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RSS FeedsIJMS, Vol. 24, Pages 2445: N-Doped Carbon/CeO2 Composite as a Biomimetic Catalyst for Antibacterial Application (International Journal of Molecular Sciences)

 
 

26 january 2023 14:50:23

 
IJMS, Vol. 24, Pages 2445: N-Doped Carbon/CeO2 Composite as a Biomimetic Catalyst for Antibacterial Application (International Journal of Molecular Sciences)
 


Exploring new and high efficiency mimic enzymes is a vital and novel strategy for antibacterial application. Haloperoxidase-like enzymes have attracted wide attention thanks to their amazing catalytic property for hypohalous acid generation from hydrogen peroxide and halides. However, few materials have displayed halogenating catalytic performance until now. Herein, we synthesized N-doped C/CeO2 (N-C/CeO2) composite materials by a combination of the liquid and solid-state method. N-C/CeO2 can possess haloperoxidase-like catalytic activity by catalyzing the bromination of organic signaling compounds (phenol red) with H2O2 at a wide range of temperatures (20 °C to 55 °C), with a solution color changing from yellow to blue. Meanwhile, it exhibits high catalytic stability/recyclability in the catalytic reaction. The synthesized N-C/CeO2 composite can effectively catalyze the oxidation of Br- with H2O2 to produce HBrO without the presence of phenol red. The produced HBrO can resist typical marine bacteria like Pseudomonas aeruginosa. This study provides an efficient biomimetic haloperoxidase and a novel sustainable method for antibacterial application.


 
106 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
IJMS, Vol. 24, Pages 2442: CRISPR/Cas9-Targeted Disruption of Two Highly Homologous Arabidopsis thaliana DSS1 Genes with Roles in Development and the Oxidative Stress Response (International Journal of Molecular Sciences)
IJMS, Vol. 24, Pages 2444: Cardiac Differentiation Promotes Focal Adhesions Assembly through Vinculin Recruitment (International Journal of Molecular Sciences)
 
 
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