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铜基纳米酶的特性及其生物医学应用
牛嘉雪1(), 孙思2, 柳鹏飞1, 张晓东1,2, 穆晓宇1()
Copper-based Nanozymes: Properties and Applications in Biomedicine
NIU Jiaxue1(), SUN Si2, LIU Pengfei1, ZHANG Xiaodong1,2, MU Xiaoyu1()

图2. 铜基纳米酶的类抗氧化酶活性和清除ROS能力[68,70,86]

Fig. 2. Antioxidant-like enzyme and ROS scavenging activitivies of Cu-based nanozymes[68,70,86]
(a-c) SOD-like (a), GPx-like (b), and POD-like (c) activities of CuxO[68]; (d-f) H2O2 (d), O2·- (e) and free radical (f) scavenging activity of Cu5.4O USNPs[86]; (g) UV-Vis spectra of the reaction solution in the presence of Cu SAs/CN, ascorbic acid and H2O2 over time; (h) Michaelis-Menton curves obtained with different concentrations of substrate AA under the fixed concentration of Cu SAs/CN and H2O2; (i) Quantification for APX-like activities of Cu SAs/CN[70]
ROS: Reactive oxigen species; SOD: Superoxide dismutase; SA: Specific activities; AA: Ascorbic acid