KR100964504B1 - 나노다공성 멤브레인, 이의 제조 방법 및 이를 구비한 서방성 약물 전달 장치 - Google Patents
나노다공성 멤브레인, 이의 제조 방법 및 이를 구비한 서방성 약물 전달 장치 Download PDFInfo
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Abstract
Description
멤브레인 No. |
제1분리층 중 제1기공 | 제2분리층 중 제2기공 | ||||
밀도 (개/cm2) |
평균 입경 (nm) |
표준편차 | 밀도 (개/cm2) |
평균 입경 (nm) |
표준편차 | |
B | 9.8 x 1010 | 14.66 | 2.26 | - | - | - |
1 | 9.8 x 1010 | 14.66 | 2.26 | 9.8 x 1010 | 6 | 3.1 |
2 | 9.8 x 1010 | 14.66 | 2.26 | 9.8 x 1010 | 10 | 2.6 |
3 | 9.8 x 1010 | 14.66 | 2.26 | 9.8 x 1010 | 10 | 2.5 |
4 | 9.8 x 1010 | 14.66 | 2.26 | 5 x 1010 | 11 | 3.5 |
약물 전달 장치 No. |
멤브레인 종류 (도 9b 중 참조번호 (10)) |
약물 저장 용기(1000) 중 약물 |
1 | 멤브레인 A | PBS 중 BSA(bovine serum albumin, 분자량 67k Dalton, ~8nm) 6ml (농도는 5mg/ml임) |
2 | 멤브레인 B | PBS 중 BSA(bovine serum albumin, 분자량 67k Dalton, ~8nm) 6ml (농도는 5mg/ml임) |
3 | 멤브레인 B | PBS 중 hGH(human growth hormone, 분자량 22k Dalton, ~3nm) 6ml (농도는 5mg/ml임) |
4 | 멤브레인 1 | PBS 중 hGH(human growth hormone, 분자량 22k Dalton, ~3nm) 6ml (농도는 5mg/ml임) |
Gradient | buffer B |
0 ~ 7min | 0% |
~11min | 40% |
~30min | 100% |
Claims (17)
- 지지체; 나노 사이즈를 갖는 복수의 제1기공과 제1매트릭스로 이루어진 제1분리층; 및 상기 제1분리층 상부에 형성되며, 상기 제1분리층의 복수의 제1기공에 각각 대응되는 위치에 형성된 복수의 제2기공 및 제2매트릭스를 갖는 제2분리층; 을 포함하고, 상기 복수의 제1기공 및 상기 복수의 제2기공의 밀도가 1010개/cm2 이상이고, 상기 복수의 제2기공 각각의 입경 크기는, 각 제2기공에 대응되는 위치에 구비된 각 제1기공의 입경 크기 이하이고, 상기 제2매트릭스가 금속, 금속 산화물 또는 금속 질화물로 이루어진, 나노다공성 멤브레인(nanoporous membrane).
- 삭제
- 제1항에 있어서,상기 제2매트릭스가 Au, Ag, Al, Ti, Cu, Cr, Pt, Ni, W, Si 및 Ta로 이루어진 군으로부터 선택된 금속으로 이루어진 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제2매트릭스가 Al, Ti, Cu, Cr, Ni, W, Si 및 Ta로 이루어진 군으로부터 선택된 금속의 산화물 또는 질화물로 이루어진 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제2분리층의 두께가 1 nm 내지 20nm인 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제1기공 입경의 평균값이 6nm 내지 40nm인 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제2기공 입경의 평균값이 4nm 내지 30nm인 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제1기공 및 상기 제2기공 입경의 표준 편차값이 각각 4 이하인 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제1기공 및 상기 제2기공이 지지체에 대하여 수직인 방향으로 천공되어 있는 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제1분리층의 매트릭스가 심부(inner portion) 및 상기 심부를 덮는 표면부(surface portion)로 이루어진 것을 특징으로 하는 나노다공성 멤브레인.
