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    STUDIA CHEMIA - Issue no. 1 / 2009  
         
  Article:   ELECTROCHEMICAL BEHAVIOR AND APPLICATIONS OF PHENOTHIAZINE DERIVATIVES BASED ON BIS-(10H-PHENOTHIAZIN-3-YL)-METHANE.

Authors:  ALEXIA BONNIFET, DELIA M. GLIGOR, CASTELIA CRISTEA, LIANA MARIA MUREȘAN. 		 
       
         
  Abstract:   The electrochemical behavior of two phenothiazine derivatives, bis-(10H-phenothiazin-3-yl)-methane (I) and 1,1-bis-(10H-phenothiazin-3-yl)-ethane (II), was studied comparatively by cyclic voltammetry in dimethylsulfoxide solution and adsorbed on graphite electrodes. Compound I presents a more favorable electrochemical behavior than compound II, both in solution or adsorbed. The obtained modified electrodes present electrocatalytic activity towards NADH oxidation. Their electrocatalytic efficiency, evaluated from cyclic voltammetry, revealed the following decreasing sequence: I > II.

Keywords: Phenothiazine derivatives, Modified electrodes, NADH electrocatalytic oxidation. 		 
         
     
         
         
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