engleski

Antimicrobial Effectiveness of Cellulose Based Fabrics Treated With Silver Nitrate Solutions Using Plasma Processes

In order to obtain antibacterial properties, the possibility of deposition of silver particles from silver nitrate solutions by Plasma Deposition Process using argon as a carrier gas (PDP-Ar) was explored. Hexamethyldisiloxane and acrylic acid were used as precursors and were deposited by Plasma Enhanced Chemical Vapor Deposition (PE-CVD). The processes were carried out on Lyocell and Modal fabrics and antimicrobial efficacy was determined on E. coli and S. aureus using time kill assay method. Results of minimal inhibitory concentration show that higher antimicrobial efficacy on E. coli exhibits the solution of silver nitrate in ethylene-glycol rather than in ethylene. Overall, the best antibacterial effect for both samples is achieved with the treatments with precursors (AAC and HMDSO) and AgNO3 in ethylene-glycol as solvent, with prolonged incubation time against E. coli.

cellulose fabrics, plasma processes, AgNO3, quantitative microbiological method, antibacterial

Sredstva potpore istraživanju za 2017: Antibakterijska svojstva tekstilnih materijala ekološkim postupcima obrade (voditelj: doc. dr.sc. M. Somogyi Škoc)