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Anticoagulant effect of various crystallohydrates of tungstophosphoric acid and their Na salt and proposed acting mechanism
(Društvo medicinskih biohemičara Srbije i Crne Gore, Beograd i Univerzitet u Beogradu - Farmaceutski fakultet, Beograd, 1997)
The influence of various crystalohydrates of tungstophosphoric acid (WPA): 29-WPA, 6-WPA, 0-WPA and ''D''-WPA, as well as of various crystalohydrates of neutral Na salt (Na(3)WPA): 16-Na(3)WPA, 6-Na(3)WPA and 0-Na(3)WPA, ...
UV spectrophotometric microdetermination of L-DOPA based on complex formation with copper(II)ion
(Marcel Dekker Inc, New York, 1997)
The UV spectrophotometric investigations obtained for the reaction between L-DOPA and copper(II)ion contribute to the clarification of equilibrium conditions of the complex formation both in the excess of metal ion and ...
Densitometric determination of metoprolol tartrate in pharmaceutical dosage forms
(Pergamon-Elsevier Science Ltd, Oxford, 1997)
This paper describes a simple densitometric method for the determination of metroprolol tartrate in tablets and ampoules. After separation on silica gel GF254 plates, using acetone-methanol-triethylamine as the mobile phase ...
Effect of fillers and lubricants on acetylsalicylic acid release kinetics from Eudragit matrix tablets
(Marcel Dekker Inc, New York, 1997)
The effect of fillers and lubricants on the dissolution rate of acetylsalicylic acid (ASA) from matrix tablets has been evaluated. Eudragit S-100 and Eudragit L-100-55 where chosen as matrix substances. The process of drug ...
Spectrophotometric study of diclofenac-Fe(III) complex
(Pergamon-Elsevier Science Ltd, Oxford, 1997)
A multifactor optimisation technique is successfully applied to develop a new spectrophotometric method in which diclofenac sodium is analysed and determined as it's Fe(III) complex. The effect of simultaneously varying ...
The influence of lithium on fluvoxamine therapeutic efficacy and pharmacokinetics in depressed patients on combined fluvoxamine-lithium therapy
(Rapid Science Publishers, London, 1997)
The influence of lithium on fluvoxamine therapeutic efficacy, plasma concentrations and pharmacokinetics was studied in 12 depressed inpatients. Six patients were on fluvoxamine monotherapy and six were on combined ...
Evaluation of the compression behavior of paracetamol tablets produced by dispersion in beta-cyclodextrin .1. Scanning electron microscopic study of tablets
(Kluwer Academic Publ, Dordrecht, 1997)
The compression behaviour of three powder products of Paracetamol-beta-cyclodextrin solid dispersions (PAR-beta-CD SD) and PAR alone were evaluated using the method of scanning electron microscopy (SEM). The four powder ...
Pharmacokinetics and bioavailability of pentoxifylline in healthy volunteers - A comparative study of three oral formulations
(Elsevier Science BV, Amsterdam, 1997)
Crystal structure of a mixture of lupeol-acetate tautomers isolated from Hieracium plumulosum A. Kerner, Asteraceae
(Journal of Molecular Structure, 1997)
Transparent single crystals obtained from the purified extract of the plant Hieracium plumulosum A. Kerner, Asteraceae were submitted to spectroscopic and X-ray studies. The spectroscopic (infra-red, mass spectrometry, 1 ...
Potentiometric and Spectrophotometric Determination of Dissociation Constants of Cefetamet
(Springer Wien, 1997)
Summary. The dissociation constants of cefetamet-Na have been determined using potentiometric
titrations and spectrophotometry. The investigations were carried on in water solutions at constant
temperature and ionic ...