Apparatus for treatment of light-sensitive biopolymers
First Claim
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1. A method of fabricating a device comprising an array of test locations defined on a substrate with each test location comprising one or more identical oligonucleotides affixed to the substrate, the method comprising:
- (1) identifying a nucleotide type to be attached at a particular test location in order to construct the one or more identical oligonucleotides at that test location and determining one or both of an illumination intensity and an illumination duration for a laser light source;
(2) directing a laser beam generated by the laser light source and having the determined intensity and/or duration at a mirror, the position of the mirror having been set so as to redirect the laser beam towards said test location, such that removal of a protective group or groups at the test location is achieved;
(3) attaching a nucleotide or nucleotides of said nucleotide type at the test location; and
(4) repeating said steps (1) to (3) at a plurality of test locations across the array in order to construct the required oligonucleotide(s) at each test location.
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Abstract
A method of fabricating a device comprising an array of test locations defined on a substrate with each test location comprising one or more identical oligonucleotides affixed to the substrate. The method comprises the steps of:
- (1) identifying a nucleotide type to be attached at a particular test location in order to construct the one or more identical oligonucleotides at that test location and determining one or both of an illumination intensity and an illumination duration for a laser light source;
- (2) directing a laser beam generated by the laser light source and having the determined intensity and/or duration at a mirror, the position of the mirror having been set so as to redirect the laser beam towards said test location, such that removal of a protective group or groups at the test location is achieved;
- (3) attaching a nucleotide or nucleotides of said nucleotide type at the test location; and
- (4) repeating said steps (1) to (3) at a plurality of test locations across the array in order to construct the required oligonucleotide(s) at each test location.
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Citations
14 Claims
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1. A method of fabricating a device comprising an array of test locations defined on a substrate with each test location comprising one or more identical oligonucleotides affixed to the substrate, the method comprising:
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(1) identifying a nucleotide type to be attached at a particular test location in order to construct the one or more identical oligonucleotides at that test location and determining one or both of an illumination intensity and an illumination duration for a laser light source; (2) directing a laser beam generated by the laser light source and having the determined intensity and/or duration at a mirror, the position of the mirror having been set so as to redirect the laser beam towards said test location, such that removal of a protective group or groups at the test location is achieved; (3) attaching a nucleotide or nucleotides of said nucleotide type at the test location; and (4) repeating said steps (1) to (3) at a plurality of test locations across the array in order to construct the required oligonucleotide(s) at each test location. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Apparatus for fabricating a device comprising an array of test locations defined on a substrate with each test location comprising one or more identical oligonucleotides affixed to the substrate, the apparatus comprising:
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a laser light source for generating a laser beam; an illumination controller for determining one or both of an illumination intensity and an illumination duration for a given test location, and for controlling the laser light source accordingly to generate a laser beam; a mirror; and a scan controller for setting the position of the mirror so as to redirect the laser beam towards said test location. - View Dependent Claims (9, 10)
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11. A method of fabricating a device comprising an array of test locations defined on a substrate with each test location comprising two or more different oligonucleotide types affixed to the substrate, the method comprising, for a given test location:
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(1) identifying an oligonucleotide type for which a nucleotide addition is to be made; (2) selecting a laser light source from a set of two or more available laser light sources in dependence upon the identified oligonucleotide type; (3) activating the selected laser light source and directing a laser beam at a mirror, the position of the mirror having been set so as to redirect the laser beam towards said test location, such that removal of a protective group or groups at the test location is achieved; (4) attaching a nucleotide or nucleotides at the test location; and (5) repeating steps (1) to (4) in respect of a further oligonucleotide type, step (2) comprising selecting a second of the available laser light sources; repeating said steps (1) to (5) at a plurality of test locations across the array in order to construct the required different oligonucleotide(s) types at each test location. - View Dependent Claims (12)
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13. Apparatus for fabricating a device comprising an array of test locations defined on a substrate with each test location comprising two or more different oligonucleotide types affixed to the substrate, the apparatus comprising:
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two or more laser light sources for generating a laser beam; an illumination controller for identifying an oligonucleotide type for which a nucleotide addition is to be made at a given test location, for selecting a laser light source from said two or more available lasers in dependence upon the identified oligonucleotide type, and for controlling the laser light source accordingly to generate a laser beam; a mirror; and a scan controller for setting the position of the mirror so as to redirect the laser beam towards said test location. - View Dependent Claims (14)
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Specification