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Chemistry

D-Index
62
Citations
14412
World Ranking
8783
National Ranking
52

Overview

Joaquim A. Nóbrega is affiliated with the Federal University of São Carlos in Brazil. Their research primarily focuses on the field of Chemistry, with a significant body of work within Analytical Chemistry. Other subfields of study include Materials Chemistry, Organic Chemistry, Electrochemistry, and Food Science.

The scientist's work spans various main research topics, notably analytical chemistry methods development and electrochemical analysis and applications. Additional topics of interest encompass pesticide residue analysis and safety, crystallization and solubility studies, X-ray diffraction in crystallography, heavy metals in the environment, and mass spectrometry techniques and applications.

Joaquim A. Nóbrega has published extensively, with recent papers appearing between 2020 and 2022. Some of the recent publications include:

  • Dispersive liquid-liquid microextraction based on deep eutectic solvent for elemental impurities determination in oral and parenteral drugs by inductively coupled plasma optical emission spectrometry (2021, Analytica Chimica Acta)
  • Calculating limits of detection and defining working ranges for multi-signal calibration methods (2020, Journal of Analytical Atomic Spectrometry)
  • Ruthenium(II) Phosphine/Mercapto Complexes: Their in Vitro Cytotoxicity Evaluation and Actions as Inhibitors of Topoisomerase and Proteasome Acting as Possible Triggers of Cell Death Induction (2020, Inorganic Chemistry)
  • Is MIP-OES a suitable alternative to ICP-OES for trace element analysis? (2022, Journal of Analytical Atomic Spectrometry)
  • Effects of multiwalled carbon nanotubes co-exposure with cadmium on zebrafish cell line: Metal uptake and accumulation, oxidative stress, genotoxicity and cell cycle (2020, Ecotoxicology and Environmental Safety)

The frequent coauthors in Joaquim A. Nóbrega's publications include Legna Colina-Vegas, Alzir A. Batista, Fernanda C. Pinheiro, E.E. Castellano, and Ariane Isis Barros.

Nóbrega's research has appeared in several publication venues, with repeated contributions to The Cambridge Structural Database, Journal of Analytical Atomic Spectrometry, Microchemical Journal, Journal of the Brazilian Chemical Society, and Advances in Sample Preparation.

Best Publications

  • Equilibrium studies for the sorption of chromium and nickel from aqueous solutions using raw rice bran

    E.A. Oliveira;S.F. Montanher;A.D. Andrade;J.A. Nóbrega

  • Determination of lead in blood by tungsten coil electrothermal atomic absorption spectrometry

    Francisco J. Krug;Márcia M. Silva;Pedro V. Oliveira;Joaquim A. Nóbrega

  • Determination of ytterbium in animal faeces by tungsten coil electrothermal atomic absorption spectrometry

    Éder C. Lima;Francisco J. Krug;Joaquim A. Nóbrega;Ana Rita A. Nogueira

  • Determination of cadmium in biological materials by tungsten coil atomic absorption spectrometry

    Maria F. Giné;Francisco J. Krug;Vânia A. Sass;Boaventura F. Reis

  • Chemical modifiers in a tungsten coil electrothermal atomizer.

    Carlos G. Bruhn;José Y. Neira;Gonzalo D. Valenzuela;Joaquim A. Nóbrega

  • Atomization of Al in a tungsten coil electrothermal atomic absorption spectrophotometer.

    Pedro O. Luccas;Joaquim A. Nóbrega;Pedro V. Oliveira;Francisco J. Krug

  • Determination of dysprosium and europium in sheep faeces by graphite furnace and tungsten coil electrothermal atomic absorption spectrometry

    Júlio C.J Silva;Edivaldo E Garcia;Ana Rita A Nogueira;Joaquim A Nóbrega

  • Determination of Cobalt in Animal Feces by Tungsten Coil Atomic Absorption Spectrophotometry

    Gisele S. Lopes;Ana Rita A. Nogueira;Pedro V. Oliveira;Joaquim A. Nóbrega

  • Influence of Na, K, Ca and Mg on lead atomization by tungsten coil atomic absorption spectrometry

    Pedro V. de Oliveira;Francisco J. Krug;Marcia Messias da Silva;Joaquim de Araújo Nóbrega

  • Espectrometria Atômica com Atomização Eletrotérmica em Superfícies Metálicas

    Joaquim de A. Nóbrega;Márcia M. Silva;Pedro V. de Oliveira;Francisco J. Krug e Nivaldo Baccan

  • Determination of cadmium in hair and blood by tungsten coil electrothermal atomic absorption spectrometry with chemical modifiers.

    Carlos G Bruhn;José Y Neira;Gonzalo D Valenzuela;Joaquim A Nóbrega

  • Determination of cadmium and lead in mussels by tungsten coil electrothermal atomic absorption spectrometry.

    C.G. Bruhn;N.A. San Francisco;J.Y. Neira;J.A. Nóbrega

  • Avaliacão de programas de aquecimento para espectrometria de absorção atômica com atomizacão eletrotérmica em filamento de tungstênio

    Pedro V. Oliveira;Marciana Catanho;Joaquim A. Nóbrega;Pedro O. Luccas

  • Study of chemical modifiers for the determination of chromium in biological materials by tungsten coil electrothermal atomic absorption spectrometry

    C. G. Bruhn;J. Y. Neira;M. I. Guzmán;M. M. Darder

  • Thermogravimetric investigations on the mechanism of decomposition of Pb compounds on a tungsten surface

    Daniele M Santos;Pedro O Luccas;Joaquim A Nóbrega;Éder T.G Cavalheiro

  • Effect of acid concentration on closed-vessel microwave-assisted digestion of plant materials

    Geórgia C.L Araújo;Geórgia C.L Araújo;Mário H Gonzalez;Mário H Gonzalez;Antônio G Ferreira;Ana Rita A Nogueira

  • Sample preparation in alkaline media

    Joaquim A. Nóbrega;Mirian C. Santos;Rafael A. de Sousa;Solange Cadore

  • Determination of residual carbon by inductively-coupled plasma optical emission spectrometry with axial and radial view configurations

    Sandro T Gouveia;Fernando V Silva;Fernando V Silva;Letı́cia M Costa;Ana Rita A Nogueira

  • Flow analysis strategies to greener analytical chemistry. An overview

    Fábio R. P. Rocha;Joaquim A. Nóbrega;Orlando Fatibello Filho

  • Comparison of heating extraction procedures for Al, Ca, Mg, and Mn in tea samples.

    Letícia M. Costa;Sandro T. Gouveia;Joaquim A. Nóbrega

Frequent Co-Authors

Francisco José Krug
Francisco José Krug Universidade de São Paulo
Orlando Fatibello-Filho
Orlando Fatibello-Filho Federal University of São Carlos
Erico M.M. Flores
Erico M.M. Flores Universidade Federal de Santa Maria
Sergio Luis Costa Ferreira
Sergio Luis Costa Ferreira Federal University of Bahia
Márcia M. C. Ferreira
Márcia M. C. Ferreira State University of Campinas
Antonio Canals
Antonio Canals University of Alicante
Boaventura F. Reis
Boaventura F. Reis Universidade de São Paulo
Ramon M. Barnes
Ramon M. Barnes University of Massachusetts Amherst
Marco Aurélio Zezzi Arruda
Marco Aurélio Zezzi Arruda State University of Campinas
Eder C. Lima
Eder C. Lima Federal University of Rio Grande do Sul

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