High-density ion transport measurement biochip devices and methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-031/22
B65B-031/00
G01N-033/567
C12M-001/34
G01N-033/487
G01N-015/06
B01L-003/00
B03C-005/02
G01N-015/10
C23C-016/452
출원번호
US-0802207
(2013-03-13)
등록번호
US-9146221
(2015-09-29)
발명자
/ 주소
Guia, Antonio
Walker, George
Xu, Jia
Yuan, Julian
Wu, Lei
Huang, Mingxian
출원인 / 주소
Aviva Biosciences Corporation
대리인 / 주소
Morrison & Foerser LLP
인용정보
피인용 횟수 :
1인용 특허 :
76
초록▼
The present invention includes biochips for the measurement of cellular ion channels and methods of use and manufacture. The biochips of the present invention have enhanced sealing capabilities provided in part by chemically modifying the surface of the biochip surface or substrate or by exposure to
The present invention includes biochips for the measurement of cellular ion channels and methods of use and manufacture. The biochips of the present invention have enhanced sealing capabilities provided in part by chemically modifying the surface of the biochip surface or substrate or by exposure to an ionized gas. The present invention also includes novel cartridges for biochips.
대표청구항▼
1. An ion channel chip comprising: (a) a planar polymer plastic substrate treated with an ionized gas;(b) at least one aperture positioned substantially perpendicular to said planar polymer plastic substrate; and(c) a gasket positioned about said aperture defining the perimeter of a chamber, wherein
1. An ion channel chip comprising: (a) a planar polymer plastic substrate treated with an ionized gas;(b) at least one aperture positioned substantially perpendicular to said planar polymer plastic substrate; and(c) a gasket positioned about said aperture defining the perimeter of a chamber, wherein said treatment forms at least one functional group or moiety positioned sufficiently close to said aperture such that a cell simultaneously contacts said at least one functional group or moiety and said aperture, and wherein said ion channel chip is stored in an environment having decreased carbon dioxide relative to the ambient environment, such that an enhanced electrical sealing property of the ion channel chip is preserved. 2. The ion channel chip of claim 1, wherein the environment is selected from the group consisting of water, an aqueous solution, a salt solution, a buffered salt solution, acetone, a vacuum, a drying agent, a desiccant, nitrogen and an inert gas. 3. The ion channel chip of claim 2, wherein the environment comprises a desiccant selected from the group consisting of a silica gel, CaCl2 and NaOH. 4. The ion channel chip of claim 2, wherein the environment is water or an aqueous solution. 5. The ion channel chip of claim 2, wherein the environment is an aqueous solution. 6. The ion channel chip of claim 5, wherein the pH of the aqueous solution is greater than 4. 7. The ion channel chip of claim 5, wherein the pH of the aqueous solution is greater than 6. 8. The ion channel chip of claim 5, wherein the pH of the aqueous solution is greater than 7. 9. The ion channel chip of claim 5, wherein the pH of the aqueous solution is about 8. 10. The ion channel chip of claim 1, wherein said ionized gas is a plasma gas. 11. The ion channel chip of claim 1, wherein said ionized gas is a silicon-based vapor. 12. A storage system for an ion channel chip comprising: (a) a fluid tight container capable of accepting an ion channel chip;(b) an ion channel chip according to claim 1; and(c) a fluid. 13. The storage system of claim 12, wherein the fluid is selected from the group consisting of water, an aqueous solution, a salt solution, a buffered salt solution and acetone. 14. The storage system of claim 13, wherein the fluid is water or an aqueous solution. 15. The storage system of claim 12, wherein the fluid tight container comprises a top structure and a bottom structure comprising a series of chip engaging structures, wherein each engaging structure is capable of engaging the ion channel chip, and wherein said bottom structure reversibly engages said top structure. 16. A method for storing a treated ion channel chip according to claim 1, which method comprises storing said treated ion channel chip in an environment having decreased carbon dioxide relative to the ambient environment. 17. The method of claim 16, wherein the ion channel chip is stored in a fluid tight container capable of accepting an ion channel chip. 18. The method of claim 17, wherein the fluid tight container comprises a fluid selected from the group consisting of water, an aqueous solution, a salt solution, a buffered salt solution and acetone. 19. The method of claim 18, wherein the fluid is water or an aqueous solution. 20. A method of transporting a treated ion channel chip according to claim 1, which method comprises transporting said treated ion channel chip in an environment having decreased carbon dioxide relative to the ambient environment. 21. The method of claim 20, wherein the ion channel chip is stored in a fluid tight container capable of accepting an ion channel chip. 22. The ion channel chip of claim 1, wherein said functional group or moiety provides a negative charge. 23. The ion channel chip of claim 22, wherein the surface density of said functional group or moiety is more than about 1%, more than about 10%, or more than about 30%. 24. The ion channel chip of claim 1, wherein said functional group or moiety comprises a SiO− group. 25. The ion channel chip of claim 24, wherein the surface density of the SiO− group is more than about 1%, more than about 10%, or more than about 30%.
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