An electrochemical test device for determining a concentration of one or more analytes in a fluid sample is provided. The electrochemical test device comprises a set of electrodes including two or more working electrodes, each working electrode for determining the concentration of a corresponding analyte, and sensing chemistry for each working electrode, wherein the sensing chemistry for a first of the two or more working electrodes comprises a diaphorase, an electron transfer agent, an NAD(P)+-dependent dehydrogenase and a cofactor for the NAD(P)+-dependent dehydrogenase, wherein at least some of the diaphorase for the first working electrode is disposed in a diaphorase-containing layer which extends over the first working electrode and at least a second of the two or more working electrodes.
提供了一种用于确定流体样品中一种或多种分析物浓度的电
化学测试装置。该电
化学测试装置包括一组电极,其中包括两个或多个工作电极,每个工作电极用于确定相应分析物的浓度,以及每个工作电极的传感
化学试剂,其中两个或多个工作电极中第一个工作电极的传感
化学试剂包括二
磷酸酶、电子传递剂、
NAD(P)+ 依赖性脱氢酶和
NAD(P)+ 依赖性脱氢酶的辅助因子、电子转移剂、
NAD(P)+ 依赖性脱氢酶和
NAD(P)+依赖性脱氢酶的辅助因子,其中用于第一工作电极的至少部分二
磷酸盐酶设置在含二
磷酸盐酶层中,该层延伸至第一工作电极和两个或多个工作电极中的至少一个第二电极上。