title: Fluorescence analysis of picoliter samples.
mesh_terms: D008832:Microchemistry; D009243:NAD / Q000032:analysis*; D013050:Spectrometry, Fluorescence / Q000295:instrumentation / Q000379:methods*; D014508:Urea / Q000032:analysis*; D014510:Urease
chemical_list: D009243:NAD; D014508:Urea; D014510:Urease