Kerr Emily, Hayne David J, Soulsby Lachlan C, Bawden Joseph C, Blom Steven J, Doeven Egan H, Henderson Luke C, Hogan Conor F, Francis Paul S
Institute for Frontier Materials, Deakin University Geelong Victoria 3220 Australia
School of Life and Environmental Sciences, Faculty of Science, Engineering and Built Environment, Deakin University Geelong Victoria 3220 Australia
Chem Sci. 2021 Dec 15;13(2):469-477. doi: 10.1039/d1sc05609c. eCollection 2022 Jan 5.
The classic and most widely used co-reactant electrochemiluminescence (ECL) reaction of tris(2,2'-bipyridine)ruthenium(ii) ([Ru(bpy)]) and tri--propylamine is enhanced by an order of magnitude by -[Ir(sppy)] (where sppy = 5'-sulfo-2-phenylpyridinato- ,), through a novel 'redox mediator' pathway. Moreover, the concomitant green emission of [Ir(sppy)]* enables internal standardisation of the co-reactant ECL of [Ru(bpy)]. This can be applied using a digital camera as the photodetector by exploiting the ratio of R and B values of the RGB colour data, providing superior sensitivity and precision for the development of low-cost, portable ECL-based analytical devices.
三（2,2'-联吡啶）钌（II）（[Ru(bpy)]）与三丙胺的经典且应用最广泛的共反应物电化学发光（ECL）反应通过-[Ir(sppy)]（其中sppy = 5'-磺基-2-苯基吡啶酸根-，）经由一种新型的“氧化还原介质”途径增强了一个数量级。此外，[Ir(sppy)]*伴随的绿色发射使得[Ru(bpy)]的共反应物ECL能够进行内标定量。通过利用RGB颜色数据的R值和B值之比，这可以使用数码相机作为光电探测器来应用，为开发低成本、便携式基于ECL的分析设备提供了卓越的灵敏度和精度。
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