DNA/nickel oxide nanoparticles/osmium(III)-complex modified electrode toward selective oxidation of l-cysteine and simultaneous detection of l-cysteine and homocysteine.
本研究将玻碳电极(GC)修饰以电沉积镍氧化物纳米颗粒(NiOxNPs)和脱氧核糖核酸(DNA),作为包埋锇(III)配合物的高效新平台。采用场发射扫描电镜、循环伏安法和电化学阻抗谱研究了所得纳米复合材料修饰电极(GC/DNA/NiOxNPs/Os(III)-complex)的表面形貌和电化学性质。循环伏安结果表明,该电极对L-半胱氨...