Search Results - "Pires, Silvia Helena"

DNA damage in a solution containing copper(II) ions and ascorbic acid: Effect of the presence of sulfite by Requeijo, Thais Boscolo, Serrano, Silvia Helena Pires, Moya, Horacio Dorigan

“…Some antioxidant compounds have a pro-oxidant effect in the presence of transition metal ions, due to the reduction of Mn+ to M(n-1)+ with simultaneous…”
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New insights on the electrochemical mechanism of epinephrine on glassy carbon electrode by Bacil, Raphael P., Garcia, Pedro H.M., Serrano, Silvia Helena Pires

“…[Display omitted] •Epinephrine oxidizes in an EECEE mechanism instead of ECE.•The oxidations processes present potential inversions.•A more detailed EECEE…”
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Mechanism and kinetics of olanzapine and quetiapine oxidations at glassy carbon electrode by Bacil, Raphael P., Garcia, Pedro H.M., de Araujo, William Reis, Serrano, Silvia Helena Pires

“…•Processes I and II, in OLZP, form a reversible pair, ascribed to the oxidation of the outer nitrogen at the diazepine ring.•OLZP presents a reversible redox…”
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Forensic electrochemistry: Electrochemical study and quantification of xylazine in pharmaceutical and urine samples by Mendes, Letícia Francine, Souza e Silva, Ângela Rodrigues, Bacil, Raphael Prata, Serrano, Silvia Helena Pires, Angnes, Lúcio, Paixão, Thiago Regis Longo Cesar, de Araujo, William Reis

“…Xylazine is marketed as a veterinary drug and used for sedative and analgesic purposes; it is not approved for human use due to various side effects. In recent…”
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Strategies to promote renewable energy in Brazil by Pereira, Amaro Olimpio, Pereira, André Santos, La Rovere, Emilio Lèbre, Barata, Martha Macedo de Lima, Villar, Sandra de Castro, Pires, Silvia Helena

“…The present study is the result of recent research that has been developed in Brazil in cooperation with international research centers. The aim is to analyze…”
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A new ferrous diflunisal complex and its effects on biopools of labile iron by Sihn, Luca Michael, de Melo, Fernando Menegatti, Toma, Henrique Eisi, Serrano, Silvia Helena Pires, Espósito, Breno Pannia

“…[Display omitted] •Diflunisal forms a complex with iron(II).•Iron-diflunisal species have access to HeLa or HepG2 cells.•Increase in labile cell iron may…”
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Desferrioxamine and desferrioxamine-caffeine as carriers of aluminum and gallium to microbes via the Trojan Horse Effect by Huayhuaz, Jesus Antonio Alvarado, Vitorino, Hector Aguilar, Campos, Othon Souto, Serrano, Silvia Helena Pires, Kaneko, Telma Mary, Espósito, Breno Pannia

“…Iron acquisition by bacteria and fungi involves in several cases the promiscuous usage of siderophores. Thus, antibiotic resistance from these microorganisms…”
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Redox Behavior of the Ellagitannin Oenothein B and Ellagic Acid at a Glassy Carbon Electrode by Martins, José Luís Rodrigues, Costa, Elson Alves, Serrano, Silvia Helena Pires, da Costa Santos, Suzana, de Souza Gil, Eric

“…Oenothein B and ellagic acid are polyphenolic compounds, and their oxidation mechanism is pH-dependent, in one step, involving a different number of electrons…”
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KEY RECENT EXPERIENCES IN THE APPLICATION OF SEA IN BRAZIL by SILVA, HELIANA VIELLA OLIVEIRA, PIRES, SILVIA HELENA MENEZES, OBERLING, DANIEL FONTANA, LA ROVERE, EMILIO LÉBRE

“…One of the requirements for a good Strategic Environmental Assessment (SEA) is its capacity to adjust itself to the planned decision-making process. This paper…”
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Mechanism of 3,4-dihydroxybenzaldehyde electropolymerization at carbon paste electrodes: catalytic detection of NADH by Delbem, Maria Flávia, Baader, Wilhelm Josef, Serrano, Sílvia Helena Pires

