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Sergio A.S. Machado

Sergio A.S. Machado

Universidade de São Paulo
Brazil

D-Index & Metrics

Chemistry

D-Index
72
Citations
15590
World Ranking
5373
National Ranking
16

Sergio A.S. Machado 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 Sergio A.S. Machado 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: 358 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Sergio A.S. Machado 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 Sergio A.S. Machado 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: 72 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Sergio A.S. Machado is affiliated with the Universidade de São Paulo in Brazil. Their research is primarily situated within the field of Engineering, with a strong focus on Electrical and Electronic Engineering, Biomedical Engineering, Molecular Biology, Electrochemistry, and Bioengineering.

The main topics covered by Sergio A.S. Machado's work include:

  • Electrochemical sensors and biosensors
  • Advanced biosensing and bioanalysis techniques
  • Electrochemical Analysis and Applications
  • Biosensors and Analytical Detection
  • Analytical Chemistry and Sensors
  • Conducting polymers and applications
  • Advanced Nanomaterials in Catalysis

Their publication record includes contributions to key scientific journals such as:

  • Electrochimica Acta
  • Chemical Engineering Journal
  • Biosensors and Bioelectronics
  • ACS Applied Materials & Interfaces
  • Microchimica Acta

Some of the recent papers authored or co-authored by Sergio A.S. Machado are:

  • "Selective and sensitive multiplexed detection of pesticides in food samples using wearable, flexible glove-embedded non-enzymatic sensors" (2020) published in Chemical Engineering Journal
  • "Biomimetic electrochemical sensors: New horizons and challenges in biosensing applications" (2021) published in Biosensors and Bioelectronics
  • "Wearable sensors made with solution-blow spinning poly(lactic acid) for non-enzymatic pesticide detection in agriculture and food safety" (2021) published in Biosensors and Bioelectronics
  • "Bacterial cellulose-based electrochemical sensing platform: A smart material for miniaturized biosensors" (2020) published in Electrochimica Acta
  • "Wearable glove-embedded sensors for therapeutic drug monitoring in sweat for personalized medicine" (2022) published in Chemical Engineering Journal

Frequent co-authors associated with their research include:

  • Osvaldo N. Oliveira
  • Nathalia O. Gomes
  • Paulo A. Raymundo-Pereira
  • Thiago S. Martins
  • Marcelo L. Calegaro

Best Publications

  • Mitochondrial distribution and adenosine triphosphate content of bovine oocytes before and after in vitro maturation: correlation with morphological criteria and developmental capacity after in vitro fertilization and culture.

    Miodrag Stojkovic;Sergio A. Machado;Petra Stojkovic;Valeri Zakhartchenko

  • Voltametria de onda quadrada. Primeira parte: aspectos teóricos

    Djenaine de Souza;Sergio A. S. Machado;Luis A. Avaca

  • Enhanced electrochemical response of boron-doped diamond electrodes brought on by a cathodic surface pre-treatment

    Hugo B. Suffredini;Valber A. Pedrosa;Lúcia Codognoto;Sérgio A.S. Machado

  • Electrochemical detection of carbamate pesticides in fruit and vegetables with a biosensor based on acetylcholinesterase immobilised on a composite of polyaniline-carbon nanotubes

    Ivana Cesarino;Fernando C. Moraes;Marcos R.V. Lanza;Sergio A.S. Machado

  • The hydrogen evolution reaction on nickel surfaces stabilized by H-absorption

    S.A.S. Machado;L.A. Avaca

  • Characterisation of surfaces modified by sol-gel derived RuxIr1−xO2 coatings for oxygen evolution in acid medium

    F.I Mattos-Costa;P de Lima-Neto;S.A.S Machado;L.A Avaca

  • Study of thioureas derivatives synthesized from a green route as corrosion inhibitors for mild steel in HCl solution

    V.V. Torres;V.A. Rayol;M. Magalhães;G.M. Viana

  • Oxidation of the pesticide atrazine at DSA electrodes

    Geoffroy Roger Pointer Malpass;Douglas W Miwa;S A S Machado;Paulo Olivi

  • Influence of the preparation method on the morphological and electrochemical properties of Ti/IrO2-coated electrodes

    A de Oliveira-Sousa;M.A.S da Silva;S.A.S Machado;L.A Avaca

  • Recent developments in electrode materials for water electrolysis

    H.B Suffredini;J.L Cerne;F.C Crnkovic;S.A.S Machado

  • Decolorisation of real textile waste using electrochemical techniques: effect of the chloride concentration.

    G.R.P. Malpass;D.W. Miwa;D.A. Mortari;S.A.S. Machado

  • Study of anion adsorption on polycrystalline Pt by electrochemical quartz crystal microbalance

    M.C Santos;D.W Miwa;S.A.S Machado

  • Wearable sensors made with solution-blow spinning poly(lactic acid) for non-enzymatic pesticide detection in agriculture and food safety.

