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您的检索式：作者名="Guanglei Chu"
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| 1 | Rapid CO_(2)-laser scribing fabrication of an electrochemical sensor for the direct detection of Pb^(2+) and Cd^(2+)显示文摘Laser-induced graphene(LIG)is a highly promising preparation material for electrochemical sensors;however,its preparation speed and nanomaterial modification steps significantly limit its mass production.Herein,this study proposed a new laser printing strategy that considerably improved the preparation speed of LIG with excellent electrochemical performance.Using the optimal parameters(laser power of 1%,scribing spacing of 0.12 mm,scribing speed of 100 mm·s^(−1)),it took only 14.2 s to complete the preparation of the detection electrode.Thus,we successfully detected Cd^(2+)and Pb^(2+)without any toxic reagents or electrode modification steps.The limits of detection of the sensor were 0.914 and 0.916μg·L^(−1)for Cd^(2+)and Pb^(2+),respectively,which are significantly lower than the required values for drinking-water quality,according to the World Health Organization guidelines.This study provides a novel approach for the rapid detection of heavy-metal ions. | Guanglei Chu Yanyan Zhang Zhongrui Zhou Weixuan Zeng Dongfei Chen Siping Yu Jiemin Wang Yemin Guo Xia Sun Ming Li | 2023 | Nano Research2023，16，5： | 1 |
| 2 | The model of electrified cell clusters in biological tissues basing on the resting potential difference显示文摘The resting potential is the potential difference that exists between the inner and outer sides of the cell membrane when the cell is not stimulated.The resting membrane potential is a key regulator of phenomena such as cell proliferation,morphogenesis,migration and differentiation.In this paper,we proposed a model of electrified cell clusters that considers the resting potential of cell clusters in the resting state.By measuring the potential difference between the inner and outer sides of biological tissues,it is verified that the cell cluster has a negative potential difference when taking the outer potential as the reference.In the absence of external conductors,the tissue is electrically neutral;while in the presence of external conductors,the positive net charges escape freely under repulsive forces and the biological tissues form a negative electrical equilibrium system.The model proposed in this study explored the potential situation above the cellular level in the resting state,providing a new perspective for the research on resting potential. | Yufang He Peiguo Xu Huijie Wu Yong Chu Guanglei Zhang | 2023 | Medicine in Novel Technology and Devices2023，，2： | 0 |
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