%0 Journal Article %T Optofluidic differential spectroscopy for absorbance detection of sub-nanolitre liquid samples %A Song, Wuzhou %A Yang, Jianhang %J Lab on a Chip %V 12 %N 7 %P 1251-1254 %@ 1473-0197 %D 2012-03-07 %I The Royal Society of Chemistry %~ DeepDyve