization are synthesized, solution blended with polythiol crosslinking agents and photoinitiator and subjected to UV irradiation, and the effects of number of synthetic parameters on crosslink density are reported. Thermomechanical properties are highly tunable, including glass transitions tailorable between 30 and 105°C and rubbery moduli tailorable between 0.4 and 20 MPa. This new SMP system exhibits high toughness for many formulations, especially in the case of low crosslink density materials, for which toughness exceeds 90 MJ/m3 at select straining temperatures. To demonstrate the advanced processing capability and synthetic versatility of this new SMP system, a laser-actuated SMP microgripper device for minimally invasive delivery of endovascular devices is fabricated, shown to exhibit an average gripping force of 1.43 ± 0.37 N and successfully deployed in an in vitro experimental setup under simulated physiological conditions. äA Processable Shape Memory Polymer System for Biomedical Applications (epmc).pdf DeepDyve Pubget Overpricing