[특허]Surfaces differentially adhesive to eukaryotic cells and non-eukaryotic cells

Surfaces differentially adhesive to eukaryotic cells and non-eukaryotic cells 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C12M-001/00 A61F-002/00 C12N-011/08 C12N-005/00 C12N-005/07 C07K-017/08
출원번호	US-0082024 (2008-04-08)
등록번호	US-8093039 (2012-01-10)
발명자 / 주소	Libera, Matthew R.
출원인 / 주소	The Trustees of the Stevens Institute of Technology
대리인 / 주소	Greenberg Traurig, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 65

초록 ▼

A surface coating comprises a primer coat that permits adhesion of eukaryotic cells thereto, and a plurality of macromolecular structures attached to the primer coat. At least some of the macromolecular structures have a cell-resistant character, meaning that cells generally will not adhere to them. The macromolecular structures are distributed across an area of the primer coat so that the surface coating permits adhesion of the eukaryotic cells to the primer layer and resists the adhesion of non-eukaryotic cells. Typically, the primer coat comprises a self-assembled polymeric monolayer and the macromolecular structures comprise nanoscale hydrogels. Such surface coatings may be formed on articles of manufacture for insertion into the body, such as orthopedic devices.

대표청구항 ▼

1. A surface coating, comprising: a primer coat that permits adhesion of eukaryotic cells thereto; anda plurality of essentially spherical hydrogels attached to a said primer coat such that portions of said primer coat are exposed between said hydrogels, wherein each of said plurality of hydrogels has a diameter of less than one micron, and wherein at least some of said plurality of hydrogels are cell adhesion-resistant hydrogels, said cell adhesion-resistant hydrogels being in an unpatterned lateral distribution across a portion of said primer coat and spaced so as to permit adhesion of eukaryotic cells to said exposed portions of said primer coat, while resisting the adhesion of non-eukaryotic cells thereto. 2. The surface coating of claim 1, wherein at least some others of said plurality of hydrogels include a cell-adhesion factor that promotes adhesion of eukaryotic cells to said at least some others of said plurality of hydrogels. 3. The surface coating of claim 2, wherein the ratio of the number of said hydrogels including said cell-adhesion factor to the number of said cell adhesion-resistant hydrogels is in the range of from about one-to-one to about ten-to-one. 4. The surface coating of claim 1, wherein said primer coat includes a cell-adhesion factor that promotes adhesion of eukaryotic cells to said primer coat. 5. The surface coating of claim 4, wherein said cell-adhesion factor promotes specific adhesion of eukaryotic cells to said primer coat. 6. The surface coating of claim 1, wherein said cell adhesion-resistant hydrogels are also spaced to permit eukaryotic cells to proliferate among said cell adhesion-resistant hydrogels. 7. The surface coating of claim 6, wherein said cell adhesion-resistant hydrogels are spaced by distances in the range of about 0.2 μm to about 5 μm. 8. The surface coating of claim 1, wherein said cell adhesion-resistant hydrogels cover from about 2 percent to about 98 percent of said primer coat. 9. The surface coating of claim 1, wherein said primer coat includes at least one layer comprising a polymer. 10. The surface coating of claim 9, wherein said layer is a self-assembled monolayer of said polymer. 11. The surface coating of claim 10, wherein said self-assembled monolayer of said polymer has been formed by a process of electrostatic deposition of said polymer on a substrate. 12. The surface coating of claim 11, wherein at least some of said plurality of hydrogels have been deposited on said primer coat by electrostatic self-assembly. 13. The surface coating of claim 8, wherein said cell adhesion-resistant hydrogels cover from about 20 percent to about 80 percent of said primer coat.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Surfaces differentially adhesive to eukaryotic cells and non-eukaryotic cells 원문보기

초록 ▼

대표청구항 ▼

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연합인증

Surfaces differentially adhesive to eukaryotic cells and non-eukaryotic cells 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (65)

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