Search Results - "Sá, Eduardo L. de"

A Rare Example of Four-Coordinate Nonoxido Vanadium(IV) Alkoxide in the Solid State: Structure, Spectroscopy, and Magnetization Dynamics by Stinghen, Danilo, Atzori, Matteo, Fernandes, Caprici M., Ribeiro, Ronny R., de Sá, Eduardo L., Back, Davi F., Giese, Siddhartha O. K., Hughes, David L., Nunes, Giovana G., Morra, Elena, Chiesa, Mario, Sessoli, Roberta, Soares, Jaísa F.

“…The distorted tetrahedral [V­(OAd)4] alkoxide (OAd = 1-adamantoxide, complex 1) is the first homoleptic, mononuclear vanadium­(IV) alkoxide to be characterized…”
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Promoting a Significant Increase in the Photoluminescence Quantum Yield of Terbium(III) Complexes by Ligand Modification by Gregório, Thaiane, Leão, Joyce de M, Barbosa, Guilherme A, Ramos, Jaqueline de L, Om Kumar Giese, Siddhartha, Briganti, Matteo, Rodrigues, Paula C, de Sá, Eduardo L, Viana, Emilson R, Hughes, David L, Carlos, Luís D, Ferreira, Rute A. S, Macedo, Andreia G, Nunes, Giovana G, Soares, Jaísa F

“…Two discrete mononuclear complexes, [Tb­(bbpen)­(NO3)] (I) and [Tb­(bbppn)­(NO3)] (II), for which H 2 bbpen =…”
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Synthesis, characterization and chemoprotective activity of polyoxovanadates against DNA alkylation by Nunes, Giovana G., Bonatto, Ana C., de Albuquerque, Carla G., Barison, Andersson, Ribeiro, Ronny R., Back, Davi F., Andrade, André Vitor C., de Sá, Eduardo L., Pedrosa, Fábio de O., Soares, Jaísa F., de Souza, Emanuel M.

“…The alkylation of pUC19 plasmid DNA has been employed as a model reaction for the first studies on chemoprotective action by a mixed-valence (+IV/+V)…”
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Investigating the Nature of Noble Gas−Copper Bonds by the Quantum Theory of Atoms in Molecules by Rodrigues, Eduardo F. F, de Sá, Eduardo L, Haiduke, Roberto L. A

“…We investigated noble gas−copper bonds in linear complexes represented by the NgCuX general formula in which Ng and X stand for a noble gas (neon, argon,…”
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A New Cytotoxic Naphthoquinone and Other Chemical Constituents of Sinningia reitzii by Silva, Adson, Amorim, Magali, Fonseca, Mariana, Salvador, Marcos, de Sá, Eduardo, Stefanello, Maria Élida

“…Phytochemical study of Sinningia reitzii (Gesneriaceae) led to the isolation of three new naphtoquinones, 6,7-dimethoxydunnione, 7-hydroxy-6-methoxydunnione,…”
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ANTIOXIDANT NAPHTHOQUINONES OF Sinningia reitzii FROM SANTA CATARINA STATE, BRAZIL by Winiewski, Vanessa, Silva, Adson, Alvarez, Kattleen, Sá, Eduardo, Salvador, Marcos, Stefanello, Maria

“…Sinningia reitzii (Hoehne) L. E. Skog (Gesneriaceae) is a subshrub native to Brazil, where it is distributed in two disjunctive populations around the 26°S and…”
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CHEMICAL CONSTITUENTS OF Sinningia mauroana AND SCREENING OF ITS EXTRACTS FOR ANTIMICROBIAL, ANTIOXIDANT AND CYTOTOXIC ACTIVITIES by Winiewski, Vanessa, Serain, Alessandra, Sá, Eduardo, Salvador, Marcos, Stefanello, Maria Élida

“…Phytochemical study of aerial parts from Sinningia mauroana Chautems (Gesneriaceae) yielded 17 known compounds: sitosterol, stigmasterol, betulinic acid,…”
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Improved Reactivity in the Ring-Opening Polymerization of ε-Caprolactone with a Trinuclear Titanium(IV) Oxochloroneopentoxide as Initiator by Giese, Siddhartha, Silva, Thiago, Hughes, David L. Hughes, Rüdiger, André Luis, de Sá, Eduardo, Zawadzki, Sônia, Soares, Jaísa, Nunes, Giovana

“…The complex [Ti3(O)(Cl)(ONep)9] and two iron(II)-containing products, [Fe4Cl8(thf)6] and [Fe2Cl3(thf)6][FeCl4], were synthesized by a redox reaction involving…”
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Electrostatic properties of small molecules by means of atomic multipoles from the quantum theory of atoms in molecules by Rodrigues, Eduardo F. F., de Sá, Eduardo L., Haiduke, Roberto L. A.

“…Atomic multipoles from the Quantum Theory of Atoms in Molecules (QTAIM), up to quadrupoles, and CHELPG charges are employed in the description of electrostatic…”
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Vanadium-lithium alkoxides: synthesis, structure, spectroscopic characterisation and accidental degradation of silicone grease by Reis, Dayane M., Westrup, Kátia Cristina M., Nunes, Giovana G., Barison, Andersson, Ribeiro, Ronny R., Sá, Eduardo L. de, Hughes, David L., Soares, Jaísa F.

