Search Results - "Araujo, Maria H."

Combination of Aryl Diselenides/Hydrogen Peroxide and Carbon‐Nanotube/Rhodium Nanohybrids for Naphthol Oxidation: An Efficient Route towards Trypanocidal Quinones by de Carvalho, Renato L., Jardim, Guilherme A. M., Santos, Augusto C. C., Araujo, Maria H., Oliveira, Willian X. C., Bombaça, Ana Cristina S., Menna‐Barreto, Rubem F. S., Gopi, Elumalai, Gravel, Edmond, Doris, Eric, da Silva Júnior, Eufrânio N.

“…This work reports a combination of aryl diselenides/hydrogen peroxide and carbon‐nanotube (CNT)/rhodium nanohybrids (RhCNT) for naphthol oxidation towards the…”
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Use of activated carbon as a reactive support to produce highly active-regenerable Fe-based reduction system for environmental remediation by Pereira, Márcio C., Coelho, Flávia S., Nascentes, Clésia C., Fabris, José D., Araújo, Maria H., Sapag, Karim, Oliveira, Luiz C.A., Lago, Rochel M.

“…Composites based on iron supported on high surface area activated carbon were prepared and characterized with 57Fe Mössbauer spectroscopy, X-ray diffraction,…”
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The Use of the Mannich Reaction toward Amino‐Based Anthraquinone Applied in Aqueous Redox Flow Battery by Almeida, Renata G., De Silva, Oshadie, Delolo, Fábio G., Araujo, Maria H., Maniam, Subashani, da Silva Júnior, Eufrânio N.

“…A water‐soluble anthraquinone derived from alizarin, 3HAAQ, is introduced as the redox‐active material in a negative potential electrolyte (anolyte) for…”
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3D Graphene-like Carbon Structures from Poly(Acrylic Acid): A Novel Synthetic Route by Simões, Ana L A, de Carvalho, Lílian A, Lago, Rochel M, Ronconi, Célia M, Vieira, Sara S, Araujo, Maria H

“…Emerging contaminants, such as the hormone 17α-ethynylestradiol (EE), in aquatic environments pose a serious risk to both human and environmental health,…”
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SuFEx‐Functionalized Quinones via Ruthenium‐Catalyzed C−H Alkenylation: A Potential Building Block for Bioactivity Valorization by Oliveira, Joyce C., Abreu, Breno U., Paz, Esther R. S., Almeida, Renata G., Honorato, João, Souza, Cauê P., Fantuzzi, Felipe, Ramos, Victor F. S., Menna‐Barreto, Rubem F. S., Araujo, Maria H., Jardim, Guilherme A. M., Silva Júnior, Eufrânio N.

“…Herein, we describe the Ru‐catalyzed C−H alkenylation of 1,4‐naphthoquinones (1,4‐NQs), resulting in 1,4‐naphthoquinoidal/SuFEx hybrids with moderate to good…”
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Electrochemical Diselenation of BODIPY Fluorophores for Bioimaging Applications and Sensitization of 1O2 by Bozzi, Ícaro A. O., Machado, Luana A., Diogo, Emilay B. T., Delolo, Fábio G., Barros, Luiza O. F., Graça, Gabriela A. P., Araujo, Maria H., Martins, Felipe T., Pedrosa, Leandro F., Luz, Lilian C., Moraes, Emmanuel S., Rodembusch, Fabiano S., Guimarães, João S. F., Oliveira, André G., Röttger, Sebastian H., Werz, Daniel B., Souza, Cauê P., Fantuzzi, Felipe, Han, Jianhua, Marder, Todd B., Braunschweig, Holger, Silva Júnior, Eufrânio N.

“…Invited for the cover of this issue are the groups of Holger Braunschweig at the Julius‐Maximilians‐Universität Würzburg, Germany and Eufrânio N. da Silva…”
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Front Cover: Electrochemical Diselenation of BODIPY Fluorophores for Bioimaging Applications and Sensitization of 1O2 (Chem. Eur. J. 11/2024) by Bozzi, Ícaro A. O., Machado, Luana A., Diogo, Emilay B. T., Delolo, Fábio G., Barros, Luiza O. F., Graça, Gabriela A. P., Araujo, Maria H., Martins, Felipe T., Pedrosa, Leandro F., Luz, Lilian C., Moraes, Emmanuel S., Rodembusch, Fabiano S., Guimarães, João S. F., Oliveira, André G., Röttger, Sebastian H., Werz, Daniel B., Souza, Cauê P., Fantuzzi, Felipe, Han, Jianhua, Marder, Todd B., Braunschweig, Holger, Silva Júnior, Eufrânio N.

