KR20140020487A - 카테콜화 나노섬유, 그 제조방법 및 그 용도 - Google Patents
카테콜화 나노섬유, 그 제조방법 및 그 용도 Download PDFInfo
- Publication number
- KR20140020487A KR20140020487A KR1020120086938A KR20120086938A KR20140020487A KR 20140020487 A KR20140020487 A KR 20140020487A KR 1020120086938 A KR1020120086938 A KR 1020120086938A KR 20120086938 A KR20120086938 A KR 20120086938A KR 20140020487 A KR20140020487 A KR 20140020487A
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- KR
- South Korea
- Prior art keywords
- catechol
- nanofibers
- nanofiber
- group
- plga
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
도 2는 본 발명의 카테콜 및 티올의 교차결합을 포함하는 나노섬유의 제조방법의 일 구현예의 반응 모식도이다.
도 3은 본 발명의 일 구현예에 따른 PCL-PEG 블록공중합체의 나노섬유 표면을 카테콜로 개질시킨 후, 나노섬유의 모습을 주사전자현미경을 통해 관찰한 결과를 촬영한 사진이다.
도 4는 본 발명의 일 구현예에 따른 카테콜로 표면 개질된 PCL-PEG 나노섬유에 대한 물방울 접촉각 시험을 촬영한 사진이다.
도 5는 본 발명의 일 구현예에 따라 제조된 카테콜화 나노섬유 및 종래 방법(고농도의 카테콜 용액에 담구어 표면개질 시키는 방법)에 따른 폴리카테콜화 나노섬유에 대해, Cy3-SH 결합시험을 수행한 결과, 시간의 경과에 따른 Cy3-SH 결합율을 도시한 그래프이다.
도 6은 본 발명의 일 구현예에 따라 제조된 카테콜화 나노섬유 및 종래 방법(고농도의 카테콜 용액에 담구어 표면개질 시키는 방법)에 따른 폴리카테콜화 나노섬유에 대해 Cy3-SH와의 결합반응을 완료한 다음 CLSM을 통해 Cy3-SH를 관찰한 결과를 촬영한 사진이다.
도 7은 본 발명의 일 구현예에 따라 제조된 카테콜화 나노섬유 및 종래 방법(고농도의 카테콜 용액에 담구어 표면개질 시키는 방법)에 따른 폴리카테콜화 나노섬유에 대해, NIH 3T3 섬유아세포의 배양 시험을 수행한 결과, 세포접착속도를 도시한 그래프이다.
도 8은 본 발명의 일 구현예에 따라 제조된 카테콜화 나노섬유 및 종래 방법(고농도의 카테콜 용액에 담구어 표면개질 시키는 방법)에 따른 폴리카테콜화 나노섬유에 대해, NIH 3T3 섬유아세포의 배양 시험을 수행한 결과, 배양시험을 수행한지 30 분이 경과한 시점의 나노섬유의 표면에서의 세포의 모습을 CLSM을 통해서 관찰한 결과를 촬영한 사진이다.
도 9는 본 발명이 일 구현예에 따른 PLGA-SH의 합성 반응식이다.
도 10은 본 발명이 일 구현예에 따른 cPEG (8-arm PEG-catechol)의 합성 반응식이다.
도 11은 교차결합제 NaIO4에 의해 PLGA-SH의 티올기와 cPEG의 카테콜 간의 교차결합이 이루어지는 과정 및 카테콜기간의 자가 폴리머화(self-polymerization)가 이루어지는 과정을 나타낸 반응식이다.
도 12는 본 발명이 일 구현예에 따라 합성된 cPEG의 1H-NMR 그래프이다.
도 13은 본 발명의 일 구현예에 따라 다양한 PLGA-SH/cPEG의 비율로 제조된 나노섬유와 교차결합반응이 수행되지 않은 나노섬유의 시차주사열량을 측정한 결과를 나타낸 그래프 및 표이다.
도 14는 본 발명의 일 구현예에 따라 다양한 PLGA-SH/cPEG의 비율로 제조된 나노섬유의 수접촉각 시험 시 5초 후의 물방울을 촬영한 사진(A) 및 5 초 후의 수접촉각을 측정한 결과를 정리한 표(B)이다.
도 15는 본 발명의 일 구현예에 따라 다양한 PLGA-SH/cPEG의 비율로 제조된 교차결합 나노섬유(B)와 교차결합을 수행하지 않은 비교차결합 나노섬유(A)의 날짜의 경과에 따른 질량부식율를 도시한 그래프 및 FE-SEM 사진이다.
도 16은 본 발명의 일 구현예에 따라 다양한 PLGA-SH/cPEG의 비율로 제조된 교차결합 나노섬유(B)와 교차결합을 수행하지 않은 비교차결합 나노섬유(A)의 시간의 경과에 따른 단백질 흡착율를 도시한 그래프 및 CLSM 사진이다.
