Active dressings that based on fabric materials are an area of interest for the treatment of wounds. Poly(l-lactide) nanoparticles containing the antimicrobial agent octenidine can be controllably lysed by toxins released by pathogenic bacteria thus releasing antimicrobial material in response to the presence of the bacterial toxins and so counteracting the infection. We developed an integrated engineering solution that allows for the stable immobilisation of nanoparticles on non-woven fabrics. The process involves coating nanoparticles on non-woven polymer surfaces by using an inkjet printing process. In order to improve the adhesion and retention of the nanoparticles on the fabric, surface pretreatment of the non-woven fabric using plasma jet treatment can be applied to increase its surface energy.

ASTRaL team Laboratory of Green Chemistry Lappeenranta University of Technology Sammonkatu 12 50130 Mikkeli Finland

Mawson Institute University of South Australia Mawson Lakes SA 5095 Australia

Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany

R and D Centre for Low Cost Plasma and Nanotechnology Surface Modification Masaryk University Kotlářská 267 2 611 37 Brno Czech Republic

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