“…A rapid and efficient approach with a broad scope for the late‐stage electrochemical diselenation of BODIPYs is reported. The selenium‐containing BODIPYs can…”
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Electrochemical Diselenation of BODIPY Fluorophores for Bioimaging Applications and Sensitization of 1 O 2 by Bozzi, Ícaro A O, Machado, Luana A, Diogo, Emilay B T, Delolo, Fábio G, Barros, Luiza O F, Graça, Gabriela A P, Araujo, Maria H, Martins, Felipe T, Pedrosa, Leandro F, da Luz, Lilian C, Moraes, Emmanuel S, Rodembusch, Fabiano S, Guimarães, João S F, Oliveira, André G, Röttger, Sebastian H, Werz, Daniel B, Souza, Cauê P, Fantuzzi, Felipe, Han, Jianhua, Marder, Todd B, Braunschweig, Holger, da Silva Júnior, Eufrânio N

“…Invited for the cover of this issue are the groups of Holger Braunschweig at the Julius-Maximilians-Universität Würzburg, Germany and Eufrânio N. da Silva…”
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Electrochemical Halogenation of Naphthoquinones: A Modular and Sustainable Strategy towards Trypanocidal Compounds by Guimarães, Eduardo F S, Graça, Gabriela A P, Diogo, Emilay B T, Almeida, Renata G, Pereira, Daiane B, Araujo, Maria H, da Silva, Caren D G, Gatto, Claudia C, Ramos, Victor F S, Menna-Barreto, Rubem F S, Jardim, Guilherme A M, da Silva Júnior, Eufrânio Nunes

“…An eco-friendly electrochemical halogenation of 2-amino-1,4-naphthoquinones has been developed. The new mild and energy efficient methodology comprises…”
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Ruthenium(II)‐Catalyzed C−H/N−H Alkyne Annulation of Nonsymmetric Imidazoles: Mechanistic Insights by Computation and Photophysical Properties by Machado, Luana A., Paz, Esther R. S., Araujo, Maria H., Almeida, Leandro D., Bozzi, Ícaro A. O., Dias, Gleiston G., Pereira, Cynthia L. M., Pedrosa, Leandro F., Fantuzzi, Felipe, Martins, Felipe T., Cury, Luiz A., Silva Júnior, Eufrânio N.

“…Imidazoles constitute an important class of heterocyclic compounds with extensive potential use, from pharmaceuticals to optoelectronics. However, synthetic…”
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It Takes Two to Tango, Part II: Synthesis of A-Ring Functionalised Quinones Containing Two Redox-Active Centres with Antitumour Activities by Oliveira, Joyce C, de Carvalho, Renato L, Sampaio, Hugo G S, Honorato, João, Ellena, Javier A, Martins, Felipe T, Pereira, João V M, Costa, Pedro M S, Pessoa, Claudia, Ferreira, Rafaela S, Araújo, Maria H, Jacob, Claus, da Silva Júnior, Eufrânio N

“…In 2021, our research group published the prominent anticancer activity achieved through the successful combination of two redox centres ( -quinone/ -quinone…”
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Electrochemical Diselenation of BODIPY Fluorophores for Bioimaging Applications and Sensitization of 1O2 by Bozzi, Ícaro A. O., Machado, Luana A., Diogo, Emilay B. T., Delolo, Fábio G., Barros, Luiza O. F., Graça, Gabriela A. P., Araujo, Maria H., Martins, Felipe T., Pedrosa, Leandro F., Luz, Lilian C., Moraes, Emmanuel S., Rodembusch, Fabiano S., Guimarães, João S. F., Oliveira, André G., Röttger, Sebastian H., Werz, Daniel B., Souza, Cauê P., Fantuzzi, Felipe, Han, Jianhua, Marder, Todd B., Braunschweig, Holger, Silva Júnior, Eufrânio N.

