Integrated multienzyme electrochemical biosensors for monitoring malolactic fermentation in wines.
本文报道了用于测定L-苹果酸和L-乳酸的整合型安培生物传感器。分别将L-苹果酸脱氢酶(MDH)与二氢吡啶辅酶脱氢酶(DP),或L-乳酸氧化酶(LOX)与辣根过氧化物酶(HRP)共固定化,并与四硫富瓦烯(TTF)介体负载于3-巯基丙酸(MPA)自组装单分子层(SAM)修饰的金电极上,用透析膜包埋。TTF在+100 mV(vs. Ag/...