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	STUDIA CHEMIA - Issue no. Special Issue 1 / 2009

	Article:	METHOD OF CLASSIFYING THE DRUGS BY USING THE NYQUIST PLOTS OF A REFERENCE REDOX DIELECTRODE (RRD) AND OF THE MULTIELECTRODE (ME)D=(RRD) CONTAINING THE DRUG D. Authors: NICOLAE BONCIOCAT, ADINA COTARTA.


	Abstract: The proposed method uses a reference redox dielectrode (RRD) in whose electrical scheme enter: the Faraday impedance [Z_F(ω)]_RRD in parallel with the double layer capacity C_d, and the solution resistance R_sol. In [Z_F(ω)]_RRD enter in series: the charge transfer (A_ct)_RRD and the diffusion (B_d)_RRD resistances, and the Warburg pseudo-capacitance C_W(ω), ω being the radial frequency of the current. Keywords: multielectrode, electrochemical impedance spectroscopy, Thomson radial frequencies, drugs classification




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