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Received April 10, 2008
Accepted May 8, 2008
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은 나노입자를 담지한 collagen/silica microsphere 복합체의 제조
Preparation of Silica/collagen Microsphere Composit Doped with Silver Nanoparticles
인하대학교 공과대학 화학공학과, 402-751 인천시 남구 용현동 253
Department of Chemical Engineering, Inha University, 253 Yonghyun-dong, Nam-gu, Incheon 402-751, Korea
Korean Chemical Engineering Research, August 2008, 46(4), 722-726(5), NONE Epub 10 September 2008
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Abstract
실리카 microsphere는 HPLC를 위한 흡착 충진제와 같은 용도로 사용하기에 적합한 혁신적인 소재로 널리 알려져 있다. microsphere을 기능성고분자나 금속, 생리활성 물질과 같은 특정한 성질을 지닌 물질로 표면 개질시키므로 다양한 용도로 활용할 수 있다. 콜라겐은 생체조직을 구성하는 기본 단백질로 생체적합성이 뛰어난 물질로 주목받고 있는 기능성 소재이다. 본 연구에서는 50% 이상의 세공부피를 지닌 다공성 silica microsphere를 고분자 응집법인 PICA 법을 이용하여 colloidal silica로부터 제조하고 콜라겐 hydrogel을 사용하여 표면 개질시키므로 생체적합성을 증진시키는 방법을 연구하였다. 실리카/콜라겐 microsphere 에 은 나노입자를 담지시킨 microsphere 복합체를 만들고 특성을 조사 하므로 생체소재로의 활용 가능성을 조사하였다.
Silica microsphere is a world leading innovative material used in adsorbent packing materials in HPLC technology. The application of microsphere lies in the ability to the surface modification of silica with the special materials such as polymers, metals and bio-active materials. Collagen is a major structural protein of connective tissues and has a good biocompatibility. In this study, we prepared the purified silica porous microsphere, having micro diameters in the range of a pore volume at least 50% by the aggregation procedure of colloidal silica with the polymerization method (PICA). The microspheres were modified by collagen hydrogel to improve the biocompatible properties for biomedical product. The silica/collagen microsphere composite doped with silver nanoparticles was prepared and investigated the capabilities of biomaterial application through the evaluation of the structure characteristics of the microsphere composit.
Keywords
References
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