“…We report a rapid, efficient, and scope‐extensive approach for the late‐stage electrochemical diselenation of BODIPYs. Photophysical analyses reveal…”
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Study of the interactions of the hazardous amoxicillin antibiotic inside the MCM-41/CTA hydrophobic cavities by Ribeiro-Santos, Tatiana A., Milagre, Luisa E., de Castro, Mateus C.M., Henriques, Fernando F., Magalhães, Welington F., Windmöller, Dario, Lago, Rochel M., Teixeira, Ana P.C., Araujo, Maria H.

“…[Display omitted] In this work, it was studied the interaction of the hazardous antibiotic amoxicillin (AMX) molecules inside the mesocavities of a composite…”
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Aryl-Phenanthro[9,10‑d]imidazole: A Versatile Scaffold for the Design of Optical-Based Sensors by Dias, Gleiston G., O. Rodrigues, Marieli, Paz, Esther R. S., P. Nunes, Mateus, Araujo, Maria H., Rodembusch, Fabiano S., da Silva Júnior, Eufrânio N.

“…Fluorescent and colorimetric sensors are important tools for investigating the chemical compositions of different matrices, including foods, environmental…”
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Bistable copper(II) metallosurfactant as molecular machine for the preparation of hybrid silica-based porous materials by do Pim, Walace D., Ribeiro-Santos, Tatiana A., Jardim, Ingrid S., de Castro, Mateus C.M., Braga, Adriano H., do Nascimento, Gustavo M., Binatti, Ildefonso, Stumpf, Humberto O., Lorençon, Eudes, Araujo, Maria H., Pereira, Cynthia L.M.

“…A pH-triggered bistable copper(II) complex acts as a molecular machine in which a molecular movement can be driven by the pH and the complex assumes…”
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Combination of Aryl Diselenides/Hydrogen Peroxide and Carbon‐Nanotube/Rhodium Nanohybrids for Naphthol Oxidation: An Efficient Route towards Trypanocidal Quinones by de Carvalho, Renato L., Jardim, Guilherme A. M., Santos, Augusto C. C., Araujo, Maria H., Oliveira, Willian X. C., Bombaça, Ana Cristina S., Menna‐Barreto, Rubem F. S., Gopi, Elumalai, Gravel, Edmond, Doris, Eric, da Silva Júnior, Eufrânio N.

“…Invited for the cover of this issue is the group of Eric Doris at the Université Paris‐Saclay and Eufrânio N. da Silva Júnior at the Federal University of…”
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Investigation of reaction mechanisms by electrospray ionization mass spectrometry: characterization of intermediates in the degradation of phenol by a novel iron/magnetite/hydrogen peroxide heterogeneous oxidation system by Moura, Flávia C. C., Araujo, Maria H., Dalmázio, Ilza, Alves, Tânia M. A., Santos, Leonardo S., Eberlin, Marcos N., Augusti, Rodinei, Lago, Rochel M.

“…Electrospray ionization (ESI) mass spectrometry (MS) and tandem mass spectrometry (MS/MS) were used to monitor the oxidation of phenol by a novel heterogeneous…”
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Surface hydrolysis of postconsumer polyethylene terephthalate to produce adsorbents for cationic contaminants by Rosmaninho, Marcelo G., Jardim, Erika, Moura, Flávia C. C., Ferreira, Gilmara L., Thom, Viviani, Yoshida, Maria I., Araujo, Maria H., Lago, Rochel M.

“…In this work, the surface hydrolysis of postconsumer polyethylene terephthalate (PET) was used to produce an ion exchange material to adsorb cationic…”
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Selective hydrogenation of myrcene catalyzed by complexes of ruthenium, chromium, iridium and rhodium by Speziali, Marcelo G., Moura, Flávia C.C., Robles-Dutenhefner, Patricia A., Araujo, Maria H., Gusevskaya, Elena V., dos Santos, Eduardo N.

“…The hydrogenation of myrcene ( 1) catalyzed by Ru, Cr, Ir and Rh complexes leads to the formation of a complex mixture of mono-, di- and trihydrogenated…”
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Dissecting out the effect of Ru-OAr bonding in a five-coordinate complex of ruthenium (II) by Monfette, Sebastien, Duarte Silva, João A, Gorelsky, Serge I, Dalgarno, Scott J, dos Santos, Eduardo N, Araujo, Maria H, Fogg, Deryn E

“…Blue Ru(o-cat)(PPh 3 ) 3 ( 5 ; o-cat = ortho-catecholate), obtained in 94% yield by reaction of RuCl 2 (PPh 3 ) 3 ( 4 ) with dithallium catecholate, was…”
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