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Materials 2016, 9(7), 544;

Investigation of Industrial Polyurethane Foams Modified with Antimicrobial Copper Nanoparticles

Dipartimento di Chimica, Università Degli Studi di Bari “Aldo Moro”, via E. Orabona 4, Bari (BA) 70126, Italy
Dipartimento di Medicina Veterinaria, Università Degli Studi di Bari “Aldo Moro”, St.da P.le per Casamassima Km 3, Valenzano (BA) 70010, Italy
Dipartimento di Ingegneria dell’Innovazione, Università del Salento, via per Monteroni, Lecce (LE) 73100, Italy
Dipartimento Interateneo di Fisica, Università Degli Studi di Bari “Aldo Moro”, via Amendola 173, Bari (BA) 70126, Italy
Author to whom correspondence should be addressed.
Academic Editor: Carla Renata Arciola
Received: 22 April 2016 / Revised: 17 June 2016 / Accepted: 29 June 2016 / Published: 7 July 2016
(This article belongs to the Special Issue Advances and Applications of Nano-antimicrobial Treatments)
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Antimicrobial copper nanoparticles (CuNPs) were electrosynthetized and applied to the controlled impregnation of industrial polyurethane foams used as padding in the textile production or as filters for air conditioning systems. CuNP-modified materials were investigated and characterized morphologically and spectroscopically, by means of Transmission Electron Microscopy (TEM), and X-ray Photoelectron Spectroscopy (XPS). The release of copper ions in solution was studied by Electro-Thermal Atomic Absorption Spectroscopy (ETAAS). Finally, the antimicrobial activity of freshly prepared, as well as aged samples—stored for two months—was demonstrated towards different target microorganisms. View Full-Text
Keywords: copper nanoparticle; polyurethane foam; ETAAS; XPS; nanoantimicrobials copper nanoparticle; polyurethane foam; ETAAS; XPS; nanoantimicrobials

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Sportelli, M.C.; Picca, R.A.; Ronco, R.; Bonerba, E.; Tantillo, G.; Pollini, M.; Sannino, A.; Valentini, A.; Cataldi, T.R.; Cioffi, N. Investigation of Industrial Polyurethane Foams Modified with Antimicrobial Copper Nanoparticles. Materials 2016, 9, 544.

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