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Ni@TiO 2 nanoribbon array electrode for high-efficiency non-enzymatic glucose biosensing.

Peilin WuJianying YangYunze TaiXun HeLimei ZhangJiwen FanYongchao YaoBinwu YingWenchuang Walter HuFengming LuoXuping SunYi Li
Published in: Journal of materials chemistry. B (2024)
The exploration of noble metal-free nanoarrays as high-activity catalytic electrodes for glucose biosensing holds great significance. Herein, we propose a Ni nanoparticle-decorated TiO 2 nanoribbon array on a titanium plate (Ni@TiO 2 /TP) as an effective non-enzymatic glucose biosensing electrode. The as-prepared Ni@TiO 2 /TP electrode demonstrates rapid glucose response, a wide linear response range (1 μM to 1 mM), a low detection limit (0.08 μM, S/N = 3), and high sensitivity (10 060 and 3940 μA mM -1 cm -2 ), with good mechanical flexibility and stability. Moreover, it proves efficient in glucose biosensing in real human blood serum and cell culture fluid. Thus, it is highly promising for practical applications.
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