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. 2016 Jan 4:7:1-8.
doi: 10.3762/bjnano.7.1. eCollection 2016.

Sonochemical co-deposition of antibacterial nanoparticles and dyes on textiles

Ilana Perelshtein  1 , Anat Lipovsky  1 , Nina Perkas  1 , Tzanko Tzanov  2 , Aharon Gedanken  3
Affiliations

Sonochemical co-deposition of antibacterial nanoparticles and dyes on textiles

Ilana Perelshtein et al. Beilstein J Nanotechnol. .

Abstract

The sonochemical technique has already been proven as one of the best coating methods for stable functionalization of substrates over a wide range of applications. Here, we report for the first time on the simultaneous sonochemical dyeing and coating of textiles with antibacterial metal oxide (MO) nanoparticles. In this one-step process the antibacterial nanoparticles are synthesized in situ and deposited together with dye nanoparticles on the fabric surface. It was shown that the antibacterial behavior of the metal oxides was not influenced by the presence of the dyes. Higher K/S values were achieved by sonochemical deposition of the dyes in comparison to a dip-coating (exhaustion) process. The stability of the antibacterial properties and the dye fastness was studied for 72 h in saline solution aiming at medical applications.

Keywords: antibacterial nanoparticles; coating stability; dyes; sonochemical coating.

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Figures

Figure 1
Figure 1
XRD patterns of sonochemically coated fabrics with: (a) ZnO and (b) CuO NPs.
Figure 2
Figure 2
Images of textile fibers (shredded bandages) colored with RO16 and RB5 dyes and functionalized with ZnO and CuO NPs in a one-step sonochemical process.
Figure 3
Figure 3
Absorption measurements in the visible region of the colored bandages coated with dyes RO16 (a) or RB5 (b) and ZnO or CuO NPs: (i) bandages coated with corresponding dyes and ZnO NPs by the sonochemical method; (ii) bandages coated with only dyes by sonochemical method; (iii) bandages coated with only dyes by dipping procedure; (iv) bandages coated with CuO NPs by the sonochemical method.
Figure 4
Figure 4
HRSEM images of (a) RB5 sonochemically deposited on cotton, (b) ZnO coated in the presence of RB5, (c) CuO coated in the presence of RB5; insets were taken in higher magnification.
Figure 5
Figure 5
1H NMR spectra of the dyes solution of (a) RO16 and (b) RB5 before (i) and after (ii) the sonochemical treatment.
Figure 6
Figure 6
Antibacterial properties of ZnO-coated bandages and ZnO/dye-coated bandages.
Figure 7
Figure 7
Antibacterial properties of CuO-coated bandages and CuO/dye-coated bandages.
Figure 8
Figure 8
Comparison of dye stability after leaching in saline solution for 72 h at 40 °C and shaking at 100 rpm for the colored bandages coated with RO16 (a) or RB5 (b) and ZnO or CuO NPs. The data is for three independent experiments.
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