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      The Improvement of the Resistance to Candida albicans and Trichophyton interdigitale of Some Woven Fabrics Based on Cotton

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          Abstract

          This paper presents the improvement of the antimicrobial character of woven fabrics based on cotton. The woven fabrics were cleaned in oxygen plasma and treated by padding with silver chloride and titanium dioxide particles. The existence of silver and titanium on woven fabrics was evidenced by electronic microscope images (SEM, EDAX) and by flame atomic absorption spectrophotometry. The antimicrobial tests were performed with two fungi: Candida albicans and Trichophyton interdigitale. The obtained antimicrobial effect was considerably higher compared to the raw fabrics. Treatment of dyed fabrics with a colloidal solution based on silver chloride and titanium dioxide particles does not considerably influence colour resistance of dyes.

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          Fungus-mediated synthesis of silver nanoparticles and their activity against pathogenic fungi in combination with fluconazole.

          Silver nanoparticles (Ag-NPs) are known to have inhibitory and bactericidal effects. Resistance of fungal infections has emerged in recent years and is a major health problem. Here, we report the extracellular biosynthesis of Ag-NPs using a common fungus, Alternaria alternata. Also in this study, these nanoparticles were evaluated for their part in increasing the antifungal activity of fluconazole against Phoma glomerata, Phoma herbarum, Fusarium semitectum, Trichoderma sp., and Candida albicans. The antifungal activity of fluconazole was enhanced against the test fungi in the presence of Ag-NPs. Fluconazole in combination with Ag-NPs showed the maximum inhibition against C. albicans, which was confirmed from the increase in fold area of inhibition, followed by P. glomerata and Trichoderma sp., which showed less increase in the fold area, whereas no significant enhancement of activity was found against P. herbarum and F. semitectum. The antifungal activity of fluconazole was enhanced in presence of silver nanoparticles against the test fungi. Fluconazole in combination with Ag-NPs showed the maximum inhibition against C. albicans, followed by P. glomerata and Trichoderma sp. No significant enhancement of activity was found against P. herbarum and F. semitectum.
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            Antimicrobial effect of surgical masks coated with nanoparticles.

            This study assessed the antimicrobial activity of nanoparticles (consisting of a mixture of silver nitrate and titanium dioxide) and nanoparticle-coated facemasks to protect against infectious agents. The minimum inhibitory concentrations of the nanoparticles against Escherichia coli and Staphylococcus aureus were 1/128 and 1/512, respectively. The antibacterial activity of nanoparticle-coated masks was quantified according to the procedures of AATCC 100-1999. A 100% reduction in viable E. coli and S. aureus was observed in the coated mask materials after 48 h of incubation. Skin irritation was not observed in any of the volunteers who wore the facemasks. Nanoparticles show promise when applied as a coating to the surface of protective clothing in reducing the risk of transmission of infectious agents.
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              Recent Advances in Antimicrobial Treatments of Textiles

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                Author and article information

                Journal
                Bioinorg Chem Appl
                Bioinorg Chem Appl
                BCA
                Bioinorganic Chemistry and Applications
                Hindawi Publishing Corporation
                1565-3633
                1687-479X
                2014
                4 September 2014
                : 2014
                : 763269
                Affiliations
                1National R&D Institute for Textile and Leather, 16 Lucretiu Patrascanu Street, 030508 Bucharest, Romania
                2National R&D Institute for Textile and Leather, Leather and Footwear Research Institute, 93 Ion Minulescu Street, 031215 Bucharest, Romania
                3National Institute for Laser, Plasma and Radiation Physics, Electron Accelerators Laboratory, 409 Atomistilor Street, 077125 Magurele, Romania
                Author notes
                *Maria Daniela Stelescu: dmstelescu@ 123456yahoo.com

                Academic Editor: Zheng Dong

                Author information
                http://orcid.org/0000-0001-8563-9070
                Article
                10.1155/2014/763269
                4168144
                b542100a-ed43-4f58-9cc7-2a62298d4e89
                Copyright © 2014 Lilioara Surdu et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 30 May 2014
                : 11 July 2014
                : 12 August 2014
                Categories
                Research Article

                Biochemistry
                Biochemistry

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