Determination of endogenous thiols and thiol drugs in urine by HPLC with ultraviolet detection

K Kuśmierek, G Chwatko, R Głowacki, E Bald - Journal of Chromatography …, 2009 - Elsevier
Analysis of urine for endogenous thiols and thiol drugs content by HPLC with ultraviolet
detection is addressed. Other methodologies for detection and determination of thiols in …

Ultraviolet derivatization of low-molecular-mass thiols for high performance liquid chromatography and capillary electrophoresis analysis

K Kuśmierek, G Chwatko, R Głowacki… - … of Chromatography B, 2011 - Elsevier
Thiols play an important role in metabolic processes of all living creatures and their
analytical control is very important in order to understand their physiological and …

Simultaneous determination of captopril and hydrochlorothiazide in human plasma by reverse-phase HPLC from linear gradient elution

T Huang, Z He, B Yang, L Shao, X Zheng… - Journal of Pharmaceutical …, 2006 - Elsevier
A simple, rapid and sensitive high-performance liquid chromatographic method for the
simultaneous determination of captopril and hydrochlorothiazide in human plasma samples …

Highly sensitive voltammetric sensor based on catechol-derivative-multiwall carbon nanotubes for the catalytic determination of captopril in patient human urine …

AA Ensafi, H Karimi-Maleh, S Mallakpour… - Colloids and Surfaces B …, 2011 - Elsevier
A new catechol-derivative compound, N-(3, 4-dihydroxyphenethyl)-3, 5-dinitrobenzamide,
was synthesized and used to construct a modified-carbon nanotubes paste electrode. The …

Electrochemical study of hydrochlorothiazide and its determination in urine and tablets

OA Razak - Journal of pharmaceutical and biomedical analysis, 2004 - Elsevier
A voltammetric study of hydrochlorothiazide (HCTZ) at glassy carbon electrode was carried
out. The drug in Britton–Robinson buffer (pH 3.3) is oxidized at+ 1040mV, giving rise to a …

Spectrophotometric quantitative determination of cilazapril and hydrochlorothiazide in tablets by chemometric methods

E Dinç, D Baleanu - Journal of pharmaceutical and biomedical analysis, 2002 - Elsevier
Four chemometric methods were applied to simultaneous determination of cilazapril and
hydrochlorothiazide in tablets. Classical least-square (CLS), inverse least-square (ILS) …

Fast and sensitive determination of captopril by voltammetric method using ferrocenedicarboxylic acid modified carbon paste electrode

H Karimi-Maleh, AA Ensafi, AR Allafchian - Journal of Solid State …, 2010 - Springer
A ferrocenedicarboxylic acid modified carbon paste electrode was constructed and used as
a fast and sensitive tool for the determination of captopril at trace level. It has been shown by …

Electrochemical determination of captopril at boron-doped diamond thin film electrode applied to a flow injection system

W Siangproh, P Ngamukot, O Chailapakul - Sensors and Actuators B …, 2003 - Elsevier
A boron-doped diamond thin film (BDD) electrode was first used to study the electroanalysis
of captopril in phosphate buffer (pH= 9) by several techniques such as cyclic voltammetry …

Carbon-paste electrode modified with cobalt-5-nitrolsalophen as a sensitive voltammetric sensor for detection of captopril

S Shahrokhian, M Karimi, H Khajehsharifi - Sensors and Actuators B …, 2005 - Elsevier
The electrochemical behavior of captopril at the surface of a carbon-paste electrode (CPE)
modified with cobalt-5-nitrolsalophen (CoNSal) is described. The prepared electrode shows …

Amperometric biosensors/sequential injection analysis system for simultaneous determination of S-and R-captopril

RI Stefan, JKF van Staden, HY Aboul-Enein - Biosensors and Bioelectronics, 2000 - Elsevier
Two amperometric biosensors based on l-and d-amino acid oxidase, respectively, are
proposed for the simultaneous detection of S-and R-captopril in a sequential injection …