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Resistance transitions detected by analysis of the voltammetry of tetrathiafulvalene microparticles adhered to electrode surfaces under conditions of dynamic resistance compensation
Authors:Tim J. Wooster   Alan M. Bond  Michael J. Honeychurch
Affiliation:1. Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA;2. Department of Comparative Medicine, College of Veterinary Medicine, The University of Tennessee, Knoxville, TN 37996, USA;3. Department of Pharmacology and Toxicology, University of Graz, A-8010 Graz, Austria;1. Department of Biochemistry, Faculty of Medicine, Aligarh Muslim University, Aligarh, 202002, U.P., India;2. Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, 202002, U.P., India;1. Department of Environmental Science and Analytical Chemistry, Stockholm University, SE10691, Stockholm, Sweden;2. Pharmaceutical Analysis Department, Faculty of Pharmacy, Damanhour University, Damanhour, 22511, Egypt;3. Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, University of Alexandria, Alexandria, 21521, Egypt;4. Department of Respiratory Medicine, Gävle Hospital and Centre for Research at Uppsala University/County Council of Gävleborg, Gävle, Sweden;1. Department of Biochemical Engineering and Key Laboratory of Systems Bioengineering of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;1. Physiology Department, Faculty of Medicine, Alexandria University, Egypt;2. Biochemistry Department, Faculty of Medicine, Alexandria University, Egypt
Abstract:Dynamic resistance compensated cyclic voltammograms have been obtained when solid tetrathiafulvalene (TTF) is converted to a highly conducting TTF+ salt. Two resistance transitions were detected, one being related to bulk transformation of solid by nucleation-growth TTF+/0 processes and the other occurring with negligible detectable current and mass changes in the reversible potential region. The general usefulness of obtaining resistance–potential data and maintaining a linear potential–time (scan rate) relationship by employing dynamic IRu (I=current, Ru=uncompensatedcellresistance) in mechanistic studies of the voltammetry of solids adhered to electrode surfaces is emphasized.
Keywords:Solid state voltammetry   Tetrathiafulvalene   Dynamic resistance compensation
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