Rechargeable Multifunctional Anti-Bacterial AEMs for Electrodialysis: Improving Anti-Biological Performance via Synergistic Antibacterial Mechanism.
anion exchange membrane
anti-biofilm
electrodialysis
surface modification
synergistic antibacterial mechanism
Journal
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
ISSN: 2198-3844
Titre abrégé: Adv Sci (Weinh)
Pays: Germany
ID NLM: 101664569
Informations de publication
Date de publication:
10 2023
10 2023
Historique:
revised:
20
07
2023
received:
02
06
2023
medline:
30
10
2023
pubmed:
12
9
2023
entrez:
12
9
2023
Statut:
ppublish
Résumé
Constructing a functional layer on the surface of commercial membrane (as a substrate) to inhibit the formation of biofilms is an efficient strategy to prepare an antibacterial anion exchange membrane (AEM). Herein, a rechargeable multifunctional anti-biological system is reported by utilizing the mussel-inspired L-dopa connection function on commercial AEMs. Cobalt nanoparticles (Co NPs) and N-chloramine compounds are deposited on the AEM surface by a two-step modification procedure. The anti-biofouling abilities of the membranes are qualitatively and quantitatively analyzed by adopting common Gram-negative (E. coli) and Gram-positive (S. aureus & Bacillus) bacteria as model biofouling organisms. The optimized membrane exhibits a high stability concerning the NaCl solution separation performance within 240 min. Meantime, the mechanism of the anti-adhesion is un-veiled at an atomic level and molecular dynamics (MD) simulation are conducted to measure the interaction, adsorption energy and average loading by using lipopolysaccharide (LPS) of E. coli. In view of the superior performance of antibacterial surfaces, it is believed that this work could provide a valuable guideline for the design of membrane materials with resistance to biological contamination.
Identifiants
pubmed: 37697634
doi: 10.1002/advs.202303588
pmc: PMC10602572
doi:
Substances chimiques
2-aminoethylmethacrylate
7659-36-1
Anti-Bacterial Agents
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e2303588Subventions
Organisme : National Natural Science Foundation of China
ID : 21878273
Organisme : National Natural Science Foundation of China
ID : 22008214
Informations de copyright
© 2023 The Authors. Advanced Science published by Wiley-VCH GmbH.
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