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- W4293530897 endingPage "114661" @default.
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- W4293530897 abstract "Atrazine (ATZ) is a highly toxic chlorine-containing aromatic structural triazine endocrine disruptor. Due to its chemical stability and electrochemical inertness, it is of great challenge and significance to establish a simple, portable, and in situ electrochemical sensor for ATZ. In the present work, a self-powered aptasensor (SPA) based on a novel enzyme-free photofuel cell (PFC) is successfully developed for ATZ for the first time. The designed SPA is constructed by the Ti-Fe-O nanotubes/nickel hydroxide (Ti-Fe-O NTs/Ni(OH)2) photoanode and Au/aptamer (Au/Apt) cathode, responsible for the spontaneous generation of electrons and specific recognition of ATZ, respectively. It is worth noting that Ti-Fe-O NTs on the photoanode can exhibit good visible-light absorption property, and modified Ni(OH)2 further enhances the photo-generated carrier separation and improves the output power generation of the SPA. The recognition is set at the cathode to ensure the detection of ATZ and the anti-interference ability. Under the separation mode, the constructed SPA has a high output power (390 μW cm-2), much better than most previous reports. It can further show specific recognition of ATZ with prominent sensitivity and a limit of detection (LOD) as low as 5.4 pM. Moreover, it has been applied to the real water sample analysis with satisfactory results. A promising self-powered sensing platform based on an enzyme-free PFC has therefore been provided for picomole level pollutants with high sensitivity and outstanding selectivity." @default.
- W4293530897 created "2022-08-30" @default.
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- W4293530897 date "2022-11-01" @default.
- W4293530897 modified "2023-10-18" @default.
- W4293530897 title "Self-powered aptasensor for picomole level pollutants based on a novel enzyme-free photofuel cell" @default.
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- W4293530897 doi "https://doi.org/10.1016/j.bios.2022.114661" @default.
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