Antimicrobial Behavior of Semifluorinated-Quaternized Triblock Copolymers against Airborne and Marine Microorganisms
Source abstract
Abstract
Semifluorinated-quaternized triblock copolymers (SQTCs) were synthesized by chemical modification of polystyrene-block-poly(ethylene-ran-butylene)-block-polyisoprene ABC triblock copolymers. Surface characterization of the polymers was performed by X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS) analysis. The surface of the SQTC showed very high antibacterial activity against the airborne bacterium Staphylococcus aureus with >99 % inhibition of growth. In contrast in marine fouling assays, zoospores of the green alga Ulva settled on the SQTC, which can be attributed to the positively charged surface. The adhesion strength of sporelings (young plants) of Ulva and Navicula diatoms (a unicellular alga) was high. The SQTC did not show marked algicidal activity.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Marine Biology and Environmental Chemistry · Polymer Surface Interaction Studies · Microplastics and Plastic Pollution
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Science & Engineering and Department of Microbiology, Cornell University, Ithaca, New York 14853, School of Biosciences, The University of Birmingham, Birmingham B15 2TT, United Kingdom, Department of Chemical and Biomolecular Engineering, Clarkson University, Potsdam, New York 13699, Department of Materials, University of California, Santa Barbara, California 93106, KRATON Polymers, Houston, TX 77082, and National Institute of Standards and Technology, Gaithersburg, Maryland 20899
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