Research on the Antibacterial Properties of MXene-Based 2D-2D Composite Materials Membrane

Novel MXene-based two-dimensional (2D) membranes are widely used for water purification due to their highly controllable structure and antibacterial properties. However, in the process of membrane separation, the problems of membrane fouling, especially biological fouling, limits the further applica...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2023-07, Vol.13 (14), p.2121
Main Authors: Cheng, Xiaojie, Qin, Xiaojian, Su, Zhenglun, Gou, Xun, Yang, Zhaomei, Wang, Hongshan
Format: Article
Language:English
Subjects:
Antibacterial activity
antibacterial properties
Biofilms
biological pollution
Carbon nitride
Cell density
Composite materials
Controllability
E coli
Escherichia coli
Fouling
Graphene
Graphite
Identification and classification
Membrane processes
Membrane separation
Membranes
Membranes (Technology)
Microorganisms
Morphology
MXene
MXenes
Nanoparticles
Permeability
Polyethersulfones
Properties
Scanning electron microscopy
Separation
Staphylococcus aureus
Substrates
Transition metal compounds
two-dimensional materials membrane
Water pollution
Water purification
Water treatment
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Summary:Novel MXene-based two-dimensional (2D) membranes are widely used for water purification due to their highly controllable structure and antibacterial properties. However, in the process of membrane separation, the problems of membrane fouling, especially biological fouling, limits the further application of MXene-based membranes. In this study, in order to improve the antibacterial and separation properties of membranes, three kinds of MXene-based 2D-2D composite membranes (M2~M4) were prepared using polyethersulfone (PES) as the substrate, which were GO@MXene, O-g-C N @MXene and BiOCl@MXene composite membranes respectively. The results showed that the antibacterial activity of M2~M4 against and was further improved, especially the antibacterial ratio of M4 against and was up to 50% and 82.4%, respectively. By comparing the surface morphology of MXene membrane and modified membrane treated bacteria through scanning electron microscopy (SEM), it was found that the cell density on modified membrane was significantly lower than that of pure MXene membrane.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano13142121