도 17은 본 발명의 일 구현예에 따라 다양한 PLGA-SH/cPEG의 비율로 제조된 교차결합 나노섬유(B)와 교차결합을 수행하지 않은 비교차결합 나노섬유(A)의 시간의 경과에 따른 세포 흡착율를 도시한 그래프 및 CLSM 사진이다.
<도면의 기호에 대한 설명>
PCL: 폴리(e-카프롤락톤)
PEG: 폴리에틸렌글리콜
nanofiber (NF): 나노섬유
CNF 또는 카테콜-NF: 카테콜화 나노섬유
Claims (25)
- 폴리에스테르계 고분자 화합물에 카테콜 단분자 화합물이 공유결합된 카테콜화 폴리에스테르계 화합물을 포함하는 나노섬유.
- 제1항에 있어서, 상기 폴리에스테르계 고분자 화합물은 폴리락틱글리콜산(PLGA), 폴리(e-카프롤락톤) 및 폴리에틸렌글리콜의 블록 공중합체(PCL-PEG 블록 공중합체), 폴리글라이콜라이드 (PGA), 폴리락틱산 (PLG), 폴리하이드록시발러레이트 (PHV), 폴리하이드록시부틸레이트 (PHB), 폴리하이드록시알카노에이트 (PHBV), 폴리하이드록시프로피오닉산 (PHPA), 폴리비닐알코올 (PVOH), 폴리다이옥사논 (PDO), 폴리언하이드라이즈 (PAH), 폴리트리메틸렌 카보네이드 (PTMC), 폴리포스파젠 (PPZ), 폴리우레탄 (PU) 및 이들의 조합으로부터 선택되는 나노섬유.
- 제1항에 있어서, 상기 카테콜 단분자 화합물은 3,4-디히드록실-페닐알라닌(DOPA), 3,4-디히드록실-페닐-프로피온산(DHPP), 3,4-디히드록실-페닐-시나믹산 (DPCA), 3,4-디히드록실벤즈알데하이드 (DHBA), 3,4-디히드록시페닐-1-옥소-2-프로페닐-옥시-3-3,4-디히드록시페닐-프로패오닉산 (DHOPDHPA), 3,4-디히드록시스틸-4-히드록시-2-피론 (DHHP), 및 이들의 조합으로부터 선택되는 나노섬유.
- 제1항에 있어서, PEG의 말단에 아민기가 존재하는 폴리(e-카프롤락톤)-폴리에틸렌글리콜 블록 공중합체(PCL-PEG 블록 공중합체)의 아민기에 카테콜 단분자 화합물이 공유결합된 나노섬유.
- 제1항 내지 제4항 중 어느 한 항에 따른 나노섬유를 세포의 접착 속도 또는 세포의 증식을 촉진하기 위해 사용하는 방법.
- 폴리에스테르계 고분자 화합물을 포함하는 나노섬유를 카테콜 단분자 화합물과 반응시켜 나노섬유에 카테콜 단분자 화합물을 공유결합시키는 것을 포함하는, 나노섬유를 개질하는 방법.
- 제6항에 있어서, 상기 폴리에스테르계 고분자 화합물은 폴리락틱글리콜산(PLGA), 폴리(e-카프롤락톤)(PCL) 및 폴리에틸렌글리콜의 블록 공중합체, 폴리글라이콜라이드 (PGA), 폴리락틱산 (PLG), 폴리하이드록시발러레이트 (PHV), 폴리하이드록시부틸레이트 (PHB), 폴리하이드록시알카노에이트 (PHBV), 폴리하이드록시프로피오닉산 (PHPA), 폴리비닐알코올 (PVOH), 폴리다이옥사논 (PDO), 폴리언하이드라이즈 (PAH), 폴리트리메틸렌 카보네이드 (PTMC), 폴리포스파젠 (PPZ), 폴리우레탄 (PU) 및 이들의 조합으로부터 선택되는 방법.
- 제6항에 있어서, 상기 카테콜 단분자 화합물은 3,4-디히드록실-페닐알라닌(DOPA), 3,4-디히드록실-페닐-프로피온산(DHPP), 3,4-디히드록실-페닐-시나믹산 (DPCA), 3,4-디히드록실벤즈알데하이드 (DHBA), 3,4-디히드록시페닐-1-옥소-2-프로페닐-옥시-3-3,4-디히드록시페닐-프로패오닉산 (DHOPDHPA), 3,4-디히드록시스틸-4-히드록시-2-피론 (DHHP) 및 이들의 조합으로부터 선택되는 방법.
