System and method for nucleic acids sequencing by phased synthesis
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02B-027/56
G02B-006/10
G02B-006/24
C12Q-001/68
C12N-015/10
출원번호
US-0481799
(2009-06-10)
등록번호
US-8747751
(2014-06-10)
우선권정보
GB-0811002.5 (2008-06-16)
발명자
/ 주소
Duer, Reuven
Herron, James
출원인 / 주소
PLC Diagnostics, Inc.
대리인 / 주소
Shay Glenn LLP
인용정보
피인용 횟수 :
6인용 특허 :
148
초록▼
A system and methods of sequencing a nucleic acid by detecting the identity of a fluorescent nucleotide analogue incorporated at the 3′ end of a growing nucleic acid strand are provided. The system may include a substrate comprising a plurality of substantially parallel excitation waveguides, and a
A system and methods of sequencing a nucleic acid by detecting the identity of a fluorescent nucleotide analogue incorporated at the 3′ end of a growing nucleic acid strand are provided. The system may include a substrate comprising a plurality of substantially parallel excitation waveguides, and a plurality of substantially parallel collection waveguides, the excitation waveguides and collection waveguides crossing to form a two-dimensional array of intersection regions, a plurality of optical sensing sites in optical communication with the intersection regions, one or more switchable light sources and a detector coupled to the light dispersive module. Methods of using these systems are also described.
대표청구항▼
1. A scanning sensor system for sequencing a nucleic acid comprising: a substrate comprising a plurality of substantially parallel excitation waveguides, and a plurality of substantially parallel collection waveguides, the excitation waveguides and collection waveguides crossing to form a two-dimens
1. A scanning sensor system for sequencing a nucleic acid comprising: a substrate comprising a plurality of substantially parallel excitation waveguides, and a plurality of substantially parallel collection waveguides, the excitation waveguides and collection waveguides crossing to form a two-dimensional array of intersection regions where an excitation waveguide and a collection waveguide cross and provide evanescent optical communication with an optical sensing site adjacent each crossing;wherein each optical sensing site is adjacent to and in optical communication with one of the excitation waveguides and one of the collection waveguides at the intersection regions, so that the excitation waveguides couple into the optical sensing site through an evanescent electromagnetic field and the collection waveguides couple into the optical sensing sites through an evanescent electromagnetic field;one or more switchable light sources, comprising a scanning light source input and a photo-cleaving light source input, coupled to and in optical communication with the excitation waveguides of the substrate;a light dispersive module coupled to and in optical communication with the collection waveguides of the substrate, and comprising an array of elements; anda detector coupled to and in optical communication with the light dispersive module. 2. The system of claim 1, wherein a scanning light source is coupled to a first switchable light source coupled to and in optical communication with the excitation waveguides at a first side of the substrate and a photo-cleaving light source is coupled to a second switchable light source coupled to and in optical communication with the excitation waveguides at a second side of the substrate. 3. The system of claim 1 or claim 2, wherein the dispersive module is configured to disperse light from one or more of the collection waveguides to a plurality of elements in the detector. 4. The system of claim 3, wherein the dispersive module is configured to disperse light from a given collection waveguide to four or more elements in the detector. 5. The system of claim 4, wherein the light dispersed from the dispersive module comprises a plurality of light wavelengths. 6. The system of claim 5, wherein the plurality of wavelengths comprises four or more light wavelengths. 7. The system of claim 1 or claim 2, wherein the photo-cleaving light source emits light having a wavelength ranging between 400 nm and 2000 nm. 8. The system of claim 7, wherein the photo-cleaving light source input is coupled to an ultra-violet light source. 9. The system of claim 8, wherein the ultra-violet light source emits light having a wavelength ranging between 100 nm and 400 nm. 10. A scanning sensor system for sequencing a nucleic acid comprising: a substrate comprising a plurality of excitation waveguides and a plurality of collection waveguides, the excitation waveguides and collection waveguides arranged in a lateral plane so that the excitation waveguides and collection waveguides cross to form a two-dimensional array of intersection regions where the crossing of each excitation waveguide and collection waveguide provides evanescent optical communication with an optical sensing site adjacent to one of the excitation waveguides and one of the collection waveguides at each crossing, further wherein the excitation waveguides are single-mode in a vertical dimension and multimode in a lateral dimension;wherein the plurality of optical sensing sites are each in optical communication with the excitation waveguide and collection waveguide so that the excitation waveguides couple into the optical sensing sites through an evanescent electromagnetic field and the collection wave guides couple into the optical sensing sites through an evanescent electromagnetic field;one or more switchable light sources, comprising a scanning light source input and a photo-cleaving light source input, coupled to and in optical communication with the excitation waveguides of the substrate;a light dispersive module coupled to and in optical communication with the collection waveguides of the substrate, and comprising an array of elements; anda detector coupled to and in optical communication with the light dispersive module. 11. A scanning sensor system for sequencing a nucleic acid comprising: a substrate comprising a plurality of excitation waveguides, and a plurality of collection waveguides, the excitation waveguides and collection waveguides crossing to form a two-dimensional array of intersection regions where an excitation waveguide and a collection waveguide cross and provide evanescent optical communication with an optical sensing site;a plurality of optical sensing sites wherein each optical sensing site is adjacent to and in optical communication with one of the excitation waveguides and one of the collection waveguides, so that the excitation waveguides couple into the optical sensing sites through an evanescent electromagnetic field and the collection waveguides couple into the optical sensing sites through an evanescent electromagnetic field;one or more switchable light sources, comprising a scanning light source input and a photo-cleaving light source input, coupled to and in optical communication with the excitation waveguides of the substrate;a light dispersive module coupled to and in optical communication with the collection waveguides of the substrate, and comprising an array of elements; anda detector coupled to and in optical communication with the light dispersive module. 12. The system of claim 1, wherein the optical sensing site is a well. 13. The system of claim 1, wherein the optical sensing site is above the collection waveguide and the excitation waveguide. 14. The system of claim 1, wherein the optical sensing site is in a different layer than the collection waveguide and the excitation waveguide.
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