KR101436722B1 - 나노섬유형 생체고분자/생체활성 유리 복합 지지체의 제조방법 및 그에 의해 제조된 나노섬유형 생체고분자/생체활성 유리 복합지지체 - Google Patents
나노섬유형 생체고분자/생체활성 유리 복합 지지체의 제조방법 및 그에 의해 제조된 나노섬유형 생체고분자/생체활성 유리 복합지지체 Download PDFInfo
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- KR101436722B1 KR101436722B1 KR1020130015021A KR20130015021A KR101436722B1 KR 101436722 B1 KR101436722 B1 KR 101436722B1 KR 1020130015021 A KR1020130015021 A KR 1020130015021A KR 20130015021 A KR20130015021 A KR 20130015021A KR 101436722 B1 KR101436722 B1 KR 101436722B1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/40—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material
- A61L27/44—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix
- A61L27/446—Composite materials, i.e. containing one material dispersed in a matrix of the same or different material having a macromolecular matrix with other specific inorganic fillers other than those covered by A61L27/443 or A61L27/46
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
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Abstract
Description
도 2는 실시예에 의해 제조된 생체고분자/생체활성유리 복합체 나노섬유 지지체의 전형적인 주사 현미경(SEM) 사진 및 지지체의 나노섬유 구조를 나타낸 사진이다(실리카 함량이 A,D: 0 wt%, B, E: 10 wt% C, F: 30 wt%).
도 3은 실시예 및 비교예에 의해 제조된 순수 생체고분자 나노섬유 지지체(A) 및 생체고분자/생체활성유리 복합 나노섬유 지지체(B)의 화학적 조성 및 구조를 나타내는 EDS 그래프 및 맵핑 기술을 이용한 Si(C) 및 Ca(D)원소의 분포도이다.
도 4는 순수 생체고분자 나노섬유 지지체(A), 생체고분자/생체활성유리 복합 나노섬유 지지체(B, C, D)의 화학적 조성 및 구조를 나타내는 FT-IR 스펙트럼이다.
도 5은 순수 생체고분자 나노섬유 지지체(A), 생체고분자/생체활성유리 복합 나노섬유 지지체(B, C)의 기계적 물성을 나타내는 압축 응력 변형(Compressive stress-strain) 이다.
도 6은 순수 젤라틴 나노섬유 지지체(A), 생체고분자/생체활성유리 복합 나노섬유 지지체(B)의 생체분해성을 질량감소율로 나타낸 그래프이다.
도 7은 생체고분자/생체활성유리 복합 나노섬유 지지체의 생체활성유리의 생체분해도를 누적하여 나타낸 그래프이다(A). B는 A의 자료를 1차 함수로 나타내어 생체활성유리의 용출을 정량하였으며 C 는 생체활성유리가 용출된 용액의 생체활성유리의 농도를 나타낸 막대그래프이다.
도 8은 생체고분자/생체활성유리 복합 나노섬유 지지체를 하루동안 SBF 용액에 침적시킨 후의 SEM 사진(A, B), 화학적 구조를 나타내는 ATR-FTIR 스펙트럼(C) 및 화학적 조성을 나타내는 EDS 스펙트럼(D)이다.
도9는 생체고분자/생체활성유리 복합 나노섬유 지지체의 생체 친화성을 평가하기 위한 세포실험 수행 후의 1일간 세포 배양한 경우(A, B) 및 3일간 세포 배양한 경우(C, D)의 CLSM(confocal laser scanning microscope) 사진이다.
도10은 순수 생체고분자 나노섬유 지지체(A), 생체고분자/생체활성유리 복합 나노섬유 지지체(B, C)의 밀도, 기공도, 압축응력에 대한 탄성계수를 정리한 것이다.
Claims (14)
- 생체고분자, 물 및 순수 알코올을 포함하는 생체고분자 용액;과 생체활성유리 용액의 혼합물을 동결하여 열유도 상분리를 수행하고, 용매교환 및 동결건조하는 것을 포함하는 나노섬유형 생체고분자/생체활성유리 복합 지지체의 제조방법.
- 삭제
- 삭제
- 제1항에 있어서 물과 순수 알코올의 비율이 1:0.5 내지 1: 1인 방법.
- 제1항에 있어서, 생체활성유리 용액은 칼슘 및/또는 인을 포함하는 것인 방법.
- 제1항에 있어서, 생체고분자는 콜라겐, 키토산, 젤라틴 또는 이들의 혼합물인 것인 방법.
- 제1항에 있어서, 생체활성유리는 테트라메틸 오르토실리케이트 또는 테트라에틸 오르토실리케이트인 것인 방법.
- 제1항에 있어서, 생체고분자/생체활성유리 복합 지지체는 생체활성유리를 총 중량의 10 내지 30 중량 % 로 포함하는 것인 방법.
- 제1항에 있어서, 생체고분자 용액과 생체활성유리 용액의 혼합은 35 내지 50 ℃에서 이루어지는 것인 방법.
- 제1항에 있어서, 열유도 상분리는 -60 내지 -75 ℃에서 이루어지는 것인 방법.
- 제1항에 있어서, 용매교환은 -15 내지 -25 ℃에서 순수 알코올에 침적시킨 후 아세톤에 침적시킴으로써 수행되는 것인 방법.
- 제1항에 있어서, 용매교환은 -15 내지 -25 ℃에서 순수 알코올에 침적시킨 후 테트라하이드로퓨란에 침적시킴으로써 수행되는 것인 방법.
- 제1항에 있어서, 동결건조는 0 내지 -10 ℃에서 이루어지는 것인 방법.
- 제1항 및 제4항 내지 제13항 중 어느 한 항에 따른 방법으로 제조되는 나노섬유형 생체고분자/생체활성유리 복합 지지체.
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| CN115944777B (zh) * | 2022-10-11 | 2024-08-09 | 五邑大学 | 一种京尼平交联的明胶/玻璃纤维仿生支架及其制备方法和应用 |
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| KR100791512B1 (ko) * | 2006-12-21 | 2008-01-04 | 단국대학교 산학협력단 | 나노구조로 이루어진 하이브리드형 조직재생용 멤브레인과스캐폴드 및 그들의 제조방법 |
| KR100941511B1 (ko) | 2007-11-20 | 2010-02-10 | 한국원자력연구원 | 고기능 생분해성 생체고분자/인산칼슘 하이브리드 골지지체의 제조방법 |
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