2011
DOI: 10.1016/j.cireng.2011.02.004
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In Vitro Study of the Antimicrobial Properties of a Silver Ion-Releasing Polyurethane Foam

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Cited by 4 publications
(3 citation statements)
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“…The activity of silver relies on the fact that Ag + ions diffuse from the substrate and exert a strong inhibitory effect (remarkable at concentrations as low as 0.001 ppm) on a wide range of microorganisms such as bacteria, molds, and viruses . In combination with polyurethane matrices and polyurethane foams, silver nanoparticles showed high bactericidal activities. Nevertheless, the treatment of human consumer goods such as water or food with Ag + ions or silver nanoparticles poses risks that need to be addressed. On the one hand, Ag + ions increase their activity with increasing concentration, requiring relatively high concentrations of 0.2 ppm or more.…”
Section: Resultsmentioning
confidence: 99%
“…The activity of silver relies on the fact that Ag + ions diffuse from the substrate and exert a strong inhibitory effect (remarkable at concentrations as low as 0.001 ppm) on a wide range of microorganisms such as bacteria, molds, and viruses . In combination with polyurethane matrices and polyurethane foams, silver nanoparticles showed high bactericidal activities. Nevertheless, the treatment of human consumer goods such as water or food with Ag + ions or silver nanoparticles poses risks that need to be addressed. On the one hand, Ag + ions increase their activity with increasing concentration, requiring relatively high concentrations of 0.2 ppm or more.…”
Section: Resultsmentioning
confidence: 99%
“…Intriguingly, published data [7,8] reported that silver-based medical preparations exert both an antimicrobial effect and a role in attenuating the inflammation of the airway in a murine model of asthma [9]. Furthermore both silver-based preparation and quarz can modulate the proliferation rate of fibroblast cells which are the main actors of wound healing process [10,11].…”
Section: Hypothesismentioning
confidence: 96%
“…The total amount of silver released after 24 h did not exceed 1 % in any of the foams (Figure 40). Initial burst release of the antimicrobial agent, which is a common issue when using polyurethane foams, [241][242][243] was not observed in this assay. AgNPs can act as reservoirs of Ag + that are released in a sustained fashion, which is advantageous over free Ag + in terms of prolonged antibacterial action.…”
Section: Silver Release Kineticsmentioning
confidence: 99%