Helvécio Menezes

All papers authored by Helvécio Menezes

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2021 Vitor Vaz de Melo Antipoff, Rosimeire Resende dos Santos, Daniella Vasconcellos Augusti, Zenilda de Lourdes Cardeal, Helvécio Costa Menezes

Determination of Polycyclic Aromatic Hydrocarbons in Eggs Exposed to Fire Using a Simple and Efficient Method

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2020 Eduard F. Valenzuela, Fabiano G. F. de Paula, Ana Paula C. Teixeira

, Helvécio C. Menezes

, Zenilda L. Cardeal

A new carbon nanomaterial solid-phase microextraction to pre-concentrate and extract pesticides in environmental water

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José Messias Gomes, Tatiana Fernandes Araujo Almeida, Tarcília Aparecida da Silva, Zenilda de Lourdes Cardeal, Helvécio Costa Menezes

Saliva biomonitoring using LPME-GC/MS method to assess dentistry exposure to plasticizers

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Rosimeire Resende dos Santos, Zenilda de Lourdes Cardeal, Helvécio Costa Menezes

Phase distribution of polycyclic aromatic hydrocarbons and their oxygenated and nitrated derivatives in the ambient air of a Brazilian urban area☆

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Eduard F. Valenzuela, Helvécio C. Menezes

, Zenilda L. Cardeal

Passive and grab sampling methods to assess pesticide residues in water. A review

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Fabiano Gomes Ferreira de Paula, Rafael César Gonçalves Pereira, Breno Frederico Pereira Paulo, José Domingos Ardisson, Zenilda de Lourdes Cardeal

, Helvécio Costa Menezes

, Ana Paula de Carvalho Teixeira

, Rochel Montero Lago

A new pyrolytic process with potential to convert free fatty acids into long chain nitriles and H2 intermediated by Fe nitrate

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2019 Alejandro G. Haro, Helvécio C. Menezes

, Tatiana A. Ribeiro-Santos, Ana E. Burgos Castellanos, Zenilda L. Cardeal

Improved method for quantification of persistent organic pollutants and its remediation using modified clays materials

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Eduard F. Valenzuela, Helvécio C. Menezes

, Zenilda L. Cardeal

New passive sampling device for effective monitoring of pesticides in water

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This paper is made freely available by the publisher.

Vânia A. M. Goulart, Marcelo M. Sena, Thiago O. Mendes

, Helvécio C. Menezes

, Zenilda L. Cardeal

, Maria J. N. Paiva, Valéria C. Sandrim, Mauro C. X. Pinto

, Rodrigo R. Resende

Amino Acid Biosignature in Plasma among Ischemic Stroke Subtypes

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Eliane do Nascimento, Helvécio Menezes

, Rodrigo Resende, Vânia Goulart, Zenilda Cardeal

Determination of Amino Acids in Plasma Samples of Preeclampsia Patients by Liquid Chromatography Coupled to High-Resolution Mass Spectrometry

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Rosimeire Resende dos Santos, Lívia Dias Vidotti Leal, Zenilda de Lourdes Cardeal

, Helvécio Costa Menezes

Determination of polycyclic aromatic hydrocarbons and their nitrated and oxygenated derivatives in coffee brews using an efficient cold fiber-solid phase microextraction and gas chromatography mass spectrometry method

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2018 André A. M. Gomes, Danilo B. Pinho

, Zenilda De L. Cardeal, Helvécio C. Menezes

, Marisa V. De Queiroz, Olinto L. Pereira

Simplicillium coffeanum, a new endophytic species from Brazilian coffee plants, emitting antimicrobial volatiles

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2017 Rosimeire Resende dos Santos, Maria José Nunes Paiva, Júlio César Veloso, Philippe Serp, Zenilda de Lourdes Cardeal, Helvécio Costa Menezes

Efficient extraction method using magnetic carbon nanotubes to analyze cocaine and benzoylecgonine in breast milk by GC/MS

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Frederico Hayala Fernandes Barbosa, Helvécio Costa Menezes

, Ana Paula de Carvalho Teixeira

, Philippe Serp

, Vitor Antipoff, Zenilda de Lourdes Cardeal

, Z. L.; Cardeal Z de L.; De Lourdes Z C. Cardeal

Versatile magnetic carbon nanotubes for sampling and pre concentration of pesticides in environmental water

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Damiana Freire Dias Macedo, Helvécio Costa Menezes

, Alberto Avelar Barreto, Leiliane Coelho André, Zenilda de Lourdes Cardeal

Improved Method to Assess Polycyclic Aromatic Hydrocarbons in Atmospheric Gas Particles in Belo Horizonte, Brazil

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2016 Helvécio C. Menezes

, Breno P. Paulo, Maria José N. Paiva, Zenilda L.; Cardeal Z. de L.; De Lourdes Z. C. Cardeal

A Simple and Quick Method for the Determination of Pesticides in Environmental Water by HF-LPME-GC/MS

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2015 Maria José Nunes de Paiva, Helvécio Costa Menezes

, Júlio César Cardoso da Silva, Júlio César Cardoso da Silva, Rodrigo Ribeiro Resende, Zenilda de Lourdes Cardeal, Zenilda de Lourdes Cardeal

New method for the determination of bile acids in human plasma by liquid-phase microextraction using liquid chromatography-ion-trap-time-of-flight mass spectrometry

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Helvécio Costa Menezes

, Stella Maris Resende de Barcelos, Damiana Freire Dias Macedo, Aluir Dias Purceno, Bruno Fernades Machado

, Ana Paula Carvalho Teixeira

, Rochel Monteiro Lago, Philippe Serp

, Zenilda Lourdes Cardeal

Magnetic N-Doped Carbon Nanotubes: a Versatile and Efficient Material for the Determination of Polycyclic Aromatic Hydrocarbons in Environmental Water Samples

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Aluir D. Purceno, Bruno F. Machado

, Ana Paula C. Teixeira

, Tayline V. Medeiros, Anas Benyounes, Julien Beausoleil, Helvecio C. Menezes

, Zenilda L. Cardeal

, Rochel M. Lago, Philippe Serp

Magnetic amphiphilic hybrid carbon nanotubes containing N-doped and undoped sections: powerful tensioactive nanostructures

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Helvécio C. Menezes

, Breno Pereira Paulo, Maria José Nunes Paiva, Stella Maris Resende de Barcelos, Damiana Freire Dias Macedo, Zenilda L. Cardeal

Determination of polycyclic aromatic hydrocarbons in artisanal cachaça by DI-CF-SPME–GC/MS

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All papers authored by Helvécio Menezes