Determination of standard potentials and electron-transfer rates for halobiphenyls from electrocatalytic data

Polarographic Behavior of Nicotinamide in Surfactant Media and Its Determination in Cetyltrimethylammonium Bromide Surfactant System

“…15 A widespread use of surfactants can lead to the modification of existing analytical methods. Surfactants are often used as selective masking agents to improve selectivity and sensitivity of electrochemical analysis 16,17 and also play a very important role in the electrode reaction, not only in solubilizing the organic compounds but also by providing specific orientation to the molecules at the electrode interface. 18 These molecules can give rise to adsorbed layers of varying thickness: monolayer, bilayer or multilayer, of a very complex structure.…”

“…† To whom correspondence should be addressed. E-mail: aksrivastava@chem.mu.ac.in; akschbu@yahoo.com coefficients of electrode processes, thus changing the stability of electrogenerated intermediates and electrochemical products, [16][17][18][19][20][21][22] which becomes an advantage for its use in electrochemistry and modification of electrode. 23 We have reported voltammetric behavior of certain vitamins 24 (viz.…”

Electrocatalytic Oxidation and Determination of Cysteine at Oxovanadium(IV) Salen Coated Electrodes

“…Alternatively, conducting polymers or self-assembled monolayers can also be used for the electrocatalytic reactions [19,20]. Success of such modified electrodes mainly depends on diffusion of the target analyte through the chemical film to the electrode or to the immobilized electrocatalyst where an electron transfer reaction can occur [21][22][23][24][25]. In the present work, VO 2+ -S is synthesized, characterized, and immobilized on a glassy carbon electrode for the electrocatalytic oxidation and subsequent determination of cysteine.…”

Electrochemical Determination of Ciprofloxacin Based on the Enhancement Effect of Sodium Dodecyl Benzene Sulfonate

“…Finally, surfactant heavily influences the electrochemical process of electroactive species. [13][14][15][16][17] To date, surfactant was widely used in electroanalytical chemistry to improve the sensitivity and selectivity. In pH 4.0 phosphate buffer, ciprofloxacin yields an oxidation peak at the carbon paste electrode (CPE) after accumulation.…”