A DNA construct comprises multiple units sequentially attached one to the other, wherein a unit comprises: a segment; an index attached to one end of the segment; an identifier attached to another end of the segment; an introducer attached to a 5′-end of either the index or the identifier; and a closure attached to a 5′-end of a remaining either identifier or index. A method for preparing the DNA construct and a method for analyzing a sequence of the DNA construct, as well as various embodiments thereof, are disclosed herein.

A DNA construct comprises multiple units sequentially attached one to the other, wherein a unit comprises: a segment; an index attached to one end of the segment; an identifier attached to another end of the segment; an introducer attached to a 5′-end of either the index or the identifier; and a closure attached to a 5′-end of a remaining either identifier or index. A method for preparing the DNA construct and a method for analyzing a sequence of the DNA construct, as well as various embodiments thereof, are disclosed herein.

Provided herein are compositions, kits, and methods for nucleic acid barcoding. The barcode compositions provided herein can be used to linearly, combinatorially, or spatially barcode a plurality of targets in a sample. Also provided herein is a device for use in a barcoding method provided herein comprising a light source and a sample holder.

Provided herein are compositions, kits, and methods for nucleic acid barcoding. The barcode compositions provided herein can be used to linearly, combinatorially, or spatially barcode a plurality of targets in a sample. Also provided herein is a device for use in a barcoding method provided herein comprising a light source and a sample holder.

Provided herein are methods for preparing biological samples for spatial proteomic analysis, methods of determining a location of a protein analyte in a biological sample, and methods of determining a location of a protein analyte and a nucleic acid analyte in a biological sample.

Provided herein are methods for preparing biological samples for spatial proteomic analysis, methods of determining a location of a protein analyte in a biological sample, and methods of determining a location of a protein analyte and a nucleic acid analyte in a biological sample.

Provided herein are methods of determining a surgical margin and the site and size of a tissue to be resected from a subject, and methods of use thereof.

Provided herein are methods of determining a surgical margin and the site and size of a tissue to be resected from a subject, and methods of use thereof.

This disclosure demonstrates an approach that translates synthetic DNA codes to spatial codes registered in nanoliter microchambers for multiplexed measurement of nearly any type of molecular targets (e.g., miRNAs, mRNAs, intracellular and surface proteins) in single cells.

This disclosure demonstrates an approach that translates synthetic DNA codes to spatial codes registered in nanoliter microchambers for multiplexed measurement of nearly any type of molecular targets (e.g., miRNAs, mRNAs, intracellular and surface proteins) in single cells.