Search Results - "Antunes, Leandro"

A multi-purpose tool for food inspection: Simultaneous determination of various classes of preservatives and biogenic amines in meat and fish products by LC-MS by Molognoni, Luciano, Daguer, Heitor, de Sá Ploêncio, Leandro Antunes, De Dea Lindner, Juliano

“…This paper describes an innovative fast and multipurpose method for the chemical inspection of meat and fish products by liquid chromatography-tandem mass…”
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Simultaneous analysis of spectinomycin, halquinol, zilpaterol, and melamine in feedingstuffs by ion-pair liquid chromatography–tandem mass spectrometry by Molognoni, Luciano, de Souza, Naielly Coelho, de Sá Ploêncio, Leandro Antunes, Micke, Gustavo Amadeu, Daguer, Heitor

“…•An ion-pair LC–MS/MS method for polar vet drug residues was proposed.•Different LC approaches were assessed.•Method validation was in accordance to Commission…”
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Surjective isometries on Banach sequence spaces: A survey by Antunes, Leandro, Beanland, Kevin

“…In this survey, we present several results related to characterizing the surjective isometries on Banach sequence spaces. Our survey includes full proofs of…”
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A fast and simple LC-ESI-MS/MS method for detecting pyrrolizidine alkaloids in honey with full validation and measurement uncertainty by Valese, Andressa Camargo, Molognoni, Luciano, de Sá Ploêncio, Leandro Antunes, de Lima, Flávia Gontijo, Gonzaga, Luciano Valdemiro, Górniak, Silvana Lima, Daguer, Heitor, Barreto, Fabiano, Oliveira Costa, Ana Carolina

“…A fast and simple method was developed to determine pyrrolizidine alkaloids (PAs) in honey using liquid chromatography tandem mass spectrometry (LC- MS/MS)…”
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Development, validation and different approaches for the measurement uncertainty of a multi-class veterinary drugs residues LC–MS method for feeds by Valese, Andressa Camargo, Molognoni, Luciano, de Souza, Naielly Coelho, de Sá Ploêncio, Leandro Antunes, Costa, Ana Carolina Oliveira, Barreto, Fabiano, Daguer, Heitor

“…•The simultaneous residue analysis of 62 drugs was performed after a single extraction.•Chromatographic separation for all analytes was achieved in only…”
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A simple and fast method for the inspection of preservatives in cheeses and cream by liquid chromatography- electrospray tandem mass spectrometry by Molognoni, Luciano, de Sá Ploêncio, Leandro Antunes, Valese, Andressa Camargo, De Dea Lindner, Juliano, Daguer, Heitor

“…In this work, a simplified extraction and short time of analysis method for the simultaneous determination of natamycin, nisin and sorbic acid in cheeses and…”
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Development of a new analytical tool for assessing the mutagen 2-methyl-1,4-dinitro-pyrrole in meat products by LC-ESI-MS/MS by Molognoni, Luciano, Daguer, Heitor, de Sá Ploêncio, Leandro Antunes, Yotsuyanagi, Suzana Eri, da Silva Correa Lemos, Ana Lucia, Joussef, Antonio Carlos, De Dea Lindner, Juliano

“…The use of sorbate and nitrite in meat processing may lead to the formation of 2-methyl-1,4-dinitro-pyrrole (DNMP), a mutagenic compound. This work was aimed…”
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FT-NIR combined with chemometrics versus classic chemical methods as accredited analytical support for decision-making: Application to chemical compositional compliance of feedingstuffs by Molognoni, Luciano, de Sá Ploêncio, Leandro Antunes, Deolindo, Carolina Turnes Pasini, de Oliveira, Luan Valdemiro Alves, Hoff, Rodrigo Barcellos, Daguer, Heitor

“…•Classic chemical methods and FT-NIR were compared in terms of errors.•Multivariate models considered 46,232 near infrared spectra.•Feedingstuffs compliance…”
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Methodological proposal for evaluation of adhesion of root canal sealers to gutta‐percha by De‐Deus, Gustavo, Oliveira, Diogo S., Cavalcante, Daniele M., Simões‐Carvalho, Marco, Belladonna, Felipe G., Antunes, Leandro S., Souza, Erick M., Silva, Emmanuel J. N. L., Versiani, Marco A.

