Perovskite-SrTiO3/TiO2/PDA as photoelectrochemical glucose biosensor
Perovskite-SrTiO3/TiO2/PDA as photoelectrochemical glucose biosensor
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钙钛矿-SrTiO3/TiO2/PDA作为光电化学葡萄糖生物传感器
DOI:
10.1016/j.ceramint.2021.07.152
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发表时间:
2021-07
影响因子:
5.2
通讯作者:
Li Xiaotian
中科院分区:
文献类型:
--
作者:
Wang Yuanyuan;Yin Li;Wu Jie;Li Nan;He Na;Zhao Haixin;Wu Qiang;Li Xiaotian
The complexity of the biological sample to be tested requires the sensor to have a wide monitoring range, accurate selectivity, and excellent environmental tolerance. Here, we report a new strategy of in situ transformation of perovskite to form a heterojunction and combined with bioactive enzyme protective substances, thereby achieving a collection of multiple sensing properties. Through in situ conversion of TiO2to SrTiO3to form a heterojunction to provide high oxidation activity and protection for GOx through PDA, the TiO2/SrTiO3/PDA/GOx biosensor achieves an ultra-wide linear detection range of 0–32 mM. Such a range can effectively monitor the physical condition of people with high blood sugar levels (above 20 mM). Good stability, anti-interference, environmental tolerance, and accurate human blood detection all prove the excellent sensing performance and practical application potential of the TiO2/SrTiO3/PDA/GOx biosensor.
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