- 제10항에 있어서,상기 심부가 폴리스티렌으로 이루어지고, 상기 표면부가 폴리아크릴, 폴리이소프렌 또는 폴리부타디엔으로 이루어진 것을 특징으로 하는 나노다공성 멤브레인.
- 제1항에 있어서,상기 제1분리층의 두께가 10nm 내지 200nm인 것을 특징으로 하는 나노다공성 멤브레인.
- 기판을 준비하는 단계;상기 기판 상부에 식각층을 형성하는 단계;상기 식각층 상부에 상-분리성 공중합체(phase-separable copolymer) 함유-조성물을 도포 및 열처리하여 상-분리된 공중합체층(phase-separated polymer layer)을 형성하는 단계;상기 상-분리된 공중합체층이 구비된 기판을 지지체를 함유한 식각액에 침지시켜, 상기 상-분리된 공중합체층을 지지체에 고정시키는 단계;상기 상-분리된 공중합체층이 고정된 지지체를 산성 용액에 침지시켜, 상기 상-분리된 공중합체층 중 나노 사이즈를 갖는 복수의 제1기공을 형성함으로써, 상기 복수의 제1기공과 제1매트릭스로 이루어진 제1분리층을 지지체 상부에 형성하는 단계; 및상기 복수의 제1기공에 각각 대응되는 위치에 형성되며, 대응되는 각 제1기공의 입경 크기 이하의 입경 크기를 갖는 복수의 제2기공 및 제2매트릭스를 갖는 제2분리층을 상기 제1분리층 상부에 형성하는 단계;를 포함하고, 상기 제2분리층 형성 단계를 스퍼터링법 또는 증착법을 이용하여 형성하는 나노다공성 멤브레인(nanoporous membrane)의 제조 방법.
- 삭제
- 제1항 및 제3항 내지 제12항 중 어느 한 항의 나노다공성 멤브레인을 구비한 서방성 약물 전달 장치.
- 제15항에 있어서, 임플란트(implant)형 또는 패치형인 것을 특징으로 하는 약물 전달 장치.
- 제15항에 있어서,약물 저장용 용기 및 상기 약물 저장용 용기의 약물이 상기 나노다공성 멤브레인을 통과하여 방출되는 방출구를 더 포함한 것을 특징으로 하는 서방성 약물 전달 장치.
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KR1020080013485A KR100964504B1 (ko) | 2008-02-14 | 2008-02-14 | 나노다공성 멤브레인, 이의 제조 방법 및 이를 구비한 서방성 약물 전달 장치 |
US12/132,914 US7935416B2 (en) | 2008-02-14 | 2008-06-04 | Nanoporous membrane, process of fabricating the same and device for controlled release of biopharmaceuticals comprising the same |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013062938A1 (en) * | 2011-10-24 | 2013-05-02 | Cornell University | Mesoporous metal nitride materials and methods |
KR101371342B1 (ko) | 2012-06-11 | 2014-03-10 | 한국과학기술원 | 나노 다공성 멤브레인 및 이의 제조방법 |
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WO2013062938A1 (en) * | 2011-10-24 | 2013-05-02 | Cornell University | Mesoporous metal nitride materials and methods |
US20140302323A1 (en) * | 2011-10-24 | 2014-10-09 | Cornell University | Mesoporous metal nitride materials and methods |
US9359204B2 (en) * | 2011-10-24 | 2016-06-07 | Cornell University | Mesoporous metal nitride materials and methods |
KR101371342B1 (ko) | 2012-06-11 | 2014-03-10 | 한국과학기술원 | 나노 다공성 멤브레인 및 이의 제조방법 |
KR101961340B1 (ko) | 2017-12-18 | 2019-03-25 | (주)씨엔에스 | 한외여과시스템에 사용되는 모듈호환 통합형 홀더장치 |
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KR20090088124A (ko) | 2009-08-19 |
US7935416B2 (en) | 2011-05-03 |
US20090208726A1 (en) | 2009-08-20 |
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