Antibacterial and rechargeable surface functional nanofiber membrane for healthcare textile application

Combining photodynamic antimicrobials with nonwovens is prospective. However, common photosensitizers still have drawbacks such as poor photoactivity and the inability to charge. In this study, a photodynamic and high‐efficiency antimicrobial protective material was prepared by grafting bis benzophenone‐structured 4,4‐terephthaloyl diphthalic anhydride (TDPA) photosensitizer, and antimicrobial agent chlorogenic acid (CA) onto spunbond‐meltblown‐spunbond (SMS) membranes. The charging rates for ·OH and H2O2 were 6377.89 and 913.52 μg/g/h. The light absorption transients structural storage remained above 69% for 1 month. High electrical capacity remained after seven cycles indicating its rechargeability and recyclability. The SMS/TDPA/CA membrane has excellent bactericidal performance when under illumination or lightless conditions, and the bactericidal efficiency of Escherichia coli and Staphylococcus aureus reached over 99%. The construction of self‐disinfection textiles based on the photodynamic strategies proposed in this paper is constructive for expanding and promoting the application of textile materials in the medical field.

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Antibacterial and rechargeable surface functional nanofiber membrane for healthcare textile application

Abstract: The membrane could create a clean environment for doctors and patients to prevent nosocomial cross infection and the activity could be recharged.

Cited by 3 publications

References 19 publications

Nanoparticles at biointerfaces: Antibacterial activity and nanotoxicology

Nanoparticles at biointerfaces: Antibacterial activity and nanotoxicology

Facile preparation and characterization of a nanofiber-coated textile with durable and rechargeable antibacterial activity

Modification of traditional composite nonwovens with stable storage of light absorption transients and photodynamic antibacterial effect

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