“…Cyclic voltammetry was used to study 3,4-dihydroxybenzaldehyde (3,4-DHB) electropolymerization processes on carbon paste electrodes. The characteristics of the…”
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Dissociation and electrooxidation of primaquine diphosphate as an approach to the study of anti-chagas prodrugs mechanism of action by La-Scalea, Mauro Aquiles, Man Chin, Chung, Cruz, Maria Luiza, Pires Serrano, Sı́lvia Helena, Ferreira, Elizabeth Igne

“…This paper describes the voltammetric behavior of primaquine as a previous support to the further understanding of the delivery and action mechanisms of its…”
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KEY RECENT EXPERIENCES IN THE APPLICATION OF SEA IN BRAZIL by SILVA, HELIANA VIELLA OLIVEIRA, PIRES, SILVIA HELENA MENEZES, OBERLING, DANIEL FONTANA, ROVERE, EMILIO LÉBRE LA

“…One of the requirements for a good Strategic Environmental Assessment (SEA) is its capacity to adjust itself to the planned decision-making process. This paper…”
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Voltammetric Behavior of Nitrofurazone at Highly Boron Doped Diamond Electrode by Sérgio da Silva Julião, Murilo, Almeida, Érica Cristina, Aquiles La Scalea, Mauro, Ferreira, Neidenêi Gomes, Compton, Richard G., Pires Serrano, Sílvia Helena

“…The electrochemical behavior of nitrofurazone (NFZ) at a highly boron doped diamond (BDD) electrode was studied in Britton‐Robinson (BR) buffer using cyclic…”
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Aspectos mecanísticos da bioatividade e toxicidade de nitrocompostos Aspects of bioactivity and toxicity of nitrocompounds by Fávero Reisdorfer Paulai, Silvia Helena Pires Serrano, Leoberto Costa Tavares

“…Nitrocompounds are bioactive molecules used as antibacterial, antiparasitic and antitumoral agents. In the past of years, these molecules have been broadly…”
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Aspectos mecanísticos da bioatividade e toxicidade de nitrocompostos by Paulai, Fávero Reisdorfer, Serrano, Silvia Helena Pires, Tavares, Leoberto Costa

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Determinação de ácido acéttico em amostra de vinagre adulterada com ácido clorídrico - um experimento integrado de titulação potenciométrica e condutométrica Determination of acetic acid in vinegar adulterated sample with cloridric acid - an experiment integrated of potentiometric and conductometric titrations by José Vinicius Martins, Ana Paula Ruas de Souza, Maiara Oliveira Salles, Silvia Helena Pires Serrano

“…The determination of acetic acid in vinegar adulterated sample using simultaneous potentiometric and condutometric titrations was used as an example of…”
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Determinação de ácido acéttico em amostra de vinagre adulterada com ácido clorídrico - um experimento integrado de titulação potenciométrica e condutométrica by Martins, José Vinicius, Souza, Ana Paula Ruas de, Salles, Maiara Oliveira, Serrano, Silvia Helena Pires

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Voltammetric behavior of nitrofurazone and its hydroxymethyl prodrug with potential anti-Chagas activity by La-Scalea, Mauro Aquiles, Menezes, Carla Maria de Souza, Julião, Murilo Sérgio da Silva, Chung, Man Chin, Serrano, Sílvia Helena Pires, Ferreira, Elizabeth Igne

“…Chagas' disease is a serious health problem for Latin America. The situation is worsened by the lack of efficient chemotherapy. The two available commercial…”
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Filmes de diamante CVD dopado com boro. Parte I . Histórico, produção e caracterização Boron-doped CVD diamond films. Part I. History, production and characterization by Rita de Cássia Mendes de Barros, Mauro Celso Ribeiro, Paulo Teng An-Sumodjo, Murilo Sérgio da Silva Julião, Sílvia Helena Pires Serrano, Neidenêi Gomes Ferreira

“…This review presents a brief account concerning the production, characterization and evolution of the knowledge in the area of diamond and boron-doped diamond…”
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Filmes de diamante CVD dopado com boro. Parte I . Histórico, produção e caracterização by Barros, Rita de Cássia Mendes de, Ribeiro, Mauro Celso, An-Sumodjo, Paulo Teng, Julião, Murilo Sérgio da Silva, Serrano, Sílvia Helena Pires, Ferreira, Neidenêi Gomes

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