METHODS AND COMPOSITIONS FOR REFINING FEATURE BOUNDARIES IN MOLECULAR ARRAYS
Provided in some aspects are methods for light-controlled in situ surface patterning of a substrate. Compositions such as nucleic acid arrays produced by the methods are also disclosed. Further provided in some aspects are methods for light-controlled in situ refinement of nucleic acid array feature...
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| creator | RAMACHANDRAN IYER, Eswar Prasad |
| description | Provided in some aspects are methods for light-controlled in situ surface patterning of a substrate. Compositions such as nucleic acid arrays produced by the methods are also disclosed. Further provided in some aspects are methods for light-controlled in situ refinement of nucleic acid array feature boundaries. In some embodiments, a method disclosed herein comprises using photoresist for photocontrollable removal, blocking, and/or inactivation of nucleic acid molecules at feature boundaries. A large diversity of barcodes can be created in molecules on the substrate via sequential rounds of light exposure, hybridization, ligation, and further interceded and/or followed by one or more rounds of photocontrollable refinement of array feature boundaries, to improve spatial array resolution and sensitivity. |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | METHODS AND COMPOSITIONS FOR REFINING FEATURE BOUNDARIES IN MOLECULAR ARRAYS |
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