    Unknown

  • Study of hydrogen evolution reaction in acid medium on Pt microelectrodes

    M. C. Tavares;Sergio Antonio Spinola Machado;Luiz Henrique Mazo

  • Utilização de técnicas eletroanalíticas na determinação de pesticidas em alimentos

    Andressa Galli;Djenaine De Souza;Gustavo S. Garbellini;Cláudia F. B. Coutinho

  • Active surface area determination of Pd-Si alloys by H-adsorption

    A N Correia;L H Mascaro;S A S Machado;Luís Alberto Avaca

  • Direct electrochemical determination of carbaryl using a multi-walled carbon nanotube/cobalt phthalocyanine modified electrode.

    Fernando C. Moraes;Lucia H. Mascaro;Sergio A.S. Machado;Christopher M.A. Brett

  • Sensitive determination of carbendazim in orange juice by electrode modified with hybrid material.

    Claudia A. Razzino;Lívia F. Sgobbi;Thiago C. Canevari;Juliana Cancino

  • Voltametria de onda quadrada. Segunda parte: aplicações

    Djenaine de Souza;Lúcia Codognoto;Andréa R. Malagutti;Renata A. Toledo

  • PESTICIDAS: MECANISMO DE AÇÃO, DEGRADAÇÃO E TOXIDEZ

    Cláudia F. B. Coutinho;Sonia T. Tanimoto;Andressa Galli;Gustavo S. Garbellini

  • Electrochemical degradation of carbaryl on oxide electrodes.

    Douglas Waychi Miwa;Geoffroy Roger Pointer Malpass;Sergio Antonio Spinola Machado;Artur de Jesus Motheo

  • Selective and sensitive multiplexed detection of pesticides in food samples using wearable, flexible glove-embedded non-enzymatic sensors

    Paulo A. Raymundo-Pereira;Nathalia O. Gomes;Flávio M. Shimizu;Sergio A.S. Machado

  • Electrodeposition and characterisation of thin layers of NiCo alloys obtained from dilute chloride baths

    A.N Correia;S.A.S Machado

Frequent Co-Authors

Luis A. Avaca
Luis A. Avaca Universidade de São Paulo
Antonio Egidio Nardi
Antonio Egidio Nardi Federal University of Rio de Janeiro
Oscar Arias-Carrión
Oscar Arias-Carrión Instituto Nacional de Rehabilitación
Artur de Jesus Motheo
Artur de Jesus Motheo Universidade de São Paulo
Osvaldo N. Oliveira
Osvaldo N. Oliveira Universidade de São Paulo
Ti-Fei Yuan
Ti-Fei Yuan Shanghai Jiao Tong University
Mauro Giovanni Carta
Mauro Giovanni Carta University of Cagliari
Claudio Imperatori
Claudio Imperatori European University of Rome
Marcos R. V. Lanza
Marcos R. V. Lanza Universidade de São Paulo
Valtencir Zucolotto
Valtencir Zucolotto Universidade de São Paulo

External Links

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Best Scientists Citing Sergio A.S. Machado

Orlando Fatibello-Filho

Orlando Fatibello-Filho

Federal University of São Carlos

Publications: 75

Romeu C. Rocha-Filho

Romeu C. Rocha-Filho

Federal University of São Carlos

Publications: 40

Carlos A. Martínez-Huitle

Carlos A. Martínez-Huitle

Federal University of Rio Grande do Norte

Publications: 37

Osvaldo N. Oliveira

Osvaldo N. Oliveira

Universidade de São Paulo

Publications: 36

Shen-Ming Chen

Shen-Ming Chen

National Taipei University of Technology

Publications: 35

Rajendra N. Goyal

Rajendra N. Goyal

Indian Institute of Technology Roorkee

Publications: 34

Rodrigo A.A. Munoz

Rodrigo A.A. Munoz

Federal University of Uberlândia

Publications: 27

Bruno C. Janegitz

Bruno C. Janegitz

Federal University of São Carlos

Publications: 26

Artur de Jesus Motheo

Artur de Jesus Motheo

Universidade de São Paulo

Publications: 26

Manuel A. Rodrigo

Manuel A. Rodrigo

University of Castilla-La Mancha

Publications: 25

Marcos R. V. Lanza

Marcos R. V. Lanza

Universidade de São Paulo

Publications: 24

Eduardo M. Richter

Eduardo M. Richter

Federal University of Uberlândia

Publications: 20

Fabiana Arduini

Fabiana Arduini

University of Rome Tor Vergata

Publications: 20

Ernesto C. Pereira

Ernesto C. Pereira

Federal University of São Carlos

Publications: 18

Danila Moscone

Danila Moscone

University of Rome Tor Vergata

Publications: 16

Craig E. Banks

Craig E. Banks

Manchester Metropolitan University

Publications: 15

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