Development of a new paper based nano-biosensor using the co-catalytic effect of tyrosinase from banana peel tissue (Musa Cavendish) and functionalized silica nanoparticles for voltammetric determination of l-tyrosine.
本文设计了一种简便的电化学方法用于L-酪氨酸测定。将香蕉皮组织中的酪氨酸酶通过物理吸附固定在纸盘纤维基质中,并分别向纸盘中加入介质六氰合铁酸钾和3-巯基丙基三甲氧基硅烷功能化二氧化硅纳米粒子。将修饰纸盘置于石墨丝网印刷电极上方,采用循环伏安法和电化学阻抗谱对生物传感器进行表征。优化了pH、香蕉皮组织百分比和介质负载量等有效参数。采用...