Metal complexes
Evaluation of schiff bases and its metal complexes with potential therapeutic applications
... their metal complexes in DMSO were scanned in the region 270 – 700 nm at concentrations of 25 μM and the results are depicted in ...For metal complexes, the first band at ...the metal ...
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Microwave synthesis, spectral, thermal, and antimicrobial activities of some transition metal complexes involving 5-bromosalicylaldehyde moiety
... corresponding metal complexes on selected bacteria ...the complexes are moderatively active as compared to the standard bactericide and fungicide (Streptomycin and ...transition metal ...
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Synthesis and Characterization of Dinuclear Metal Complexes Stabilized by Tetradentate Schiff Base Ligands
... the complexes were prepared by condensation of hydrazine with acetylacetone or ...dinuclear complexes of theses ligands were synthesized by treating an ethanolic solution of the prepared ligand with ...
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Synthesis and properties of 5,10,15,20-tetra[4-(3,5-dioctoxybenzamidephenyl] porphyrin and its metal complexes
... the metal complexes due to changes in the symmetry of porphyrin ...a metal ion to form the metalloporphyrin not only increases the symmetry of the molecule, but also introduces an electron ...
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Experimental verification of the metal flux enhancement in a mixture of two metal complexes: the Cd/NTA/glycine and Cd/NTA/citric acid systems
... the metal flux crossing a limiting surface of a system that contains a mixture of 1 : 1 metal complexes under steady-state planar diffusion in a finite domain and under excess of ligand conditions ...
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ANTIMICROBIAL AND TOXICOLOGICAL STUDIES OF SOME METAL COMPLEXES OF 4- METHYLPIPERAZINE-1-CARBODITHIOATE AND PHENANTHROLINE MIXED LIGANDS S.B., Kalia
... the metal complexes surmounting that of ligands, ...the metal ions substantially enhanced their ...of metal chelates has been explained by Overtone’s concept (8) and the Tweedy's theory (25), ...
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The use of pseudopotentials and HF/MP2/DFT models for the prediction of vibrational frequencies of metal complexes.
... THE USE OF PSEUDOPOTENTIALS AND HF/MP2/DFT MODELS FOR THE PREDICTION OF VIBRATIONAL FREQUENCIES OF METAL COMPLEXES. Four different pseudopotentials and three methodologies were employed in the calculation ...
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Oxalate metal complexes in aerosol particles: implications for the hygroscopicity of oxalate-containing particles
... 3.6 Implications for oxalate species in the aerosols The size distribution of oxalate reflects the possible forma- tion pathways of oxalate in aerosols suggested in Sect. 3.2: (i) gas to particle conversion, (ii) capture ...
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Evaluation of the cytotoxicity of transition metal complexes: DNA cleavage of copper complexes in cells
... It has been proved that chemical-metal redox system generates ROS which can cause DNA breakage. Cu-mediated oxidation also results in ROS formation with DNA damaging effect [37,38]. A number of Cu(II) coordination ...
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J. Braz. Chem. Soc. vol.17 número4
... investigated metal complexes is based on the fact that the pH-measurements during the titration of a ligand solution in presence and in absence of a metal ion could be used to calculate the free base ...
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Novel 3-hydroxy-4-pyridinonato oxidovanadium(IV) complexes to investigate structure/activity relationships
... The metal complexes were dis- solved in saline or DMSO at various concentrations (final ...the complexes was evaluated by the IC 50 value, which defines the ...
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Joao Daniel da Silva Seixas
... transition metal complexes due to the redox processes that take place alongside CO ...ruthenium complexes CORM-2 and CORM-3, where the Ru II metal center was oxidized in the electrode, ...
334
J. Braz. Chem. Soc. vol.18 número7
... The infrared spectra were obtained from pH 4 to 8 where the highest interaction was detected with same mass of samples. All infrared bands presented different intensities and thus showed that the binding groups when the ...
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J. Braz. Chem. Soc. vol.26 número7
... The antimicrobial activities of the synthesized compounds (macrocyclic ligand and its metal complexes) have been screened in vitro, as growth inhibiting agents. The antibacterial and antifungal screening ...
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Eclet. Quím. vol.31 número1
... amide-metal complexes (PDTA) wherein the metal ion is placed in the backbone chain ...the metal ion is the connecting link between the organic units in the linear chain, ...
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Rev. bras. farmacogn. vol.24 número3
... The above mentioned methods are effective for the determination of parameters such as the minimal inhibitory concentration (MIC), the minimal bactericidal concentration (MBC), as well as performing the susceptibility ...
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A biomimicing approach to the mixed ligand complexes of bivalent transition metal
... the metal ions. The hetero donor atoms containing mixed ligand metal complexes increasing importance as antibacterial, antifungal , antiviral, anticancer and also as spray agents in chromatography ...
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Contents of Volume 75
... D. Singh, K. Kumar, R. Kumar and J. Singh: Template synthesis and characterization of biologically active transition metal complexes comprising 14-membered tetraaza- macrocyclic ligand ...
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J. Braz. Chem. Soc. vol.27 número12
... the complexes likely have a 1:1 (M:L) stoichiometry and tetrahedral ...the complexes and to discuss the role of metal ions and structural properties, the ligands and their metal ...
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