METHODS, KITS, COMPOSITIONS, AND SYSTEMS FOR SPATIAL ANALYSIS

    公开(公告)号:US20250163501A1

    公开(公告)日:2025-05-22

    申请号:US18834805

    申请日:2023-01-31

    Abstract: Provided herein are methods of analyzing an analyte in a fixed biological sample on a first substrate that has been stored for a long period of time, the method comprising: (a) hybridizing a first probe and a second probe to the analyte of the fixed biological sample; (b) coupling the first probe and the second probe, thereby generating a connected probe; (c) aligning the first substrate with a second substrate comprising an array, wherein the array comprises a plurality of capture probes, wherein a capture probe of the plurality of capture probes comprises: (i) a spatial barcode and (ii) a capture domain; (d) when the biological sample is aligned with at least a portion of the array, (i) releasing the connected probe from the analyte and (ii) migrating the connected probe from the biological sample to the array; and (e) hybridizing the connected probe to the capture domain.

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