Screen-printed electrode modified with carbon black and chitosan: a novel platform for acetylcholinesterase biosensor development.
本文报道了一种以炭黑(CB)和壳聚糖(chitosan)分散液滴涂修饰的丝网印刷电极(SPE),用于构建乙酰胆碱酯酶(AChE)生物传感器。循环伏安法对铁氰化钾、咖啡酸、氢醌和硫胆碱的测试表明,与裸SPE及仅壳聚糖修饰SPE相比,CB/壳聚糖修饰电极的电化学响应明显改善,并可在较低电位下高灵敏检测硫胆碱。作者将AChE、壳聚糖和CB...