- 제1항 내지 제4항 중 어느 한 항에 따른 나노섬유를 포함하는 상처 치유용 드레싱제.
- 제1항 내지 제4항 중 어느 한 항에 따른 나노섬유를 포함하는 세포배양용 플라스틱웨어용 코팅막.
- PEG의 말단에 작용기가 도입된 아민화 PCL-PEG 블록 공중합체를 나노섬유로 제조하는 단계; 및
상기 나노섬유를 카테콜 단분자 화합물 및 커플링제와 유기용매 상에서 반응시켜 카테콜 단분자를 PEG 말단의 작용기에 결합시키는 단계를 포함하는 제1항 내지 제4항 중 어느 한 항에 따른 전기방사 나노섬유의 제조방법. - 제11항에 있어서, 상기 작용기는 카르복실기, 아민기, 티올기, 에폭시, 아크릴레이트, 또는 석신이미드인 제조방법.
- 제11항에 있어서, 상기 카테콜 단분자 화합물은 3,4-디히드록실-페닐알라닌(DOPA), 3,4-디히드록실-페닐-프로피온산(DHPP), 3,4-디히드록실-페닐-시나믹산 (DPCA), 3,4-디히드록실벤즈알데하이드 (DHBA), 3,4-디히드록시페닐-1-옥소-2-프로페닐-옥시-3-3,4-디히드록시페닐-프로패오닉산 (DHOPDHPA), 3,4-디히드록시스틸-4-히드록시-2-피론 (DHHP), 및 이들의 조합으로부터 선택되는 제조방법.
- 제11항에 있어서, 상기 커플링제는 NHS(N-hydroxysuccinimide) 및 EDC(1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride), HOBt (hydroxybenzotriazole), 디사이클로헥실카보디이미드 (DCC), 디아이소프로필카보디이미드 (DIC) 벤조트라이졸-1-일록시-트리-디메틸아미노-포스포니움-헥사플루오로포스페이트 (BOP), 및 이들의 조합으로부터 선택되는 제조방법.
- 제1항에 있어서, 티올화 폴리락틱글리콜산(PLGA-SH)과 카테콜화 멀티-암(multi-arm) 폴리에틸렌글리콜(cPEG)을 포함하는 나노섬유로서, 상기 카테콜 및 티올의 교차결합 및 카테콜과 카테콜간의 교차결합을 포함하고, 상기 티올화 폴리락틱글리콜산(PLGA-SH)은 락타이드:글리콜라이드의 비율이1:0 ~ 0:1인 나노섬유.
- 제15항에 있어서, 상기 락타이드:글리콜라이드의 비율이 50:50~75:25 인 나노섬유.
- 제15항에 있어서, 상기 카테콜화 멀티-암 폴리에틸렌글리콜은 카테콜화 4 내지 8-암 폴리에틸렌글리콜인 나노섬유.
- 제15항에 있어서, 상기 티올화 폴리락틱글리콜산(PLGA-SH)의 카테콜화 멀티-암 폴리에틸렌글리콜(cPEG)에 대한 질량비율이 9:1 ~ 1:9인 나노섬유.
- 제15항에 있어서, 상기 카테콜의 50% 이상이 티올과 교차결합 되는 나노섬유.
- 제15항 내지 제19항 중 어느 한 항에 따른 나노섬유를 포함하는 조직부착 방지막.
- 제15항 내지 제19항 중 어느 한 항에 따른 나노섬유를 조직부착 방지막의 제조에 사용하는 방법.
- 티올화 폴리락틱글리콜산(PLGA-SH)과 카테콜화 멀티-arm 폴리에틸렌글리콜(cPEG)의 혼합용액을 전기방사법에 의해 나노섬유로 제조하는 단계; 및
상기 나노섬유를 교차결합 시약으로 처리하여 나노섬유 중의 티올기와 카테콜기를 서로 교차결합시키는 단계를 포함하는 제15항 내지 제19항 중 어느 한 항에 따른 나노섬유의 제조방법. - 제22항에 있어서, 상기 교차결합시약은 과요도드산나트륨(NaIO4), 질산은 (silver nitrate), 바이신 버퍼 (bicine buffer), 카테콜 옥시다아제 (catechol oxidase), 과산화수소 (hydrogen peroxide), 질산구리 (cupper nitrate), 타이로시나아제 (tyrosinase) 및 이들의 조합에서 선택되는 제조방법.
- 제22항에 있어서, 상기 혼합용액의 용매는 탄소수 1 ~ 5의 탄화수소계 유기용제인 제조방법.
- 제22항에 있어서, 상기 전기방사법은 니들과 그라운드 사이의 거리가 5 ~ 30 cm, 전압 0.1 ~ 30 kv, 유속 0.1 ~ 100 mL/h의 범위로 이루어지는 제조방법.
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