“…Two complexes containing both vanadium and lithium, [V6Li10O8(ONep)14{O2Si(Me)2(ONep)}2] (1) and [V(ONep)3(µ-ONep)2Li(thf)2] (2), Nep = neopentyl, Me = methyl…”
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Synthesis of Fe/Ti oxides from a single source alkoxide precursor under inert atmosphere by Camargo, Pedro H. C., Nunes, Giovana G., Sá, Eduardo L. de, Tremiliosi-Filho, Germano, Evans, David J., Zarbin, Aldo J. G., Soares, Jaísa F.

“…The heterometal alkoxide [FeCl{Ti2(OPr i)9}] (1) was employed as a single source precursor for the preparation of Fe/Ti oxides under inert atmosphere. Three…”
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Dimeric naphthochromenes and other constituents from Sinningia allagophylla (Gesneriaceae) by Verdan, Maria Helena, Winiewski, Vanessa, Scharf, Dilamara R., Salvador, Marcos José, Sá, Eduardo L. de, Stefanello, Maria Élida A.

“…[Display omitted] •Four new compounds (1-4) were isolated from Sinningia allagophylla tubers.•Five known compounds (5-9) are reported for the first time in S…”
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Titanium and iron oxides produced by sol–gel processing of [FeCl{Ti 2(OPr i) 9}]: structural, spectroscopic and morphological features by Camargo, Pedro H.C, Nunes, Giovana G, Friedermann, Geraldo R, Evans, David J, Leigh, G.Jeffery, Tremiliosi-Filho, Germano, de Sá, Eduardo L, Zarbin, Aldo J.G, Soares, Jaı́sa F

“…The first structurally characterised titanium and iron isopropoxide, [FeCl{Ti 2(OPr i ) 9}] ( 1), has been used as a single-source precursor for TiO 2/Fe 2TiO…”
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In Situ Vibrational Study of the Initial Steps during Urea Electrochemical Oxidation by Bezerra, Ângela C. S, de Sá, Eduardo L, Nart, Francisco C

“…The electrochemical oxidation of urea has been studied by in situ Fourier transform infrared spectroscopy in supporting electrolytes of different pH. It has…”
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An atomic charge study of highly ionic diatomic molecular systems by Nakazato, Daniel T. I., De Sá, Eduardo L., Haiduke, Roberto L. A.

“…Four atomic charge formalisms are compared using highly ionic diatomic molecules, such as LiF, NaF, KF, LiCl, NaCl, KCl, BF, AlF, GaF, BeO, and MgO. All…”
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New titanium(IV) and vanadium(IV) haloalkoxides: synthetic route and structural characterisation by Nunes, Giovana G., Reis, Dayane M., Camargo, Pedro H. C., Hitchcock, Peter B., Hörner, Manfredo, Matos, Robson M., Mangrich, Antonio S., Sá, Eduardo L. de, Leigh, G. Jeffery, Soares, Jaísa F.

“…The novel binuclear titanium(IV) complex [{TiCl(OPr i)2(HOPr i )}2(mu-OPr i)2], 1, and the first mononuclear vanadyl(IV) chloroalcoholate [VCl(O)(HOPr i)4]Cl,…”
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2-Mercaptobenzoxazole pentacyanoferrate(II/III) complexes: UV-Visible, Mössbauer, electron paramagnetic resonance, electrochemistry and molecular modeling by Luiz, Juciane B, Andrade, Fabiano M. de, Sá, Eduardo L. de, Friedermann, Geraldo R, Mangrich, Antonio S, Barclay, J. Elaine, Evans, David J, Hasegawa, Tai, Nunes, Fábio S

“…2-Mercaptobenzoxazole pentacyanoferrate(II/III) complexes, [FeII/III(CN)5(bzoxs)]3-/2- , were prepared in MeOH/H2O 75:25% solutions and characterized by…”
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Accessing decavanadate chemistry with tris(hydroxymethyl)aminomethane, and evaluation of methylene blue bleaching by Missina, Juliana M., Leme, Luiza B.P., Postal, Kahoana, Santana, Francielli S., Hughes, David L., de Sá, Eduardo L., Ribeiro, Ronny R., Nunes, Giovana G.

“…Tris(hydroxymethyl)aminomethane was used in a novel route to produce decavanadate salts from V2O5. Structural aspects and bleaching of methylene blue were…”
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An oxalate-bridged oxidovanadium(IV) binuclear complex that improves the in vitro cell uptake of a fluorescent glucose analog by Baptistella, Gabriel B., Manica, Graciele C.M., de Souza, Susan W., Santana, Francielli S., Fachini, Lucas G., Hughes, David L., de Sá, Eduardo L., Picheth, Geraldo, Soares, Jaísa F., Rego, Fabiane G.M., Nunes, Giovana G.

“…A highly water-soluble, binuclear oxalate-bridged oxidovanadium(IV) was synthesized, characterized, and studied by DFT method. Insulin-mimetic activity in…”
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ε-Caprolactone and Lactide Polymerization Promoted by an Ionic Titanium(IV)/Iron(III) Polynuclear Halo-Alkoxide by EGEVARDT, Cristiano, GIESE, Siddhartha O. K, SANTOS, Alan D. da C, BARISON, Andersson, DE SA, Eduardo L, ZANDONA, Arion, DA SILVA, Thiago A, ZAWADZKI, Sônia F, SOARES, Jaísa F, NUNES, Giovana G

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