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Приказ резултата 11-20 од 559
Synthesis, characterization, and biological activity of amino acid derivatives of the heteropolytungstophosphoric acid
(Springer Wien, Wien, 2006)
Compounds of phosphotungstic acid (WPA) containing the amino acids alanine (WPA-Ala) or glycine (WPA-Gly) as counter cations were synthesized and characterized by elemental analysis, thermal analysis, and IR spectroscopy. ...
Structure and proton conductivity in a magnesium salt of 12-tungstophosphoric acid
(Elsevier Science BV, Amsterdam, 2003)
Some structural properties of a magnesium salt of 12-tungstophosphoric acid, MgHPW12O40.nH(2)O (MgHVvTA-n), are reported. The influence of the Mg2+ ion on the structure, dynamics of the protonic species, and dielectric and ...
Chemical composition and antimicrobial activity of Ambrosia artemisiifolia L. essential oil
(Allured Publ Corp, Carol Stream, 2004)
Chemical analysis and antimicrobial activity of essential oil isolated by steam distillation from Ambrosia artemisiifolia L., Asteraceae dried flowering herb were performed. Principal constituents were germacrene D (24.1%), ...
Hydrophilic gels containing chlorophyllin-loaded liposomes: development and stability evaluation
(Govi-Verlag Pharmazeutischer Verlag Gmbh, Eschborn, 2005)
The aim of this study was to develop and characterize hydrophilic gels containing chlorophyllin(CHL)loaded liposomes as well as to evaluate their stability. Two different CHL-loaded liposome dispersions using non-hydrogenated ...
First-order UV-derivative spectrophotometry in the analysis of omeprazole and pantoprazole sodium salt and corresponding impurities
(Pergamon-Elsevier Science Ltd, Oxford, 2003)
The first-order UV-derivative spectrophotometry, applying zero-crossing method was developed for the determination of omeprazole (OM), omeprazole sulphone (OMS), pantoprazole sodium salt (PANa), and N-methylpantoprazole ...
Determination of bifonazole in creams containing methyl- and propyl p-hydroxybenzoate by derivative spectrophotometric method
(Pergamon-Elsevier Science Ltd, Oxford, 2003)
A second order derivative spectrophotometric method for the determination of bifonazole in the presence of methyland propyl p-hydroxybenzoate as preservatives has been developed. The determination was performed in a 0.1 M ...
Effects of beta-adrenoceptor blockade on the phenotypic characteristics of thymocytes and peripheral blood lymphocytes
(Taylor and Francis Ltd., 2003)
The study revealed that β-adrenoceptor blockade with propranolol (0. 40 mg/l00 g/day, s.c.) in adult male DA rats: (i) increased the thymocyte proliferation and apoptosis, (ii) caused disturbances in kinetics of T cell ...
Chiral ligand-exchange chromatography as the screening method for proposed modifications in exametazime synthesis to enhance diastereoselectivity
(Elsevier Science BV, Amsterdam, 2004)
Tc-99m(V)-d,l-HM-PAO complex is well-known radiopharmaceutical for regional cerebral blood flow imaging. The proposed modifications in exametazime, hexamethylpropyleneamine oxime (HM-PAO) (4,8-diaza-3,6,6,9-tetramethylun ...
Validation of the RP-HPLC method for analysis of hydrochlorothiazide and captopril in tablets
(Springer, New York, 2004)
A rapid and sensitive reverse-phase high performance liquid chromatography (RP-HPLC) method with ultra-violet (UV) detection for a routine control of hydrochlorothiazide and captopril in tablets was developed. The ...
The monitoring of fluoxetine/norfluoxetine plasma levels for rational use of fluoxetine in depressed Parkinsonian patients
(Taylor & Francis Inc, Philadelphia, 2004)