Search Results - "NEVES, Ademir"
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1
The Catalytic Mechanisms of Binuclear Metallohydrolases
Published in Chemical reviews (01-08-2006)“…Binuclear metallohydrolases are a structurally diverse group of enzymes that use binuclear metal ion centers to catalyze the hydrolysis of amides and esters of…”
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2
Synthesis, Magnetostructural Correlation, and Catalytic Promiscuity of Unsymmetric Dinuclear Copper(II) Complexes: Models for Catechol Oxidases and Hydrolases
Published in Inorganic chemistry (06-02-2012)“…Herein, we report the synthesis and characterization, through elemental analysis, electronic spectroscopy, electrochemistry, potentiometric titration, electron…”
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3
Synthesis, characterization, hydrolase and catecholase activity of a dinuclear iron(III) complex: Catalytic promiscuity
Published in Journal of inorganic biochemistry (01-05-2015)“…Herein, we report the synthesis and characterization of the new di-iron(III) complex [(bbpmp)(H2O)(Cl)FeIII(μ-Ophenoxo)FeIII(H2O)Cl)]Cl (1), with the…”
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4
Photoinduced DNA Cleavage Promoted by Two Copper(II) Complexes of Tetracyclines and 1,10-Phenanthroline
Published in Inorganic chemistry (07-11-2011)“…In this report, we demonstrate how UV-light exposure can enhance DNA cleavage promoted by two copper(II) complexes of tetracyclines and 1,10-phenanthroline…”
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5
Development of a biomimetic chitosan film-coated gold electrode for determination of dopamine in the presence of ascorbic acid and uric acid
Published in Electrochimica acta (30-09-2010)“…A gold electrode surface was modified using a dinuclear copper complex [Cu II 2 (Ldtb)(μ-OCH 3)](BPh 4) and then coated with a chitosan film. This biomimetic…”
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6
New La(III) Complex Immobilized on 3‑Aminopropyl-Functionalized Silica as an Efficient and Reusable Catalyst for Hydrolysis of Phosphate Ester Bonds
Published in Inorganic chemistry (17-03-2014)“…Described herein is the synthesis, structure, and monoesterase and diesterase activities of a new mononuclear [LaIII(L1)(NO3)2] (1) complex (H2L1 =…”
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7
Electronic Structure and Spectro-Structural Correlations of FeIIIZnII Biomimetics for Purple Acid Phosphatases: Relevance to DNA Cleavage and Cytotoxic Activity
Published in Inorganic chemistry (20-12-2010)“…Purple acid phosphatases (PAPs) are a group of metallohydrolases that contain a dinuclear FeIIIMII center (MII = Fe, Mn, Zn) in the active site and are able to…”
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8
Synthesis of substituted dipyrido[3,2- a:2′,3′- c]phenazines and a new heterocyclic dipyrido[3,2- f:2′,3′- h]quinoxalino[2,3- b]quinoxaline
Published in Tetrahedron (26-05-2008)“…Three new α,α′-diimine ligands were synthesized based on condensation of 1,10-phenanthroline-5,6-dione with 1,2-phenylenediamine derivatives using different…”
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9
Determination of chlorogenic acid in coffee using a biomimetic sensor based on a new tetranuclear copper(II) complex
Published in Talanta (Oxford) (19-10-2008)“…A new tetranuclear copper(II) complex which mimics the active site of catechol oxidase was synthesized and characterized by IR, CHN, electronic spectroscopic…”
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10
Electronic Effects of Electron-Donating and -Withdrawing Groups in Model Complexes for Iron-Tyrosine-Containing Metalloenzymes
Published in Inorganic chemistry (06-02-2006)“…Three new iron(III) complexes with the ligand N,N‘-bis(2-hydroxybenzyl)-N,N‘-bis(pyridin-2-ylmethyl)ethylenediamine, H2bbpen, containing electron-donating and…”
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11
A new dinuclear unsymmetric copper(II) complex as model for the active site of catechol oxidase
Published in Inorganica Chimica Acta (13-08-2001)“…The crystal structure, magnetic, redox and spectroscopic properties of a novel unsymmetrical dinuclear copper(II) complex, prepared by the reaction between…”
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12
A new concept for insect damage evaluation based on plant physiological variables
Published in Anais da Academia Brasileira de Ciências (01-12-2006)“…The objective of this study was to determine the damage levels caused by Orthezia praelonga Douglas, 1891 and Leucoptera coffeella (Guérin-Mèneville 1842), on…”
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13
Synthesis, structure and physicochemical properties of zinc and copper complexes based on sulfonamides containing 8-aminoquinoline ligands
Published in Química nova (2008)“…Sulfonamides obtained by reaction of 8-aminoquinoline with 4-nitrobenzenesulfonylchloride and 2,4,6-triisopropylbenzenesulfonyl chloride were used to…”
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14
Synthesis, Structure, Physicochemical Properties and Catecholase-like Activity of a New Dicopper(II) Complex
Published in Journal of the Brazilian Chemical Society (01-12-2001)“…The synthesis, characterization and catecholase activity studies of the complex [Cu2(H2bbppnol)(mu-OAc)(mu-ClO 4)]ClO4·H2O·EtOAc containing the dinucleating…”
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15
Synthesis, physicochemical properties and in vitro catalytic activity of a dinuclear nickel(II) complex with a N5O-hexadentate ligand: A functional model for phosphohydrolases
Published in Polyhedron (18-04-2016)“…A novel unsymmetrical ligand HL and its dinuclear nickel(II) complex were synthesized. The ability to mimic the functional role of the dinuclear metalloenzymes…”
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16
Di-μ-chlorido-bis-[chlorido(1,4,6-trimethyl-6-nitro-1,4-diazepine)copper(II)]
Published in Acta crystallographica. Section E, Structure reports online (08-01-2009)“…The title neutral copper complex, [Cu(2)Cl(4)(C(8)H(17)N(3)O(2))(2)], shows a binuclear center with a Cu-(μ-Cl)(2)-Cu core, in which each copper ion is…”
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17
Phosphate Ester Hydrolysis: Metal Complexes As Purple Acid Phosphatase and Phosphotriesterase Analogues
Published in European Journal of Inorganic Chemistry (01-07-2009)“…This microreview describes the structures and properties of a number of bimetallic complexes designed as both structural and functional mimics of the active…”
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Book Review Journal Article -
18
A heterotrinuclear bioinspired coordination complex capable of binding to DNA and emulation of nuclease activity
Published in Journal of inorganic biochemistry (01-01-2022)“…The investigation of compounds capable of strongly and selectively interacting with DNA comprises a field of research in constant development. In this work, we…”
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19
Selective diesterase-like activity of bioinspired FeIIINiII and FeIIIZnII complexes and their 3-aminopropyl silica composites: A homo- and heterogeneous catalytic study
Published in Inorganica Chimica Acta (24-01-2025)“…The paper reports synthesis and characterization of two new mixed-valence complexes [FeIIIMII(BPPAMFF)] (M = Zn/Ni). These compounds were also immobilized on…”
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20
Synthesis, structure and molecular modeling of a ZnII-Phenolate complex as a model for ZnII-Containing tyrosinate metalloenzymes
Published in Journal of the Brazilian Chemical Society (01-04-2006)“…We describe herein the synthesis, crystal structure and ¹H NMR properties of the mononuclear [ZnII(L-Br)].2H2O complex containing the hexadentate H2L-Br ligand…”
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