Self-powered photoelectrochemical aptasensor based on hollow tubular g-C3N4/Bi/BiVO4 for tobramycin detection.
Self-powered photoelectrochemical aptasensor based on hollow tubular g-C3N4/Bi/BiVO4 for tobramycin detection.
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DOI：
10.1016/j.aca.2023.340951
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发表时间：
2023-02
影响因子：
6.2
通讯作者：
Yuanyuan Zhang;Yuan Zhu;Tianjing Zeng;Lu Qiao;Mingjuan Zhang;Kexin Song;N. Yin;Yani Tao
中科院分区：
文献类型：
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作者：
Yuanyuan Zhang;Yuan Zhu;Tianjing Zeng;Lu Qiao;Mingjuan Zhang;Kexin Song;N. Yin;Yani Tao
研制了一种基于磷掺杂空心管g-C3 N4/Bi/BiVO 4（PT-C3 N4/Bi/BiVO 4）的妥布霉素（TOB）光电化学适体传感器。这种适体传感器是一种自供电的传感系统，它可以在可见光照射下产生电输出，而不需要外部电压供应。基于PT-C3 N4/Bi/BiVO 4的表面等离子体共振（SPR）效应和独特的中空管状结构，PEC适体传感器表现出增强的光电流和对TOB的良好的特异性响应。在优化的条件下，灵敏的适体传感器对TOB在0.01-50 ng mL− 1范围内呈现较宽的线性，检测限为4.27 pg mL−1。该传感器具有良好的选择性和稳定性，具有良好的光电化学性能。此外，该适体传感器已成功应用于河水和牛奶样品中TOB的检测。
A highly sensitive photoelectrochemical aptasensor based on phosphorus-doped hollow tubular g-C3N4/Bi/BiVO4(PT-C3N4/Bi/BiVO4) for tobramycin (TOB) detecting was developed. This aptasensor is a self-powered sensing system which could generate the electrical output under visible light irradiation with no external voltage supply. Based on the surface plasmon resonance (SPR) effect and unique hollow tubular structure of PT-C3N4/Bi/BiVO4, the PEC aptasensor exhibited an enhanced photocurrent and favorably specific response to TOB. Under the optimized conditions, the sensitive aptasensor presented a wider linearity to TOB in the range of 0.01–50 ng mL−1with a low detection limit of 4.27 pg mL−1. This sensor also displayed a satisfying photoelectrochemical performance with optimistic selectivity and stability. In addition, the proposed aptasensor was successfully applied to the detection of TOB in river water and milk samples.