Nitric oxide determination by amperometric carbon fiber microelectrode.
Nitric oxide (NO) amperometric microsensor was prepared by the modification of bare carbon fiber electrode by Nafion and cellulose acetate (CA). Detection limit, response time, reproducibility and influence of some possible interferences (nitrite, nitrate, arginine) were tested and evaluated. This sensor was used for in vitro determination of NO release from fresh porcine aorta induced by calcium ionophore A23187 (CI).
Katrlík
Jaroslav
J
Department of Analytical Chemistry, Faculty of Pharmacy, Comenius University, Odbojárov 10, SK-832 32 Bratislava, Slovakia. katrlik@fpharm.uniba.sk
Zálesáková
Pavlína
P
D000818:Animals; D002244:Carbon; D004563:Electrochemistry / Q000295:instrumentation*; D008839:Microelectrodes; D009569:Nitric Oxide / Q000032:analysis*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity
D009569:Nitric Oxide; D002244:Carbon