A multilevel antimicrobial coating prepared by micro-encapsulation of a gaseous biocide within smart polymers exhibits rapid and persistent surface disinfection against bacterial endospores and fungal spores. The new coating formulation display excellent sporicidal activity against B. subtilis endospores and spores of Cladosporium, Penicillium chrysogenum and Aspergillus niger. The antimicrobial coating can inactivate spores within 30 min of contact with the coated surface and the activity can be maintained for at least 30 days. The sporicidal mechanism was investigated by electron microscopies, ToF-SIMS and micro-Raman spectroscopies.

Sporicidal properties of a multilevel antimicrobial coating

245th National Meeting (2013)

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