铜基纳米酶的特性及其生物医学应用
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牛嘉雪 1(  ), 孙思 2, 柳鹏飞 1, 张晓东 1,2, 穆晓宇 1(  )
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Copper-based Nanozymes: Properties and Applications in Biomedicine
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NIU Jiaxue 1(  ), SUN Si 2, LIU Pengfei 1, ZHANG Xiaodong 1,2, MU Xiaoyu 1(  )
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图3. 铜基纳米酶的类氧化酶活性和产生ROS能力[69,81]
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Fig. 3. Oxidase-like and ROS generating activity of Cu-based nanozymes[69,81] (a) 1H NMR spectra of GSH at different points during reaction with SSNEs; (b, c) Kinetics of GSHOx-like (b) and POD-like (c) activities of SSNEs and SSNES-G; (d) ·OH generating activity of SSNEs and SSNES-G[69]; (e) 1O2 generating activity of Cu SAzyme with DPBF serving as the indicator; (f) 1O2, O2·- and ·OH generating activity of Cu SAzyme with TEMP, BMPO and DMPO as trapping agents in the presence of H2O2[81] GSH: Glutathione; SSNEs: Single-site nanozyme; GSHOx: Glutathione oxidase; POD: Peroxidase; DPBF: 1,3-diphenyl isobenzofuran; mM: mmol/L; μM: μmol/L
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