Gu SQ, Zhang YX, Zhu Y, Du WB, Yao B, Fang Q.
Anal Chem. 2011 Oct 1;83(19):7570-6. doi:10.1021/ac201678g
Multifunctional picoliter droplet manipulation platform and its application in single cell analysis.
Protocol carried out by sequential passage of droplets on immobilized beads.