KR102236812B1 - 생체적합성 고분자-하이드로젤 복합체 및 이의 제조방법 - Google Patents
생체적합성 고분자-하이드로젤 복합체 및 이의 제조방법 Download PDFInfo
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- KR102236812B1 KR102236812B1 KR1020190082201A KR20190082201A KR102236812B1 KR 102236812 B1 KR102236812 B1 KR 102236812B1 KR 1020190082201 A KR1020190082201 A KR 1020190082201A KR 20190082201 A KR20190082201 A KR 20190082201A KR 102236812 B1 KR102236812 B1 KR 102236812B1
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Abstract
Description
도 2은 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 레올로지 분석 결과를 나타낸 것이다.
도3는 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 기계적 물성을 확인한 결과를 나타낸 것이다.
도 4는 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 열중량(TGA)분석 결과를 나타낸 것이다.
도 5은 본 발명의 일 실시예에 따른 하이드로젤 및 젤라틴-하이드로젤 복합체를 3D 프린팅한 구조를 촬영한 것이다.
도 6은 본 발명의 일 실시예에 따른 하이드로젤 및 알부민-하이드로젤 복합체를 3D 프린팅한 구조를 촬영한 것이다.
도 7은 본 발명의 일 실시예에 따른 하이드로젤 및 카르복시메틸 셀룰로오스(CMC)-하이드로젤 복합체를 3D 프린팅한 구조를 촬영한 것이다.
도 8는 본 발명의 일 실시예에 따른 하이드로젤 및 콘드로이친 설페이트(CS)-하이드로젤 복합체를 3D 프린팅한 구조를 촬영한 것이다.
도 9는 본 발명의 일 실시예에 따른 알부민-젤라틴-하이드로젤 복합체를 3D 프린팅한 구조를 촬영한 것이다.
도 10은 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 FTIR 측정 결과를 나타낸 것이다.
도 11은 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 팽윤도를 나타낸 것이다.
도 12는 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 약물방출성능을 실험한 결과를 나타낸 것이다.
도 13은 본 발명의 일 실시예에 따른 3D 프린팅된 (a) 젤라틴-하이드로젤 복합체 및 (b) 알부민-하이드로젤 복합체로부터 오르니다졸 약물방출성능을 실험한 결과를 나타낸 것이다.
도 14는 본 발명의 일 실시예에 따른 하이드로젤 및 고분자-하이드로젤 복합체의 인 비트로(in vitro) (a) 세포증식성 및 부착성 및 (b) 조직재생을 관찰한 것이다.
Claims (5)
- 이중결합을 가지는 산성의 유기화합물,
PPG-에폭사이드[Poly(propylene glycol)diglycidyl ether)],
리포산(Lipoic acid),
디아크릴레이트계 가교제(diacrylate crosslinker),
광 개시제를 포함하는 하이드로젤; 및
젤라틴(gelatin), 알부민(albumin), 콜라겐, 피브린, 피브로인, 피브로넥틴, 키토산, 카르복시메틸 셀룰로오스(Carboxymethyl cellulose, CMC), 콘드로이친 설페이트(Chondroitin sulfate) 및 히알루론산(hyaluronic acid)으로 이루어진 군으로부터 선택된 적어도 하나의 생체적합성 고분자;
로 이루어지는, 고분자-하이드로젤 복합체. - 삭제
- 제1항에 있어서,
상기 하이드로젤 및 생체적합성 고분자는, 3:1 내지 1:1의 중량비를 갖는, 고분자-하이드로젤 복합체. - 제1항에 있어서,
상기 이중결합을 가지는 산성의 유기화합물은, 말레산(Maleic acid), 푸마르산(Fumaric acid), 글루타코닉산(Glutaconic acid), 2-뷰텐-1,4-디카르복실산(2-Butene-1,4-dicarboxylic acid)으로 이루어진 군으로부터 선택되는 어느 하나인, 고분자-하이드로젤 복합체. - (a) PPG-에폭사이드[Poly(propylene glycol)diglycidyl ether)]에 이중결합을 가지는 산성의 유기화합물 및 카페인 촉매를 혼합하여 하이드로젤 전구체 용액을 제조하는 단계;
(b) 상기 하이드로젤 전구체 용액에 리포산을 첨가하여 하이드로젤을 합성하는 단계; 및
(c) 상기 합성된 하이드로젤에 1종 이상의 생체적합성 고분자를 3:1 내지 1:1의 중량비로 혼합하는 단계;
를 포함하고,
상기 생체적합성 고분자는 젤라틴(gelatin), 알부민(albumin), 콜라겐, 피브린, 피브로인, 피브로넥틴, 키토산, 카르복시메틸 셀룰로오스(Carboxymethyl cellulose, CMC), 콘드로이친 설페이트(Chondroitin sulfate) 및 히알루론산(hyaluronic acid)으로 이루어진 군으로부터 선택된 적어도 하나인, 고분자-하이드로젤 복합체 제조방법.
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