Ara
Toplam kayıt 14, listelenen: 1-10
Antimicrobial activities, absorption characteristics and tautomeric structures of o,o’-hydroxyazo dyes containing an acryloyloxy group and their chromium complexes
(Hacettepe University, 2012)
E-1-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-2,7-diol’ün ve akrilat türevlerinin ve onların krom komplekslerinin farklı çözücüler, pH ve sıcaklıklardaki UV-VIS davranışları tespit edildi. Çözücü içinde boyalar azo ...
Synthesis, spectroscopic and thermal characterization of non-metal cation (nmc) pentaborates salts containing cations derived from histidine and arginine
(Hacettepe University, 2012)
The new non-metal cation (NMC) pentaborate structures of cationic histidine and arginine aminoacids were synthesized and characterized using spectroscopic (11B NMR and IR) methods. Their thermal properties have been ...
Spectroscopic properties of 2,2’-[Thiobis(p-phenylenenitrilo-methylidyne)]bis(4-chloro/bromo/methyl/nitro/methoxy)phenol
(Hacettepe University, 2012)
Novel Schiff base has been synthesized from the reaction of 4,4’-diaminodiphenyl sulfide with 2-hydroxy5-substituebenzaldehyde and 2-hydroxynaphtaldehyde. The compounds were characterized by elemental analysis, FT-IR, 1 H ...
A validated RP-HPLC method for the estimation of ornidazole in pharmaceutical dosage forms
(Hacettepe University, 2012)
A new, simple, rapid, selective, precise and accurate isocratic reverse phase high performance liquid chromatography assay has been developed and validated for assay of Ornidazole in tablet formulations. Tinidazole was ...
A mononuclear, mixed (salicylato) (nicotinamide) complex of Zn(II) with penta- and hexa-coordination sites: A novel framework structure
(2012)
The title compound, diaqua(bissalicylato-κO)(bisnicotinamide-κN)zinc(II)][bis(triaqua (monosalicylato-κO)(mononicotinamide-κN)zinc(II)salicylate, includes three Zn(II) ions, four nicotinamide ligands, six salicylate ligands ...
Simple, sensitive and reliable LC-DAD method of gemifloxacin determination in pharmaceutical dosage forms
(2012)
A sensitive, accurate, rapid, fully validated, reliable and easy method was developed for the quantification of gemifloxacin mesylate (GEM) using liquid chromatography (LC) with DAD detection. In this method; a reversed-phase ...
Development and validation of a liquid chromatographic method for concurrent assay of weakly basic drug verapamil and amphoteric drug trandolapril in pharmaceutical formulations
(2012)
The analysis of weakly basic drugs such as verapamil by reverse-phase liquid chromatography remains a problem, particularly when present in combination with other drugs such as amphoteric compounds like trandolapril. In ...
Synthesis, characterization of poly(E)-3-amino-4-((3-bromophenyl)diazenyl)-1H-pyrazol-5-ol: Investigation of antibacterial activity, fluorescence, and optical properties
(2012)
The oxidative polycondensation reaction conditions of (E)-3-amino-4-((3-bromophenyl)diazenyl)-1H-pyrazol-5-ol (Schiff base monomer) has been accomplished using NaOCl, and air O 2 oxidants in an aqueous alkaline medium. The ...
Synthesis, structural, spectroscopic characterization, and structural comparison of 3-hydroxybenzoate and nicotinamide/N,N-diethylnicotinamide mixed ligand complexes with Zn(II)
(Kluwer Academic Publishers, 2012)
The mixed-ligand 3-hydroxybenzoic acid complex of Zn(II) with nicotinamide and N,N-diethylnicotinamide were synthesized and characterized (colorless single crystals, [Zn(3-hba) 2 (H 2 O) 2 (na) 2 ] and [Zn(3-hba) 2 (H 2 ...
Mixed-ligand complexes of boric acid with organic biomolecules
(2012)
Boric acid forms meta-stable complexes with biomolecules like amino and hydroxy acids and stable complexes with the diol group containing carbohydrates, vitamins, and nucleotides, yielding mono-chelate (1: 1 complex) or ...