Search Results - "Formiga, André Luiz Barboza"

Switching the Spin-Crossover Phenomenon by Ligand Design on Imidazole–Diazineiron(II) Complexes by Bibi, Naheed, de Arruda, Eduardo Guimarães Ratier, Domingo, Alex, Oliveira, Aline Alves, Galuppo, Carolina, Phung, Quan Manh, Orra, Naíma Mohammed, Béron, Fanny, Paesano, Andrea, Pierloot, Kristine, Formiga, André Luiz Barboza

“…The iron­(II) complexes of two structural isomers of 2-(1H-imidazol-2-yl)­diazine reveal how ligand design can be a successful strategy to control the…”
Get full text

Analysis of solvent‐accessible voids and proton‐coupled electron transfer of 2,6‐bis(1H‐imidazol‐2‐yl)pyridine and its hydrochloride by Guerra, Renan B., Huamaní, Luis S. C., Tenorio, Juan C., Guimarães, Willian M., Bonacin, Juliano A., Barboza Formiga, André Luiz

“…The crystal structures of the solid form of solvated 2,6‐bis(1H‐imidazol‐2‐yl)pyridine (H2dimpy) trihydrate, C11H9N5·3H2O·[+solvent], I, and its hydrate…”
Get full text

Spin State Energetics and Oxyl Character of Mn-Oxo Porphyrins by Multiconfigurational ab Initio Calculations: Implications on Reactivity by Venturinelli Jannuzzi, Sergio Augusto, Phung, Quan Manh, Domingo, Alex, Formiga, André Luiz Barboza, Pierloot, Kristine

“…Important electromeric states in manganese-oxo porphyrins MnO­(P)+ and MnO­(PF4)+ (porphyrinato or meso-tetrafluoroporphyrinato) have been investigated with…”
Get full text

Spontaneous formation of highly dispersed spheroidal metallic silver nanoparticles in surfactant-free N,N-dimethylacetamide by da Costa, Luiz Pereira, Formiga, André Luiz Barboza, Mazali, Italo Odone, Sigoli, Fernando Aparecido

“…► This work shows the preparation of highly dispersed spheroidal silver nanoparticles. ► The reaction was carried out in surfactant-free N,N-dimethylacetamide…”
Get full text

Electronic Spectra of N‑Heterocyclic Pentacyanoferrate(II) Complexes in Different Solvents, Studied by Multiconfigurational Perturbation Theory by Formiga, André Luiz Barboza, Vancoillie, Steven, Pierloot, Kristine

“…Ligand-field and charge-transfer spectra of N-heterocyclic pentacyanoferrate(II) complexes [Fe(CN)5L] n− were investigated using multiconfigurational…”
Get full text

Role of Protonation and Isomerism in the Supramolecular Architectures of Heteroaryl-2-imidazole Compounds: Crystal Packing Patterns and Energetics by Huamaní, Luis Enrique Santa Cruz, Tenorio, Juan Carlos, Barrach Guerra, Renan, Hideki Nakahata, Douglas, Bibi, Naheed, Bonacin, Juliano Alves, Formiga, André Luiz Barboza

“…The influence of isomerism and protonation on crystal packing patterns of three isomeric heteroaryl-2-imidazoles and one related compound was investigated by…”
Get full text

Supramolecular Interactions between Inorganic and Organic Blocks of Pentacyanoferrate/Poly(4-vinylpyridine) Hybrid Metallopolymer by Jannuzzi, Sergio Augusto Venturinelli, Martins, Bianca, Felisberti, Maria Isabel, Formiga, André Luiz Barboza

“…The combination of organic and inorganic molecular building blocks gives rise to hybrid supramolecular materials showing properties from both chemical domains…”
Get full text

Water Oxidation Performance Enhanced by Electrochemically Designed Vacancies on a Prussian Blue Catalyst by Germscheidt, Rafael Lavagnolli, da Silva Francischini, Danielle, Silva, Mariana Bianchini, Zezzi Arruda, Marco Aurélio, Barboza Formiga, André Luiz, Rizuti da Rocha, Túlio Costa, Bonacin, Juliano Alves

“…Prussian blue analogues are one of the most promising examples of water oxidation catalysts presenting great performance, activity, and stability under mild…”
Get full text

A silver complex with ibuprofen: Synthesis, solid state characterization, DFT calculations and antibacterial assays by Silva, Irlene Maria Pereira e, Profirio, Daniel de Moraes, de Paiva, Raphael Enoque Ferraz, Lancellotti, Marcelo, Formiga, André Luiz Barboza, Corbi, Pedro Paulo

“…Structure of the dimeric silver bridged structure for the Ag-ibu complex, optimized with B3LYP/LANL2DZ. For clearness, just one ibuprofen molecule is shown,…”
Get full text

Crystal structure, electrochemical and spectroscopic investigation of mer -tris-[2-(1 H -imidazol-2-yl-κ N 3 )pyrimidine-κ N 1 ]ruthenium(II) bis-(hexa-fluorido-phosphate) trihydrate by Bibi, Naheed, Guerra, Renan Barrach, Huamaní, Luis Enrique Santa Cruz, Formiga, André Luiz Barboza

