Graphene‐Based Bacterial Filtration via Electrostatic Adsorption
نویسندگان
چکیده
Flexible graphene oxide (GO) microsheets with attached positively charged polymers, termed GOX microsheets, are efficient at bacterial adsorption, as they bind electrostatically to membranes’ negative surface charge. The authors explore an antimicrobial water filter application for GOX's extremely high area and its previously described adsorption.Cellulose-fiber carrier material is functionalized create adsorption-based bacteria filtration material. morphology charge density (7.8 × 1019 g–1) of the prepared fibers determined by scanning electron microscopy dye adsorption assay, widefield fluorescence used visualize stained Escherichia coli cells on fibers. tested in setups investigate their removal performance. experimental results, 100 mg filtering 2.4 109 colony-forming units (CFU) from E. culture 99.5% reduction, demonstrate fibers’ loading capacity. electrostatic mechanism allows be operated higher flow rates than micropore membrane filters, while maintaining 3-log reduction. materials removing via a rate alternative current processes that rely size-exclusion.
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ژورنال
عنوان ژورنال: Advanced Materials Interfaces
سال: 2022
ISSN: ['2196-7350']
DOI: https://doi.org/10.1002/admi.202101917