Scanning system and method for imaging and sequencing
First Claim
Patent Images
1. A polynucleotide sequencing system, comprising:
- a flow cell having at least one channel, a plurality of polynucleotides disposed in the at least one channel, at least a portion of the plurality of polynucleotides comprising a detectable label;
a first irradiation source configured to generate a first excitation beam which irradiates a first group of polynucleotides of the plurality of polynucleotides thereby exciting at least one detectable label of at least one polynucleotide of the first group of polynucleotides such that the at least one detectable label of the at least one polynucleotide of the first group of polynucleotides emits an emission signal;
a second irradiation source configured to generate a second excitation beam which irradiates a second group of polynucleotides of the plurality of polynucleotides thereby exciting at least one detectable label of at least one polynucleotide of the second group of polynucleotides such that the at least one detectable label of the at least one polynucleotide of the second group of polynucleotides emits an emission signal, the second group of polynucleotides being different from the first group of polynucleotides, the first and second excitation beams simultaneously irradiating the first and second groups of polynucleotides, respectively, wherein the first excitation beam does not substantially overlap the second excitation beam;
a detection system having at least a first detector configured to detect the emission signal from the at least one detectable label of the at least one polynucleotide of the first group of polynucleotides and having at least a second detector configured to detect the emission signal from the at least one detectable label of the at least one polynucleotide of the second group of polynucleotides, the first and second detectors configured to detect distinct wavelengths or wavelength ranges relative to one another corresponding to distinct nucleotides; and
a computer in operative communication with the detection system and configured to collect and process the detectable emissions from the first and second groups of polynucleotides.
1 Assignment
0 Petitions
Accused Products
Abstract
A scanning detection system is provided in which emissions from locations in a flow cell are detected. In some embodiments, the system can include an excitation source, a photocleavage source, and modulating optics configured to cause an excitation beam generated by the excitation source to irradiate a first group of the fixed locations and to cause a photocleavage beam generated by the photocleavage source to irradiate a second group of the fixed locations, which is separate and apart from the first group of fixed locations. Methods of detecting sequencing reactions using such a system are also provided.
74 Citations
31 Claims
-
1. A polynucleotide sequencing system, comprising:
-
a flow cell having at least one channel, a plurality of polynucleotides disposed in the at least one channel, at least a portion of the plurality of polynucleotides comprising a detectable label; a first irradiation source configured to generate a first excitation beam which irradiates a first group of polynucleotides of the plurality of polynucleotides thereby exciting at least one detectable label of at least one polynucleotide of the first group of polynucleotides such that the at least one detectable label of the at least one polynucleotide of the first group of polynucleotides emits an emission signal; a second irradiation source configured to generate a second excitation beam which irradiates a second group of polynucleotides of the plurality of polynucleotides thereby exciting at least one detectable label of at least one polynucleotide of the second group of polynucleotides such that the at least one detectable label of the at least one polynucleotide of the second group of polynucleotides emits an emission signal, the second group of polynucleotides being different from the first group of polynucleotides, the first and second excitation beams simultaneously irradiating the first and second groups of polynucleotides, respectively, wherein the first excitation beam does not substantially overlap the second excitation beam; a detection system having at least a first detector configured to detect the emission signal from the at least one detectable label of the at least one polynucleotide of the first group of polynucleotides and having at least a second detector configured to detect the emission signal from the at least one detectable label of the at least one polynucleotide of the second group of polynucleotides, the first and second detectors configured to detect distinct wavelengths or wavelength ranges relative to one another corresponding to distinct nucleotides; and a computer in operative communication with the detection system and configured to collect and process the detectable emissions from the first and second groups of polynucleotides. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30)
-
-
15. A system for detecting emissions, comprising:
-
a flow cell comprising one or more channels, a plurality of polynucleotides in at least one of the channels; a first irradiation source configured to generate a first radiation beam which irradiates a first group of polynucleotides of the plurality of polynucleotides, at least one polynucleotide of the first group of polynucleotides configured to emit a detectable emission in response to the first radiation beam; a second irradiation source configured to generate a second radiation beam which irradiates a second group of polynucleotides of the plurality of polynucleotides, at least one polynucleotide of the second group of polynucleotides configured to emit a detectable emission in response to the second radiation beam, the second group of polynucleotides being different from the first group of polynucleotides, the first and second radiation beams simultaneously irradiating the first and second groups of polynucleotides, respectively, wherein the first radiation beam does not substantially overlap the second radiation beam; a detection system having at least four time-delay integration detectors, the system configured to detect at least the detectable emission produced by the at least one polynucleotide of the first group of polynucleotides and the detectable emission produced by the at least one polynucleotide of the second group of polynucleotides, the system configured such that at least one of the flow cell, the first group of polynucleotides, the second group of polynucleotides, and the plurality of polynucleotides move relative to the at least four time-delay integration detectors during detection of the emissions by the detection system, each of the at least four time-delay integration detectors configured to detect a distinct wavelength or wavelength range relative to the other time-delay integration detectors, the distinct wavelengths or wavelength ranges corresponding to distinct nucleotides; and a computer in operative communication with the detection system and configured to collect and process the detectable emissions from the first and second groups of polynucleotides. - View Dependent Claims (16, 17, 18, 27, 31)
-
Specification