World's Best Scientists 2026 revealed!
Ana Maria Oliveira-Brett

Ana Maria Oliveira-Brett

D-Index & Metrics

Chemistry

D-Index
59
Citations
11978
World Ranking
10170
National Ranking
85

Ana Maria Oliveira-Brett publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Ana Maria Oliveira-Brett sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 271 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Ana Maria Oliveira-Brett D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Ana Maria Oliveira-Brett sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 59 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Ana Maria Oliveira-Brett is affiliated with the University of Coimbra in Portugal and has contributed extensively to research in the fields of Biochemistry, Genetics and Molecular Biology, as well as Chemistry. Their work spans various subfields including Electrochemistry, Molecular Biology, Electrical and Electronic Engineering, Plant Science, and Organic Chemistry.

The scientist's research focuses primarily on electrochemical analysis and applications, with significant interest in electrochemical sensors and biosensors. Other prominent topics include advanced biosensing and bioanalysis techniques, Alzheimer's disease research and treatments, dyeing and modifying textile fibers, free radicals and antioxidants, and phytochemicals and antioxidant activities.

Frequent coauthors in their work include Ana-Maria Chiorcea-Paquim, João Carlos de Souza, Wesley B. S. Machini, María Valnice Boldrin Zanoni, and Christopher M. A. Brett.

The following list summarizes some of their recent academic papers with publication years and venues:

  • Natural phenolic antioxidants electrochemistry: Towards a new food science methodology, 2020, Comprehensive Reviews in Food Science and Food Safety
  • Electrochemistry of chemotherapeutic alkylating agents and their interaction with DNA, 2022, Journal of Pharmaceutical and Biomedical Analysis
  • DNA Electrochemical Biosensors for In Situ Probing of Pharmaceutical Drug Oxidative DNA Damage, 2021, Sensors
  • Nanostructured material-based electrochemical sensing of oxidative DNA damage biomarkers 8-oxoguanine and 8-oxodeoxyguanosine: a comprehensive review, 2021, Microchimica Acta
  • Amyloid beta peptides electrochemistry: A review, 2021, Current Opinion in Electrochemistry

The most frequent publication venues for their studies include:

  • Journal of Solid State Electrochemistry
  • Comprehensive Reviews in Food Science and Food Safety
  • Journal of Pharmaceutical and Biomedical Analysis
  • Sensors
  • Microchimica Acta

Best Publications

  • Phenol And Para-Substituted Phenols Electrochemical Oxidation Pathways

    Teodor Adrian Enache;Ana Maria Oliveira-Brett

  • Voltammetric determination of all DNA nucleotides.

    A.M. Oliveira-Brett;J.A.P. Piedade;L.A. Silva;V.C. Diculescu

  • Catechin electrochemical oxidation mechanisms

    Unknown

  • Electrochemical nucleic acid-based biosensors: Concepts, terms, and methodology (IUPAC Technical Report)

    Jan Labuda;Ana Maria Oliveira Brett;Gennady Evtugyn;Miroslav Fojta

  • Electrochemical Oxidation of Quercetin

    Unknown

  • Adsorption of Guanine, Guanosine, and Adenine at Electrodes Studied by Differential Pulse Voltammetry and Electrochemical Impedance

    Ana Maria Oliveira-Brett;Luís Antônio da Silva;Christopher M. A. Brett

  • Natural phenolic antioxidants electrochemistry: Towards a new food science methodology

    Ana-Maria Chiorcea-Paquim;Teodor Adrian Enache;Eric De Souza Gil;Eric De Souza Gil;Ana Maria Oliveira-Brett

  • Hydroxyl radicals electrochemically generated in situ on a boron-doped diamond electrode

    Teodor Adrian Enache;Ana-Maria Chiorcea-Paquim;Orlando Fatibello-Filho;Ana Maria Oliveira-Brett

  • Applications of a DNA-electrochemical biosensor

    Victor Constantin Diculescu;Ana-Maria Chiorcea-Paquim;Ana Maria Oliveira-Brett

  • Electrochemical oxidation mechanism of guanine and adenine using a glassy carbon microelectrode

    A.M Oliveira-Brett;V Diculescu;J.A.P Piedade

  • Electrochemical detection of in situ adriamycin oxidative damage to DNA.

    A.M Oliveira-Brett;M Vivan;I.R Fernandes;J.A.P Piedade

  • Ultrasound extracted flavonoids from four varieties of Portuguese red grape skins determined by reverse-phase high-performance liquid chromatography with electrochemical detection

    Ivana Novak;Patricia Janeiro;Marijan Seruga;Ana Maria Oliveira-Brett

  • On the adsorption and electrochemical oxidation of DNA at glassy carbon electrodes

    Christopher M.A. Brett;Ana Maria Oliveira Brett;Silvia H.P. Serrano

  • Boron doped diamond and glassy carbon electrodes comparative study of the oxidation behaviour of cysteine and methionine.

    T.A. Enache;A.M. Oliveira-Brett

  • Electrochemical Oxidation of Rutin

    Unknown

  • Electrochemical Oxidation of 8-Oxoguanine

    Unknown

  • In situ evaluation of heavy metal-DNA interactions using an electrochemical DNA biosensor.

    S.C.B. Oliveira;O. Corduneanu;A.M. Oliveira-Brett

  • Electrochemical DNA Sensors for Detection of DNA Damage

    Unknown

  • Studies on Self-Assembled Alkanethiol Monolayers Formed at Applied Potential on Polycrystalline Gold Electrodes

    Christopher M. A. Brett;Slavoj Kresak;Slavoj Kresak;Tibor Hianik;Ana Maria Oliveira Brett

  • Pathways of Electrochemical Oxidation of Indolic Compounds

    Teodor Adrian Enache;Ana Maria Oliveira-Brett

  • Ultrasound-Enhanced Anodic Stripping Voltammetry Using Perfluorosulfonated Ionomer-Coated Mercury Thin-Film Electrodes

    Frank-Michael Matysik;Silke Matysik;and Ana Maria Oliveira Brett;Christopher M. A. Brett

  • Electrochemical oxidation of amphetamine-like drugs and application to electroanalysis of ecstasy in human serum.

    E.M.P.J. Garrido;J.M.P.J. Garrido;N. Milhazes;F. Borges

  • Electrochemical study of quercetin-DNA interactions: part II. In situ sensing with DNA biosensors.

    Ana Maria Oliveira-Brett;Victor C Diculescu

  • Voltammetric Oxidation of Drugs of Abuse I. Morphine and Metabolites

    Jorge Garrido;Cristina Delerue-Matos;F. Borges;Tice R. A. Macedo

  • Voltammetric and electrochemical impedance spectroscopy characterization of a cathodic and anodic pre-treated boron doped diamond electrode

    S. Carlos B. Oliveira;Ana Maria Oliveira-Brett

Frequent Co-Authors

Fernanda Borges
Fernanda Borges University of Porto
Christopher M.A. Brett
Christopher M.A. Brett University of Coimbra
Ramon Eritja
Ramon Eritja Spanish National Research Council
Cristina Delerue-Matos
Cristina Delerue-Matos Instituto Superior de Engenharia do Porto
Afzal Shah
Afzal Shah Quaid-i-Azam University
Orlando Fatibello-Filho
Orlando Fatibello-Filho Federal University of São Carlos
Stephen Neidle
Stephen Neidle University College London
Mário César Ugulino de Araújo
Mário César Ugulino de Araújo Federal University of Paraíba
Paulo J. Oliveira
Paulo J. Oliveira University of Coimbra
Jitka Ulrichová
Jitka Ulrichová Palacký University, Olomouc

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