This paper demonstrates the detection possibility of zeptomole level neurotransmitters released from two to three living PC-12 cells by employing FASS (the Field-amplified sample stacking) incorporated with a nano Pd-Pt-SWCNT (Pd-Pt nanostructure modified Single-wall carbon nanotube) electrode and integrated on a nano EC-CE (electrochemical capillairy electrophoresis) chip. The detection limit can approach 0.5 nM (? 38 zeptomole) dopamine with an S/N ratio > 2 for the releasing from two-three living cells.
Date:
2006-11
Relation:
10th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2006. 2006 Nov:954-956.
