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首页> 外文期刊>Electroanalysis >Electrochemiluminescent determination of chlorphenamine maleate based on Ru(bpy)(2+)(3) immobilized in a nano-titaniaafion membrane
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Electrochemiluminescent determination of chlorphenamine maleate based on Ru(bpy)(2+)(3) immobilized in a nano-titaniaafion membrane

机译:固定在纳米二氧化钛/ nafion膜上的Ru(bpy)(2 +)(3)的电化学发光法测定马来酸氯苯那敏

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摘要

The immobilization of tris(2,2'-bipyridyl)ruthenium(II) [Ru(bpy)(3)(2+)] in a TiO2/Nafion nanocomposites membrane modified glassy carbon electrode (GCE) was achieved via both an ion-exchange process and hydrophobic interactions. The surface-confined Ru(bpy)(3)(2+) shows good electrochemical and photochemical activities. The Ru(bpy)(3)(2+) underwent reversible surface process and reacted with chlorphenamine maleate (CPM) to produce electrochemiluminescence. The modified electrode was used for the ECL determination of CPM. It showed good linearity in the concentration range from 2 x 10(-8) g/mL to 1 x 10(-6) g/mL (R = 0.9995) with a detection 6 x 10(-9) g/mL (S/N = 3). The relative standard derivation (n = 11) was 2%. This method is developed for the determination of CPM with simplicity and high sensitivity.
机译:三(2,2'-联吡啶基)钌(II)[Ru(bpy)(3)(2+)]在TiO2 / Nafion纳米复合膜修饰玻碳电极(GCE)中的固定交换过程和疏水相互作用。表面受限的Ru(bpy)(3)(2+)具有良好的电化学和光化学活性。 Ru(bpy)(3)(2+)经过可逆的表面处理,并与马来酸氯苯那敏(CPM)反应产生电化学发光。修饰的电极用于CPM的ECL测定。在2 x 10(-8)g / mL到1 x 10(-6)g / mL(R = 0.9995)的浓度范围内显示出良好的线性,检出6 x 10(-9)g / mL(S / N = 3)。相对标准偏差(n = 11)为2%。该方法开发简便,灵敏度高,可用于测定CPM。

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