首页> 外文期刊>International Journal of Electrochemical Science >dsDNA Sensing Capabilities of Metallopolymers Electrochemically Deposited from Ruthenium-Pyrrole and - Thiophene Complexes
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dsDNA Sensing Capabilities of Metallopolymers Electrochemically Deposited from Ruthenium-Pyrrole and - Thiophene Complexes

机译:钌-吡咯和-噻吩配合物电化学沉积的金属聚合物的dsDNA传感能力

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In the current work, a study is presented based on the variation of the monomer unit (thiophene orpyrrole) at electrochemically polymerizable ruthenium complexes, evaluating their possibleapplications in the field of biosensors to detect dsDNA. For both complexes ([Ru(p-cymene)(C 4 H 4 S) 2 ] 2+ and [Ru(p-cymene)(C 5 H 4 NH) 2 ] 2+ ), the metallopolymer is deposited on platinumelectrodes displaying voltamperometric responses consistent with expected polymer including thecorresponding Ru III " II redox signa. The subsequent evaluation of these electrodeposits, in the presenceand absence of dsDNA, demonstrated the essential role that monomer play when an application ofthese modified electrodes is needed. The use of thiophene as a polymerizable produces a more intenseanalyte-electrode interaction, with an electrode about 1.7 more sensitive to dsDNA compared to that ofpyrrole.
机译:在当前的工作中,基于可电化学聚合的钌配合物上单体单元(噻吩或吡咯)的变化,提出了一项研究,评估了它们在生物传感器领域中检测dsDNA的可能应用。对于两种配合物([Ru(对-cymene)(C 4 H 4 S)2] 2+和[Ru(对-cymene)(C 5 H 4 NH)2] 2+),金属聚合物都沉积在铂电极上,显示伏安响应与预期的聚合物一致,包括相应的Ru III“ II氧化还原信号。在存在和不存在dsDNA的情况下,对这些电沉积物的后续评估表明,当需要使用这些修饰电极时,单体起着至关重要的作用。可聚合的物质产生更强烈的分析物-电极相互作用,与吡咯相比,电极对dsDNA的敏感性高约1.7。

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