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29 April 2022 Spectrophotometric study of chlorhexidine sorption by glauconite
Ekaterina Selifonova, Galina Naumova, Alexey Selifonov, Victor Serzhantov, Sergey Venig, Tatiana Rusanova
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Proceedings Volume 12192, Optical Technologies for Biology and Medicine; 121920X (2022) https://doi.org/10.1117/12.2626776
Event: XXV Annual Conference Saratov Fall Meeting 2021; and IX Symposium on Optics and Biophotonics, 2021, Saratov, Russian Federation
Abstract
Currently, there is an increased interest in aluminosilicates of natural origin, both in connection with the use in detoxification of waters and soils, and as a matrix for the creation of biologically active composites. The morphological characteristics of glauconite grains from the Beloozersk deposit in the Saratov region and its composite have been studied by scanning electron microscopy. The main sorption characteristics of the enriched fraction of glauconite in relation to chlorhexidine digluconate were determined by spectrophotometry. On the basis of the presented sorption isotherm, the mechanism of immobilization of chlorhexidine ions on a glauconite matrix is analyzed in accordance with the provisions of Langmuir's theory. The basic constants of the Langmuir equation are determined. It was revealed that glauconite has a high sorption activity (up to 87%) in relation to chlorhexidine, which can be in demand as filter media in wastewater treatment, in agriculture, as well as in medicine and veterinary medicine, to create new types of enterosorbents with antibacterial properties.
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Ekaterina Selifonova, Galina Naumova, Alexey Selifonov, Victor Serzhantov, Sergey Venig, and Tatiana Rusanova "Spectrophotometric study of chlorhexidine sorption by glauconite", Proc. SPIE 12192, Optical Technologies for Biology and Medicine, 121920X (29 April 2022); https://doi.org/10.1117/12.2626776
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KEYWORDS
Adsorption
Medicine
Minerals
Scanning electron microscopy
Water
Composites
Spectrophotometry
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