Determination of furazolidone in urine by square-wave voltammetric method

2008 ◽  
Vol 5 (3) ◽  
pp. 453-457 ◽  
Author(s):  
H. Parham ◽  
B. Aibaghi Esfahani
2001 ◽  
Vol 34 (10) ◽  
pp. 1719-1731 ◽  
Author(s):  
Rubin Gulaboski ◽  
Ilinka Spirevska ◽  
Lidija Šoptrajanova ◽  
Renata Slavevska

2003 ◽  
Vol 48 ◽  
pp. 3-8
Author(s):  
Aneta Dimitrovska ◽  
Valentin Mircevski ◽  
Svetlana Kulevanova

Novel adsorptive stripping square-wave voltammetric method as well as a new high-pressure liquid chromatographic method for direct determination of glycyrrhizinic acid in dosage pharmaceutical preparation, used against virus infections, have been developed. Glycyrrhizinic acid is an electrochemically active compound, which undergoes irreversible reduction on a mercury electrode surface in an aqueous medium. Its redox properties were studied thoroughly by means of square-wave voltammetry, as one of the most advanced electroanalytical technique. The voltammetric response depends mainly on the pH of the medium, composition of the supporting electrolyte, as well as the parameters of the excitement signal. It was also observed that the voltammetric properties strongly depend on the accumulation time and potential, revealing significant adsorption of glycyrrhizinic acid onto the mercury electrode surface. Upon this feature, an adsorptive stripping voltammetric method for quantitative determination of glycyrrhizinic acid was developed. A simple, sensitive and precise reversed phase HPLC method with photodiode array UV detection has also been developed, mainly for comparison and conformation of the results obtained with the voltammetric method.


2015 ◽  
Vol 7 (16) ◽  
pp. 6755-6763 ◽  
Author(s):  
K. Cinková ◽  
N. Zbojeková ◽  
M. Vojs ◽  
M. Marton ◽  
A. Samphao ◽  
...  

In this paper, a novel voltammetric method for the determination of 1,3-dimethylxanthine alkaloid theophylline is elaborated using differential pulse (DPV) and square-wave voltammetric (SWV) modes on a boron-doped diamond electrode.


2015 ◽  
Vol 7 (21) ◽  
pp. 9137-9144 ◽  
Author(s):  
Yassien Temerk ◽  
Hossieny Ibrahim ◽  
Nasser Farhan

A sensitive square wave adsorptive stripping voltammetric method was described for the determination of anticancer drug nilutamide in human biological fluids based on the enhancement effect of the cationic surfactant: cetyltrimethylammonium bromide (CTAB).


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