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    EUROPEAN CONGRESS AND EXHIBITION ON ADVANCED MATERIALS AND PROCESSES - EUROMAT 2021

    13–17 Sept 2021 Virtual Conference
    Virtual
    Europe/Vienna timezone
    Thank you very much for your participation!

    Conference Secretary

    Insole Coatings to Prevent Diabetic Foot Infections (Highlight)

    14 Sept 2021, 15:20
    20m
    Room 10

    Room 10
    Highlight Presentation C10. Coatings and surface modification technologies C10_Coatings and surface modification technologies

    Speaker

    Prof. S. Carvalho (SEG-CEMMPRE Mechanical Engineering Department, University of Coimbra; CFUM-UP, Centro de Física das Universidades do Minho e do Porto, University of Minho, Campus of Azurém)

    Description

    According to World Health Organization (WHO), diabetes will be the seventh cause of death by 2030. One of the main problems of the disease is related to the Diabetic Foot (DF) pathology. The DF defines various injuries that can occur on the foot of the diabetic patients and can lead to lower extremity amputation. One way to prevent the risk of foot injury is to use adequate footwear to avoid the generation of regions with high pressure and low friction. When it is impossible to prevent the appearance of the wound, the ideal scenario is to have a footwear capable to avoid the spread of an infection by having antimicrobial properties.
    In the present work, silver (Ag) and silver oxide (AgOx) thin films were deposited by DC reactive magnetron sputtering technique on different insoles substrates. The coatings were systematically characterized by SEM, EDS, XRD, TGA, FTIR, adhesion, coefficient of friction (CoF) and Zone of Inhibition test. Among the uncoated and coated leathers, AgOx modified samples have higher CoF indicating that this coating can permit higher immobilization of the foot in relation to the skin. The AgO coating has also impressive antibacterial and antifungal activity, suggesting the potential application of AgOx modified leathers to diabetic specialized footwear.

    Speaker Country Portugal

    Author

    Dr I. Carvalho (SEG-CEMMPRE Mechanical Engineering Department, University of Coimbra, 3030-788 Coimbra, Portugal; CEB, Centre of Biological Engineering, LIBRO – Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; CFUM-UP, Centro de Física das Universidades do Minho e do Porto, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal)

    Co-authors

    Prof. A. Ramalho (SEG-CEMMPRE Mechanical Engineering Department, University of Coimbra, 3030-788 Coimbra, Portugal) Prof. M. Henriques (CEB, Centre of Biological Engineering, LIBRO – Laboratório de Investigação em Biofilmes Rosário Oliveira, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal) Dr M. J. Lima (CFUM-UP, Centro de Física das Universidades do Minho e do Porto, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal) Prof. S. Carvalho (SEG-CEMMPRE Mechanical Engineering Department, University of Coimbra; CFUM-UP, Centro de Física das Universidades do Minho e do Porto, University of Minho, Campus of Azurém)

    Presentation materials

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