Spatially selective sampling of single cells using optically trapped fusogenic emulsion droplets: a new single-cell proteomic tool - Lanigan,PMP; Chan,K; Ninkovic,T; Templer,RH; French,PMW; de,Mello AJ; Willison,KR; Parker,PJ; Neil,MAA; Ces,O; Klug,DR (JOURNAL OF THE ROYAL SOCIETY INTERFACE, 2008)