“…Aim To compare the bond strength of an epoxy resin‐based sealer and two calcium silicate‐based sealers (CSS) to gutta‐percha discs using a new method…”
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The role of measurement uncertainty in the conformity assessment of the chemical composition of feeds by Molognoni, Luciano, de Sá Ploêncio, Leandro Antunes, Machado, Antonio Marcelo Lemos, Daguer, Heitor

“…Official feed inspection has been directly related to the dispersion of the measures achieved by control laboratories, which can be due to several analytical…”
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Antitumor potential of lipid nanoformulations with natural antioxidants by Mendes, Leandro Antunes, Farnesi-de-Assunção, Thaís Soares, Oliveira, Pablo Araujo, Rotta, Isabela Sguilla, Moreto, Jéferson Aparecido, Devienne, Karina Ferrazzoli, Paiva, Aline Dias, Slade, Natália Bueno Leite

“…Quercetin (QUE), tannic acid (TA) and ascorbic acid (AA) are among the antioxidants that have demonstrated efficacy in the treatment and prevention of cancer,…”
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Different Approaches for Digestion, Performance Assessment and Measurement Uncertainty for the Analysis of Cadmium and Lead in Feeds by Molognoni, Luciano, Zarpelon, Jaqueline, de Sá Ploêncio, Leandro Antunes, Santos, Jacson Nascimento dos, Daguer, Heitor

“…Certain feedingstuffs are sources of contamination for animals with cadmium (Cd) and lead (Pb). Different approaches for sample digestion, performance…”
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Reflexões sobre a formação continuada de professoras/es e suas interfaces com a educação sexual no cotidiano da educação infantil by Antunes, Leandro, Melo, Sonia Maria Martins de

“…Este artigo tem em vista refletir sobre a categoria formação continuada de professoras/es a partir dos pressupostos da categoria educação emancipatória numa…”
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New trends for controlled-release of TBH herbicide in the field by using a biodegradable polymer fashion by Mendes, Leandro Antunes, Marques, Renata Pereira, da Silva, Simone Aparecida, Slade, Natalia Bueno, Schwarz, Kelin, Moreto, Jeferson Aparecido

“…The herbicide Tebuthiuron (TBH) is widely used to weed control in sugar cane and cotton crops. However, TBH when applied to the soil is prone to the leaching…”
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Replication of an ivg protocol to estimate bioaccessible arsenic in materials from a gold mining area in Brazil by Ono, Fábio Benedito, Guilherme, Luiz Roberto Guimarães, Mendes, Leandro Antunes, Carvalho, Geila Santos

“…Tests for bioaccessibility are useful in human health risk assessment. No research data with the objective of determining bioaccessible arsenic (As) in areas…”
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Carry-over and contamination of veterinary drugs in feed production lines for poultry and pigs by Barbosa Da Silva, André, Back, Marcos, Daguer, Heitor, Palmeira, Maila, Antunes De Sá Ploêncio, Leandro, Molognoni, Luciano, Peripolli, Vanessa, Bianchi, Ivan

“…The current model of pigs and poultry production has increased stocking density and reduced downtime between lots. This scenario may favour a rise of infection…”
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Light groups of isomorphisms of Banach spaces and invariant LUR renormings by Antunes, Leandro, Ferenczi, Valentin, Grivaux, Sophie, Rosendal, Christian

“…Megrelishvili defines in [17] light groups of isomorphisms of a Banach space as the groups on which the Weak and Strong Operator Topologies coincide, and…”
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Corrigendum to “Development of a new analytical tool for assessing the mutagen 2-methyl-1,4-dinitro-pyrrole in meat products by LC-ESI-MS/MS” [Talanta 185 (2018) 151–159] by Molognoni, Luciano, Daguer, Heitor, de Sá Ploêncio, Leandro Antunes, Yotsuyanagi, Suzana Eri, da Silva Correa Lemos, Ana Lucia, Joussef, Antonio Carlos, De Dea Lindner, Juliano

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Disease of paget vulvar case report by De Freitas Rosa De Mello, Fernanda Paula, Antunes, Leandro Moreira, Matias, Rannyere Sampaio, De Mello, Cézar Augusto, Da Conceição Ribeiro Simões, Maria, Feliciano, Jacksone Pena, Forte, Rodolfo Luís

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Charge and rigidity effects on the encapsulation of quercetin by multilamellar vesicles by Custódio, Luciana, Mendes, Leandro Antunes, Alvares, Dayane S, Moreto, Jéferson Aparecido, Slade, Natália Bueno Leite

“…Although quercetin has a wide range of applications due to its biological properties, its activity may be affected due to its low solubility and its potential…”
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