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Spectrophotometric investigation of complex formation of an oxime PAM-4Cl with palladium(II) and its analytical application
(Journal of Pharmaceutical and Biomedical Analysis, 1990)
The colour reaction of 4-hydroxyiminomethyl-1-methylpyridinium chloride (PAM-4Cl) and palladium(II) chloride has been investigated. The optimum reaction conditions, spectral characteristics, conditional stability constant ...
Quality by Design approach in the development of hydrophilic interaction liquid chromatographic method for the analysis of iohexol and its impurities
(Elsevier Science BV, Amsterdam, 2015)
This study presents the development of hydrophilic interaction liquid chromatographic method for the analysis of iohexol, its endo-isomer and three impurities following Quality by Design (QbD) approach. The main objective ...
Potentiometric investigation of the stability of palladium(II) complex of pralidoxime chloride in aqueous solution
(Journal of Pharmaceutical and Biomedical Analysis, 1990)
The formation of a complex between palladium(II) chloride and pralidoxime chloride (PAM-2Cl) has been studied by means of potentiometric pH measurements. The real stability constant of the complex in aqueous medium of ionic ...
Application of Analytical Quality by Design concept for bilastine and its degradation impurities determination by hydrophilic interaction liquid chromatographic method
(Elsevier Science BV, Amsterdam, 2016)
This paper deals with the development of hydrophilic interaction liquid chromatographic (HILIC) method for the analysis of bilastine and its degradation impurities following Analytical Quality by Design approach. It is the ...
Electrochemical and theoretical study on interaction between erlotinib and DNA
(Elsevier B.V., 2023)
A comprehensive investigation of tyrosine kinase inhibitor erlotinib (ERL) electrochemical behavior and interaction with DNA was performed with the aim to clarify its redox mechanism and to determine the mode of binding. ...
Spectrophotometric determination of nizatidine in pharmaceutical formulations
(Journal of Pharmaceutical and Biomedical Analysis, 1995)
Spectrophotometric determination of desoximetasone in ointment using 1,4-dihydrazinophthalazine
(Pergamon-Elsevier Science Ltd, Oxford, 1996)
The proposed method is based on coloured hydrazone formation with 1,4-dihydrazinophthalazine as a reagent. Heating at 85 degrees C for 2 h was found necessary to ensure optimal hydrazone formation in the presence of ...
Chemometrically assisted development and validation of LC-MS/MS method for the analysis of potential genotoxic impurities in meropenem active pharmaceutical ingredient
(Elsevier Science BV, Amsterdam, 2017)
A sensitive Liquid Chromatography tandem mass spectrometry (LC MS/MS) method was developed and validated for the quantitative analysis of three potential genotoxic impurities (318BP, M9, S5) in meropenem Active Pharmaceutical ...
Quantitation of brinzolamide in dried blood spots by a novel LC-QTOF-MS/MS method
(Elsevier Science BV, Amsterdam, 2016)
In the current study, a rapid and sensitive LC-QTOF-MS/MS method for the determination of brinzolamide in dried blood spots (DBS) was developed and validated. This novel sample collection, storage and transfer technique ...
Spectrophotometric determination of fusidic acid and sodium fusidate in dosage forms
(Journal of Pharmaceutical and Biomedical Analysis, 1995)