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Au/TiO2 nanobelt heterostructures for the detection of cancer cells and anticancer drug activity by potential sensing

机译:Au / TiO2纳米带异质结构,通过电位传感检测癌细胞和抗癌药物活性

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摘要

Cancer is a cell dysfunction disease. The detection of cancer cells is extremely important for early diagnosis and clinical treatments. At present, the pretreatment for the detection of cancer cells is costly, complicated and time-consuming. As different species of the analytes may give rise to specific voltammetric signals at distinctly different potentials, simple potential sensing has the specificity to detect different cellular species. By taking advantage of the different electrochemical characteristics of normal cells, cancer cells and biointeractions between anticancer drugs and cancer cells, we develop a specific, sensitive, direct, cost-effective and rapid method for the detection of cancer cells by electrochemical potential sensing based on Au/TiO2 nanobelt heterostructure electrodes that will be of significance in early cancer diagnosis, in vitro screening of anticancer drugs and molecular biology research.
机译:癌症是一种细胞功能障碍疾病。癌细胞的检测对于早期诊断和临床治疗极为重要。目前,用于检测癌细胞的预处理是昂贵,复杂和费时的。由于不同种类的分析物可能会在明显不同的电势下产生特定的伏安信号,因此简单的电势感测具有检测不同细胞种的特异性。通过利用正常细胞,癌细胞的不同电化学特性以及抗癌药物与癌细胞之间的生物相互作用,我们开发了一种特异性,灵敏,直接,具有成本效益的快速方法,可基于电化学电势感测来检测癌细胞Au / TiO2纳米带异质结构电极在早期癌症诊断,体外抗癌药物筛选和分子生物学研究中将具有重要意义。

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