“…The crystal structure of the title compound, [Ru(C H N ) ](PF ) ·3H O, a novel Ru complex with the bidentate ligand 2-(1 -imidazol-2-yl)pyrimidine, comprises a…”
Get full text

Synthesis and Electrochemical Characterization of Poly(2-methoxy-4-vinylphenol) with MWCNTs by Corrêa, Cátia Crispilho, Santhiago, Murilo, de Carvalho Castro e Silva, Cecília, Barboza Formiga, André Luiz, Kubota, Lauro Tatsuo

“…The present work describes a simple grafting of poly‐2‐methoxy‐4‐vinylphenol to multiwalled carbon nanotubes (MWCNTs) by in situ free radical polymerization…”
Get full text

Electrocatalytic oxidation of methanol by the [Ru3O(OAc)6(py)2(CH3OH)]3+cluster: improving the metal-ligand electron transfer by accessing the higher oxidation states of a multicentered system by Toma, Henrique E., Araki, Koiti, Formiga, André Luiz Barboza, Alexiou, Anamaria D. P., Nunes, Genebaldo S.

“…The [Ru3O(Ac)6(py)2(CH3OH)]+ cluster provides an effective electrocatalytic species for the oxidation of methanol under mild conditions. This complex exhibits…”
Get full text

Correction to “Water Oxidation Performance Enhanced by Electrochemically Designed Vacancies on Prussian Blue Catalyst” by Germscheidt, Rafael Lavagnolli, da Silva Francischini, Danielle, Silva, Mariana Bianchini, Zezzi Arruda, Marco Aurélio, Formiga, André Luiz Barboza, da Rocha, Túlio Costa Rizuti, Bonacin, Juliano Alves

Get full text

Prussian Blue Films Produced by Pentacyanidoferrate(II) and Their Application as Active Electrochemical Layers by Morandi Pires, Bruno, Venturinelli Jannuzzi, Sergio Augusto, Barboza Formiga, André Luiz, Alves Bonacin, Juliano

“…Iron complexes such as ferri/ferrocyanides are usually employed as electrochemical mediators in portable devices for the quick diagnosis of diseases. Stable…”
Get full text

Synthesis, structural and magnetic characterization of a copper(II) complex of 2,6-di(1H-imidazol-2-yl)pyridine and its application in copper-mediated polymerization catalysis by Ratier de Arruda, Eduardo Guimarães, de Farias, Marcelo Alexandre, Venturinelli Jannuzzi, Sergio Augusto, de Almeida Gonsales, Stella, Timm, Ronaldo Adriano, Sharma, Surender, Zoppellaro, Giorgio, Kubota, Lauro Tatsuo, Knobel, Marcelo, Barboza Formiga, André Luiz

“…[Display omitted] •A dimeric Cu(II) complex was characterized by single crystal XRD.•Magnetic interaction between copper ions is ferromagnetic.•DFT…”
Get full text

Prussian Blue Films Produced by Pentacyanidoferrate(II) and Their Application as Active Electrochemical Layers by Morandi Pires, Bruno, Venturinelli Jannuzzi, Sergio Augusto, Barboza Formiga, André Luiz, Alves Bonacin, Juliano

“…Invited for the cover of this issue is Juliano Bonacin from the University of Campinas, Brazil. The cover image shows the use of Prussian Blue films prepared…”
Get full text

Modified electrode using multi-walled carbon nanotubes and a metallopolymer for amperometric detection of l-cysteine by Corrêa, Cátia Crispilho, Jannuzzi, Sergio Augusto Venturinelli, Santhiago, Murilo, Timm, Ronaldo Adriano, Formiga, André Luiz Barboza, Kubota, Lauro Tatsuo

“…•New hybrid material with redox active sites formed at low overpotential.•Easy and simple electrode modification with no activation step.•High electrocatalytic…”
Get full text

A new optical nickel(II) cyclen-naphthalene probe for molecular thermometry using fluorescence and NMR techniques by Carpes Nunes, Marcelo, Zaboenco, Thaís, Kemper Melara, Vinícius, Barros Baptistella, Gabriel, Luiz Barboza Formiga, André, Barison, Andersson, Souza Nunes, Fábio

Get full text

Anticancer activity and DNA interaction of ruthenium acetate clusters bearing azanaphthalene ancillary ligands by Possato, Bruna, Chrispim, Pedro Branco Hauch, Alves, Jacqueline Querino, Ramos, Loyanne Carla Barbosa, Marques, Elise, de Oliveira, Arthur Cavalcante, da Silva, Roberto Santana, Formiga, André Luiz Barboza, Nikolaou, Sofia

“…A family of six trinuclear ruthenium complexes combined with azanaphthalene ligands is selectively cytotoxic to murine melanoma cancer, and complex…”
Get full text

Synthesis, crystallographic studies, molecular modeling and in vitro biological studies of silver(I) complexes with aminoadamantane ligands by dos Santos Pereira, Anna Karla, Nakahata, Douglas Hideki, Manzano, Carlos Marrote, de Alencar Simoni, Déborah, Pereira, Douglas Henrique, Lustri, Wilton Rogério, Formiga, André Luiz Barboza, Corbi, Pedro Paulo

“…Crystal structures, molecular modeling and biological activities of two silver(I) compounds containing aminoadamantane ligands. [Display omitted] Silver(I)…”
Get full text