Investigation of Ag Oxidation and Ion Adsorption on Small Intestinal Submucosa in Simulated Body Fluid through Simultaneous Electrochemical and SPR Measurements

Abstract:

Small Intestinal Submucosa (SIS) is a material used from ancient times in foods, and more recently as a biomaterial. To ensure antibacterial properties, the presence of ionic Ag⁺ is benefic and brings a minimum of toxicity to the SIS. In this paper, the electrochemical oxidation of Ag is considered to obtain the ionic Ag⁺. The simultaneous use of Surface Plasmon Resonance (SPR) and Electrochemical techniques opens an insight on Ag oxidation. The study is undertaken in a Simulated Body Fluid (SBF) with ions concentration that closely resembles the concentrations of the human blood plasma for a simulation of the Ag⁺ ions behavior in physiological conditions. The simultaneous SPR and Electrochemical approach highlighted aspects of the ion adsorption into the SIS membrane.

• Periodical: Advanced Materials Research (Volume 1119)
• Pages: 438-443
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1119.438
• Online since: July 2015
• Authors: Claudiu Constantin Manole*, Ioana Demetrescu
• Keywords: Cyclic Voltammetry, Hog Casing, Ion Adsorption, Small Intestinal Submucosa, Surface Plasmon Resonance

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DOI: 10.1039/c4ra04764h