Antimicrobial from Silver-Graphene Coated Medical Textiles

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Antimicrobial from Silver-Graphene Coated Medical Textiles ( antimicrobial-from-silver-graphene-coated-medical-textiles )

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Polymers 2019, 11, 2000 14 of 21 Thus, it offers a rapid, convenient, scalable route to conformal NP–decorated and nanocomposite soft matter coatings. Supplementary Materials: The following are available online at http://www.mdpi.com/2073-4360/11/12/2000/s1. Mechanistic and coated system overview, DLS precursor data, precursor ζ-potential readings, photographs of cuttings, microscope images, SEM images, XRD patterns, Scherrer-based crystallite size estimations, fabric thickness analysis, UV–Vis absorbance spectra, Raman spectra, ATR—FTIR spectra, DSC curves, and TGA/dTGA thermograms. Author Contributions: Conceptualization, N.N. Formal analysis, N.N. Funding acquisition, N.N. Investigation, N.N., S.M., M.W.Y., C.Y.C., F.W., and P.H.-m.L. Methodology, N.N., S.T., M.Z.Y., Q.M., and P.H.-m.L. Project administration, N.N. Resources, N.N. and P.H.-m.L. Supervision, N.N. Writing—original draft, N.N. Writing—review & editing, S.M., M.W.Y., F.W., Q.M., and P.H.-m.L. Funding: Nuruzzaman Noor would like to thank both the Institute of Textiles and Clothing (ITC) of The Hong Kong Polytechnic University, for funding (1-ZVK4 & 1-ZVLR), as well as the HK University Grants Committee (F-PP5D). Acknowledgments: Nuruzzaman Noor would like to thank the Hong Kong UGC RGC (GRF F-PP5D) and both ITC and FAST of HK PolyU, for funding (1-ZVK4 & 1-ZVLR). Dr. Patrick Siu Wong Pang is thanked for useful discussions and for assistance with the Raman spectroscopy, ATR-FTIR, ICP-OES, and TGA-DSC instruments. Miss Rise Choi is thanked for assistance with the laundering leaching tests, and Miss Mownin Sun is thanked for assistance with UV–Vis instruments. The authors would also like to acknowledge support from the HK PolyU Materials Research Centre. Conflicts of Interest: The authors declare no competing financial interest. References 1. Akbar, R.; WHO. World Health Organization: Ten Threats to Global Health in 2019. Available online: https://www.who.int/emergencies/ten-threats-to-global-health-in-2019 (accessed on 25 March 2019). 2. World Economics Forum. The Global Risks Report; World Economics Forum: Cologne, Switzerland, 2018; Volume 13, pp. 52–53. 3. An, J.; Guo, G.; Yin, R.; Luo, Q.; Li, X.; Liu, F.; Wang, D. Facile preparation of silver/reduced graphene oxide/chitosan colloid and application of the nanocomposite in antibacterial and catalytic activity. Polym. Int. 2018, 67, 515–527. [CrossRef] 4. Yip, J.; Liu, L.; Wong, K.H.; Leung, P.H.M.; Yuen, C.W.M.; Cheung, M.C. Investigation of antifungal & antibacterial effects of fabric padded with highly stable selenium nanoparticles. J. Appl. Polym. Sci. 2014, 131, 8886–8893. 5. Tan, F.; Leung, P.H.M.; Liu, Z.; Zhang, Y.; Xiao, L.; Ye, W.; Zhang, X.; Yi, L.; Yang, M. A PDMS microfluidic impedance immunosensor for E. coli O157:H7 and Staphylococcus aureus detection via antibody-immobilized nanoporous membrane. Sens. Actuators B Chem. 2011, 159, 328–335. [CrossRef] 6. Li, Y.; Leung, P.; Yao, L.; Song, Q.W.; Newton, E. Antimicrobial effect of surgical masks coated with nanoparticles. J. Hosp. Infect. 2006, 62, 58–63. [CrossRef] [PubMed] 7. Petkova, P.; Francesko, A.; Fernandes, M.M.; Mendoza, E.; Perelshtein, I.; Gedanken, A.; Tzanov, T. Sonochemical coating of textiles with hybrid ZnO/chitosan antimicrobial nanoparticles. ACS Appl. Mater. Interfaces 2014, 6, 1164–1172. [CrossRef] 8. Abramov, O.V.; Gedanken, A.; Koltypin, Y.; Perkas, N.; Perelshtein, I.; Joyce, E.; Mason, T.J. Pilot scale sonochemical coating of nanoparticles onto textiles to produce biocidal fabrics. Surf. Coat. Technol. 2009, 204, 718–722. [CrossRef] 9. Ashour, M.; El-Nakhal, K. Nosocomial infection in patients admitted to an intensive care unit at Al-Shifa Hospital in the Gaza Strip, occupied Palestinian territory: A retrospective assessment. Lancet 2012, 380, S33. [CrossRef] 10. Magill, S.S.; Edwards, J.R.; Bamberg, W.; Beldavs, Z.G.; Dumyati, G.; Kainer, M.A.; Lynfield, R.; Maloney, M.; McAllister-Hollod, L.; Nadle, J.; et al. Multistate Point-Prevalence Survey of Health Care–Associated Infections. N. Engl. J. Med. 2014, 370, 1198–1208. [CrossRef] 11. Salat, M.; Petkova, P.; Hoyo, J.; Perelshtein, I.; Gedanken, A.; Tzanov, T. Durable antimicrobial cotton textiles coated sonochemically with ZnO nanoparticles embedded in an in-situ enzymatically generated bioadhesive. Carbohydr. Polym. 2018, 189, 198–203. [CrossRef]

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