SYNTHESIS AND PHYSICOCHEMICAL EVALUATION OF MALEIC ANHYDRIDE-GRAFTED-POLY(D,L-LACTIDE-CO-GLYCOLIDE) AS FUNCTIONAL STENT COATING FOR LOCALIZED GENE DELIVERY
文献类型: 会议论文
第一作者: Guilei Ma
作者: Guilei Ma 1 ; Mei Yu 1 ; Mingming Chen 1 ; Cunxian Song 1 ;
作者机构: 1.The Tianjin Key Laboratory of Biomaterials, Institute of Biomedical Engineering, Peking Union Medical College & Chinese Academy of Medical Sciences, Tianjin 300192, China
关键词: localized gene delivery;covalent immobilization;PLGA;maleic anhydride;graft
会议名称: Symposium on innovative polymers for controlled delivery
主办单位:
页码: 384-386
摘要: The present study describes a novel strategy to covalently immobilize genes onto inert PLGA films via -CONH-cross-links. PLGA with functional carboxylic acid groups was synthesized using free-radical grafting maleic anhydride (MA) groups onto the polymer backbone. Cationic PEI/DNA complexes were successfully immobilized onto the functional PLGA films and characterized by ATR-FTIR and SEM analysis. We conclude that robust PLGA with functional carboxylic groups is a suitable platform for localized gene delivery.
分类号: R318.08`R318.08
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