%0 Journal Article %T On-demand sample injection: combining acoustic actuation with a tear-drop shaped nozzle to generate droplets with precise spatial and temporal control %A Brenker, Jason C. %A Devendran, Citsabehsan %A Neild, Adrian %A Alan, Tuncay %J Lab on a Chip %V 20 %N 2 %P 253-265 %@ 1473-0197 %D 2020-01-21 %I The Royal Society of Chemistry %~ DeepDyve