Substrates, systems and methods for analyzing materials
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-021/64
C12Q-001/68
G01N-021/77
G02B-006/43
G02B-006/10
출원번호
US-0568454
(2014-12-12)
등록번호
US-9222133
(2015-12-29)
발명자
/ 주소
Lundquist, Paul
Turner, Stephen
출원인 / 주소
Pacific Biosciences of California, Inc.
대리인 / 주소
Arnold, Deana A.
인용정보
피인용 횟수 :
0인용 특허 :
81
초록▼
Substrates, systems and methods for analyzing materials that include waveguide arrays disposed upon or within the substrate such that evanescent fields emanating from the waveguides illuminate materials disposed upon or proximal to the surface of the substrate, permitting analysis of such materials.
Substrates, systems and methods for analyzing materials that include waveguide arrays disposed upon or within the substrate such that evanescent fields emanating from the waveguides illuminate materials disposed upon or proximal to the surface of the substrate, permitting analysis of such materials. The substrates, systems and methods are used in a variety of analytical operations, including, inter alia, nucleic acid analysis, including hybridization and sequencing analyses, cellular analyses and other molecular analyses.
대표청구항▼
1. A method of monitoring an analytical reaction, comprising: a) providing a substrate comprising: i) a first surface and at least a first optical waveguide disposed beneath but sufficiently proximal to the first surface that when excitation radiation is passed through the first optical waveguide, a
1. A method of monitoring an analytical reaction, comprising: a) providing a substrate comprising: i) a first surface and at least a first optical waveguide disposed beneath but sufficiently proximal to the first surface that when excitation radiation is passed through the first optical waveguide, an evanescent field emanating from the first optical waveguide reaches above the first surface;ii) a mask layer disposed over the first surface of the substrate, the mask layer comprising a plurality of apertures that pass through the mask layer and expose the first surface; andiii) an individual, optically resolvable analyte disposed within one of the apertures sufficiently proximal to the first surface and external to the waveguide to be illuminated by the evanescent field;b) directing optical energy through the first optical waveguide, thereby generating said evanescent field and further illuminating the individual, optically resolvable analyte; andc) detecting a signal from the individual, optically resolvable analyte, wherein the signal is indicative of the analytical reaction, thereby monitoring the analytical reaction. 2. The method of claim 1, further comprising optically coupling at least a first excitation radiation source to the first optical waveguide to pass excitation light therethrough. 3. The method of claim 2, wherein the first excitation radiation source is optically coupled to the first optical waveguide by at least a first optical fiber. 4. The method of claim 1, further comprising optically coupling at least two excitation radiation sources to the first optical waveguide to pass excitation light therethrough, each of the two excitation radiation sources providing light of a different spectrum. 5. The method of claim 1, wherein said one of the apertures is an optical confinement. 6. The method of claim 1, wherein said one of the apertures has a cross-sectional dimension between 50 and 200 nm. 7. The method of claim 1, wherein said one of the apertures is a zero mode waveguide. 8. The method of claim 1, wherein the mask layer comprises at least one material selected from the group consisting of a metal, a polymeric material, and a silica-based material. 9. The method of claim 1, wherein the mask layer is a transparent mask layer. 10. The method of claim 1, wherein the mask layer blocks the evanescent field above portions of the first optical waveguide. 11. The method of claim 1, wherein the individual, optically resolvable analyte is immobilized on the first surface via interaction with an immobilized complex. 12. The method of claim 11, wherein the immobilized complex comprises an enzyme. 13. The method of claim 12, wherein the enzyme is a polymerase enzyme. 14. The method of claim 1, wherein said detecting a signal comprises using a detector selected from the group consisting of a PMT, a photodiode, a photodiode array, a CCD, an EMCCD, an ICCD, and a photographic film. 15. The method of claim 1, wherein the individual, optically resolvable analyte comprises a fluorescently labeled nucleotide or nucleotide analog. 16. The method of claim 15, wherein the fluorescently labeled nucleotide or nucleotide analog comprises a terminating group. 17. The method of claim 1, further comprising delivering the individual, optically resolvable analyte proximal to the first surface via a first fluidic channel disposed over and in fluid communication with the first surface. 18. The method of claim 1, wherein each the first optical waveguide is exposed at the first surface of the substrate. 19. The method of claim 1, wherein each the first optical waveguide is not exposed at the first surface of the substrate. 20. The method of claim 1, wherein the substrate further comprises at least one integrated optical functionality selected from the group consisting of mask layers, lenses, filters, gratings, antireflective coatings, optical switching components, or attenuation components.
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