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Synergistic antimicrobial activities of peroxymonosulfate with Ce-FcDC as an activator
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Synergistic antimicrobial activities of peroxymonosulfate with Ce-FcDC as an activator
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Journal Article
Synergistic antimicrobial activities of peroxymonosulfate with Ce-FcDC as an activator
2025
Overview
Ce-MOFs with ferrocenedicarboxylic acid ligands (Ce-FcDC) as a bifunctional nanozyme exhibited high peroxidase (POD)-mimicking activity and superoxide dismutase (SOD)-mimicking activity. H
2
O
2
was produced from catalytic hydrolysis of peroxymonosulfate (PMS) using Ce-FcDC as a catalyst. The growth of
E. coli
and
S. aureus
were synergistically and more effectively suppressed by PMS in the presence of Ce-FcDC, in comparison with the sole use of PMS or Ce-FcDc. Under the catalysis of Ce-FcDC as the POD-mimicking nanozyme, PMS could be activated by Ce-FcDC to produce SO
4
•−
and •OH and H
2
O
2
from the hydrolysis of PMS was further derivatized to O
2
•−
and •OH. Ce-FcDC as the SOD-mimicking nanozyme causes O
2
•−
to form H
2
O
2
. The generation of O
2
•−
and •OH were confirmed using p-benzoquinone and isopropanol alcohol as the scavengers. The resulted SO
4
•−
, O
2
•−
, and •OH from combination of PMS with Ce-FcDC as an activator may have key roles for suppressing the growth of
E. coli
and
S. aureus
. This strategy could be an effective approach for suppressing the growth and preventing infections or pollutions of some other microbial cells as well.
Graphical abstract
Publisher
Springer Vienna,Springer,Springer Nature B.V
Subject
/ Anti-Bacterial Agents - chemistry
/ Anti-Bacterial Agents - pharmacology
/ Bacteria
/ Characterization and Evaluation of Materials
/ Chemistry and Materials Science
/ E coli
/ Escherichia coli - drug effects
/ Escherichia coli - growth & development
/ Ferrous Compounds - chemistry
/ Ferrous Compounds - pharmacology
/ Hydrogen Peroxide - chemistry
/ Hydrogen Peroxide - metabolism
/ Metal-Organic Frameworks - chemistry
/ Metal-Organic Frameworks - pharmacology
/ Mimicry
/ Sodium
/ Staphylococcus aureus - drug effects
