The sonochemical coating of cotton withstands 65 washing cycles at hospital washing standards and retains its antibacterial properties


Hospital-acquired nosocomial infections are a major health, and consequently financial issue, in the world healthcare system. The problem of bacterial infections in general, and in hospitals in particular, has led to extensive scientific and industrial efforts to fabricate antibacterial textiles. A sonochemical coating machine was developed and built and its ability to coat antibacterial nanoparticles (NPs) onto 40–50 meter length of materials on a roll to roll basis at a speed of 22 cm/min. Cotton coated sonochemically with copper oxide nanoparticles (CuO NPs) was found to maintain its antibacterial properties even after 65 cycles of washings according to hospital protocols of hygienic washing (75 °C). This demonstrates the good quality and high stability of this sonochemically produced NPs coating on textiles. Durable antibacterial textiles such as these may be suitable for wide spread use in future hospital environments where hygiene control is of paramount importance.

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This research was carried out as part of the activities of the SONO Consortium, Contract No. NMP-2008-1.2-1-228730. SONO, is an IP Project of the 7th EC Program.

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Correspondence to Aharon Gedanken.

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Perelshtein, I., Ruderman, Y., Perkas, N. et al. The sonochemical coating of cotton withstands 65 washing cycles at hospital washing standards and retains its antibacterial properties. Cellulose 20, 1215–1221 (2013).

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  • Sonochemistry
  • Antibacterial nanoparticles
  • Copper oxide
  • Coating method