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. 2019 Sep 15;12(18):2985. doi: 10.3390/ma12182985

Figure 4.

Figure 4

(a) Illustration of ZnO nanoparticles between electrode and glucose oxidase adsorbed on the nanoparticle surface. (b) Circular dichroism spectrum of glucose oxidase (curve a: GOx/ZnO bio-conjunction and curve b: pure GOx). Reprinted from [56]. Copyright 2009, with permission from Elsevier.