ANTIBACTERIAL AND DIELECTRIC PROPERTIES OF TEXTILE MATERIALS MODIFIED WITH HERBAL EXTRACT OF Picea omorika AND THE COPPER FERRITE NANOPARTICLES

1. Dragana Grujić, Univerzitet u Banjaluci, Tehnološki fakultet, Republic of Srpska, Bosnia and Herzegovina
2. Dragana Cerović, University of Belgrade, Faculty of Physics, Studentski Trg 12, 11000 Belgrade, Serbia, Serbia
3. Blanka Škipina, Univerzitet u Banjaluci, Tehnološki fakultet, 78000 Banjaluka, Republic of Srpska, Bosnia and Herzegovina
4. Ljiljana Topalić-Trivunović, Univerzitet u Banjaluci, Tehnološki fakultet, Republic of Srpska, Bosnia and Herzegovina
5. Aleksandar Savić, Univerzitet u Banjaluci, Tehnološki fakultet, Republic of Srpska, Bosnia and Herzegovina

In this paper, cotton, polyester and cotton/polyester fabrics were modified by using herbal extract of Picea omorika and copper ferrite nanoparticles and their antibacterial and dielectric properties were investigated. Antibacterial activities of all samples were examined against Escherichia coli and Staphylococcus aureus. The most of the fabrics modified by copper ferrite showed antibacterial activities against Escherichia coli, while the addition of the herbal extract improved their antibacterial protection. Dielectric properties were measured in frequency range from 24 Hz to 75 kHz at room temperature and the results showed that the modification of all three fabrics with copper ferrite caused increase in their AC conductivity. The obtained results point to the possibility of using investigated fabrics for antibacterial protection as well as for the electromagnetic shielding application.

Ključne reči: Antibacterial properties; Dielectric properties; Fabrics; Herbal extract of Picea omorika; Copper ferrite nanoparticles.

Tematska oblast: SIMPOZIJUM A - Nauka materije, kondenzovane materije i fizika čvrstog stanja

Datum: 25.08.2020.

Contemporary Materials 2020 - Savremeni Materijali

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