Copyright (c) 2012 All rights reserved. http://works.bepress.com/mikhail_goldin Recent documents in Mikhail M. Goldin en-us Tue, 24 Jan 2012 05:30:36 PST 3600 http://works.bepress.com/mikhail_goldin/8 http://works.bepress.com/mikhail_goldin/8 Thu, 25 Aug 2011 08:09:49 PDT The number of medical applications of electrochemistry has grown in recent years due to the increased applications of electrochemical concepts to various systems of the organism. This includes electrochemically controlled hemosorption detoxification, where the removal of toxicants is controlled by changing the potential of the hemosorbent. It is important to avoid Faradaic processes in the course of hemosorption, which can lead to the addition of electrochemically modified toxicants to blood. The probability of their occurrence should depend on the open-circuit potential of the activated carbon. In order to elucidate the identification of Faradaic reactions, a model system was investigated. The adsorption of copper ions, tert-butanol and acetone on samples of electrochemically modified AG-3 activated carbon hemosorbent with various open-circuit potentials was used as a model of the detoxification processes. The effective number of electrons transferred in the elementary act of adsorption was shown to be a non-zero quantity for all three cases, which corroborates an electrochemical mechanism of hemosorption. For the cupric ions, ranges of open-circuit potentials were identified corresponding to different mechanisms of adsorption and Faradaic processes.

]]> Mogely Khubutiya et al. Articles http://works.bepress.com/mikhail_goldin/7 http://works.bepress.com/mikhail_goldin/7 Thu, 25 Aug 2011 08:09:45 PDT The method of electrochemical pretreatment of platinum electrode with the goal of standardizing the initial state of electrode surface and its open-circuit potential (OCP) in the blood and other biological media is proposed. The platinum electrode potential is measured in 0.14 M Na2SO4 aqueous solution, in the blood and blood plasma and serum. By the examples of OCP measured in the blood serum of patients with acute poisoning, acute cerebral pathology and patients treated by the method of hyperbaric oxygenation, it was found that the values of blood serum OCP were different for studied pathological states and healthy people.

]]> Mogely Khubutiya et al. Articles http://works.bepress.com/mikhail_goldin/6 http://works.bepress.com/mikhail_goldin/6 Thu, 25 Aug 2011 08:09:41 PDT Mikhail M. Goldin Articles http://works.bepress.com/mikhail_goldin/5 http://works.bepress.com/mikhail_goldin/5 Thu, 27 Aug 2009 05:17:51 PDT Interaction of certain inorganic and organic compounds with activated carbon and the effect of such interaction on open circuit potential of activated carbon were studied. Open circuit potential shifts were observed for an overwhelming majority of the substances and brands of activated carbons investigated. Both negative and positive potential shifts were observed. It was shown that open circuit potential shifts for organic substances depend on degree of coverage of the activated carbon surface. Whereas adsorption of investigated organic compound on activated carbon led to positive potential shifts, desorption of adsorbates from the activated carbon surface led to potential shifts in the opposite direction. Furthermore, time dependencies of open circuit potential shifts were similar for different carbon brands. The magnitude of the shifts depended on the adsorbate, adsorption activity of the adsorbent, and the steric configuration of potential-determinative pores and adsorbate molecules.

]]> Mikhail M. Goldin et al. Articles http://works.bepress.com/mikhail_goldin/4 http://works.bepress.com/mikhail_goldin/4 Fri, 21 Aug 2009 12:24:02 PDT Mark M. Goldin et al. Presentations http://works.bepress.com/mikhail_goldin/3 http://works.bepress.com/mikhail_goldin/3 Fri, 21 Aug 2009 12:24:02 PDT Mark Goldin et al. Presentations http://works.bepress.com/mikhail_goldin/1 http://works.bepress.com/mikhail_goldin/1 Fri, 21 Aug 2009 12:24:01 PDT Interaction of certain organic compounds with activated carbon and its effect on the carbon open circuit potentials were studied. It was shown that shifts in open circuit potentials depended on the filling of the activated carbon surface. Whereas adsorption of the investigated compounds on the carbon led to positive potential shifts, their elimination (desorption) from carbon surface led to shifts in the opposite direction. It was also observed that the time dependence of potential shifts is similar for different carbon brands. The magnitude of shifts depended on adsorption activity and porometric characteristics of the carbon adsorbent, as well as the nature of the adsorbate.

]]> Mikhail M. Goldin et al. Presentations http://works.bepress.com/mikhail_goldin/2 http://works.bepress.com/mikhail_goldin/2 Fri, 21 Aug 2009 12:24:01 PDT Mikhail M. Goldin et al. Presentations