KR101852153B1 - 프로그래밍기법을 이용한 금속-리포좀 복합 구조체 제조 방법 및 이에 따라 제조된 금속-리포좀 복합 구조체 - Google Patents
프로그래밍기법을 이용한 금속-리포좀 복합 구조체 제조 방법 및 이에 따라 제조된 금속-리포좀 복합 구조체 Download PDFInfo
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- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
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- A—HUMAN NECESSITIES
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- 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
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/022—Metals or alloys
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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
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
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- A—HUMAN NECESSITIES
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/62—Encapsulated active agents, e.g. emulsified droplets
- A61L2300/626—Liposomes, micelles, vesicles
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Abstract
Description
도 2는 본 발명의 일 실시예에서 있어서, 환원제 또는 금속 전구체가 담지된 리포좀의 투과전자현미경 그림이다.
도 3은 본 발명의 일 실시예에서 있어서, 리포좀 내부에서만 선택적으로 금속 나노 입자가 합성되어 형성된 금속-리포좀 복합 나노 구조체의 투과전자현미경 사진이다.
도 4는 본 발명의 일 실시예에서 있어서, 생체 내와 유사한 복잡한 환경에서 제조된 금속-리포좀 복합 구조체의 안정성을 나타내는 그래프이다.
도 4a는 다양한 용액조건에서 기존 보고된 구형 금속 나노입자와 막대형 금속 나노입자와 본 발명의 실시예에서 제조된 금속-리포좀 복합 구조체의 안정성을 비교한 결과이고, 도 4b는 다양한 용액조건에서 제조된 금속-리포좀 복합 구조체의 안정성을 시간에 따라 보여주는 결과이다.
도 5는 본 발명의 일 실시예에서 있어서, 제조된 금속-리포좀 복합 구조체의 세포로의 전달효율을 나타내는 것으로서, 산란세기를 측정하여 세포 내로 전달된 구조체의 양을 정성 및 정량적으로 보여주는 이미지(도 5a)와 그래프(도 5b)이다.
도 6은 본 발명의 일 실시예에서 있어서, 제조된 금속-리포좀 복합 구조체를 세포에 적용하여 세포 내 분자 탐지 및 이미징하는 응용기술을 보여준다. 도 6a는 제작된 금속-리포좀 복합 구조체를 세포 내로 전달하고 세포 내 존재하는 특정 분자들의 라만신호를 얻은 결과이다. 도 6b는 획득한 세포 내 분자의 라만신호를 기반으로 하여 세포를 이미징한 결과이다.
Claims (19)
- 환원제인 트리소듐 시트레이트 디하이드레이트(trisodium citrate dehydrate)가 미리 담지된 프로그래밍된 리포좀을 형성하는 단계;
프로그래밍된 리포좀 외부에 금속 전구체인 HAuCl43H2O를 제공하고 pH를 조절하여 중성화 상태의 금속 전구체가 리포좀 내부로 확산되도록 하는 단계; 및
프로그래밍된 리포좀 내부로 확산된 금속 전구체와 프로그래밍된 리포좀 내부에 담지되어 있던 환원제로부터, 프로그래밍된 리포좀 내부에서 금속 전구체를 환원시켜 금(Au) 입자를 합성하여, 리포좀이 금(Au) 입자의 외부 골격을 이루는 금속-리포좀 복합 구조체를 제조하는 단계;를 포함하는 프로그래밍 기법을 이용한 금속-리포좀 복합 구조체 제조 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 프로그래밍된 리포좀 형성 단계에서는, 상기 환원제가 미리 담지된 프로그래밍된 리포좀을 형성한 후, 크기 또는 형태 중 하나 이상이 조절되도록 프로그래밍된 리포좀을 분리하는 것을 특징으로 하는 금속-리포좀 복합 구조체 제조 방법.
- 제 1 항에 있어서,
상기 프로그래밍된 리포좀 형성 단계는, 상기 환원제가 포함된 용액에서 지질 막으로부터 리포좀을 형성하여 상기 환원제가 리포좀 내부에 담지된 프로그래밍된 리포좀을 형성하는 단계; 및
프로그래밍된 리포좀의 크기 또는 형태 중 하나 이상을 조절하도록 프로그래밍된 리포좀을 분리 및 여과하는 단계;를 포함하는 것을 특징으로 하는 프로그래밍 기법을 이용한 금속-리포좀 복합 구조체 제조 방법.
- 제 5 항에 있어서,
리포좀을 형성하는 지질은 중성, 음전하성 또는 양전하성을 포함하는 것을 특징으로 하는 프로그래밍 기법을 이용한 금속-리포좀 복합 구조체 제조 방법.
- 제 5 항에 있어서,
리포좀을 형성하는 지질은 골격을 형성하는 탄소의 수가 10 - 30 개인 것을 포함하는 것을 특징으로 하는 프로그래밍 기법을 이용한 금속-리포좀 복합 구조체 제조 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
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- 삭제
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Priority Applications (2)
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KR1020160027791A KR101852153B1 (ko) | 2016-03-08 | 2016-03-08 | 프로그래밍기법을 이용한 금속-리포좀 복합 구조체 제조 방법 및 이에 따라 제조된 금속-리포좀 복합 구조체 |
PCT/KR2017/002485 WO2017155293A2 (ko) | 2016-03-08 | 2017-03-08 | 프로그래밍기법을 이용한 금속-리포좀 복합 구조체 제조 방법 및 이에 따라 제조된 금속-리포좀 복합 구조체 |
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KR1020160027791A KR101852153B1 (ko) | 2016-03-08 | 2016-03-08 | 프로그래밍기법을 이용한 금속-리포좀 복합 구조체 제조 방법 및 이에 따라 제조된 금속-리포좀 복합 구조체 |
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KR101852153B1 true KR101852153B1 (ko) | 2018-04-25 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1996014165A1 (en) * | 1994-11-04 | 1996-05-17 | The Government Of The United States Of America, Represented By The Secretary Of The Navy | Polymerized phospholipid membrane mediated synthesis of metal nanoparticles |
JP2010235464A (ja) * | 2009-03-30 | 2010-10-21 | Natl Inst Of Radiological Sciences | 治療薬剤の標的部位への集積及び放出を追跡可能な治療薬剤含有リポソームおよびその製造方法 |
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DE19721601A1 (de) * | 1997-05-23 | 1998-11-26 | Hoechst Ag | Polybetain-stabilisierte, Palladium-haltige Nanopartikel, ein Verfahren zu ihrer Herstellung sowie daraus hergestellte Katalysatoren zur Gewinnung von Vinylacetat |
WO2003091159A1 (en) * | 2002-04-25 | 2003-11-06 | General Electric Company | Preparation of nanosized copper (i) compounds |
KR101174470B1 (ko) * | 2010-04-08 | 2012-08-16 | 한국세라믹기술원 | 자성 실리카 리포좀 나노입자 및 이의 제조방법 |
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Patent Citations (2)
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WO1996014165A1 (en) * | 1994-11-04 | 1996-05-17 | The Government Of The United States Of America, Represented By The Secretary Of The Navy | Polymerized phospholipid membrane mediated synthesis of metal nanoparticles |
JP2010235464A (ja) * | 2009-03-30 | 2010-10-21 | Natl Inst Of Radiological Sciences | 治療薬剤の標的部位への集積及び放出を追跡可能な治療薬剤含有リポソームおよびその製造方法 |
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