Advancement in continuous lactate determination in untreated human serum: multipolymer-based amperometric biosensor coupled with a low-cost 3D-printed microfluidic cell.
酶饱和是生物传感中乳酸监测的主要障碍,因为生物样品中乳酸浓度较高。本文采用声凝胶-碳换能器构建了一种用于乳酸(LA)测定的安培型生物传感器。该传感器以乳酸氧化酶(LOx)为生物识别元件,并在电极表面涂覆多层聚合物膜,以减轻酶饱和并提高运行稳定性。传感器具有适当灵敏度(1.74 µA mM−1 cm−2),线性工作范围为0.2–20 ...