Cell. 2015 May 21;161(5):1187-1201. doi:10.1016/j.cell.2015.04.044

Klein AM, Mazutis L, Akartuna I, Tallapragada N, Veres A, Li V, Peshkin L, Weitz DA, Kirschner MW.

Droplet barcoding for single-cell transcriptomics applied to embryonic stem cells.

inDrop. Uses photo-cleavable oligonucleotides.