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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 64 8039 7291 41 38 479 14687
Biology and Biochemistry 65 9162 8453 33 33 484 14839

Igor Polikarpov publications per year

The chart shows the history of publications by Igor Polikarpov between 1977 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Igor Polikarpov published across 50 years, from 1977 to 2026, averaging 11.4 papers a year. Output peaked at 31 publications in 2008. 13 of the 570 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1977 to 2026. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2008. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 3 publications 1989: 2 publications 1990: 1 publication 1991: 0 publications 1992: 2 publications 1993: 0 publications 1994: 3 publications 1995: 3 publications 1996: 3 publications 1997: 7 publications 1998: 13 publications 1999: 13 publications 2000: 17 publications 2001: 14 publications 2002: 15 publications 2003: 24 publications 2004: 22 publications 2005: 8 publications 2006: 12 publications 2007: 19 publications 2008: 31 publications 2009: 17 publications 2010: 26 publications 2011: 21 publications 2012: 28 publications 2013: 25 publications 2014: 28 publications 2015: 28 publications 2016: 23 publications 2017: 28 publications 2018: 20 publications 2019: 15 publications 2020: 21 publications 2021: 21 publications 2022: 7 publications 2023: 14 publications 2024: 20 publications 2025: 11 publications 2026: 2 publications
1977 2026

570 publications in total across all disciplines

View publications per year as a table
Igor Polikarpov: publications per year, 1977 to 2026
Year Publications
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 1
1985 0
1986 0
1987 1
1988 3
1989 2
1990 1
1991 0
1992 2
1993 0
1994 3
1995 3
1996 3
1997 7
1998 13
1999 13
2000 17
2001 14
2002 15
2003 24
2004 22
2005 8
2006 12
2007 19
2008 31
2009 17
2010 26
2011 21
2012 28
2013 25
2014 28
2015 28
2016 23
2017 28
2018 20
2019 15
2020 21
2021 21
2022 7
2023 14
2024 20
2025 11
2026 2
Total 570
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Igor Polikarpov 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 Igor Polikarpov sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 461–480 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 479 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265 479
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Igor Polikarpov 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 Igor Polikarpov sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 64–65 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 64 D-Index — 56th percentile

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

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731 64
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Igor Polikarpov is affiliated with the Universidade de São Paulo in Brazil. Their research spans multiple disciplines within the broader fields of biochemistry, genetics, molecular biology, and engineering, with a focus on subfields such as biomedical engineering, molecular biology, biotechnology, plant science, and biomaterials.

The scientific contributions by Polikarpov include significant work on biofuel production and bioconversion, enzyme production and characterization, advanced cellulose research studies, catalysis for biomass conversion, microbial metabolic engineering and bioproduction, microbial metabolites in food biotechnology, and enzyme catalysis and immobilization.

Notable recent publications authored or coauthored by Polikarpov include:

  • An overview on progress, advances, and future outlook for biohydrogen production technology (2022), International Journal of Hydrogen Energy
  • Xyloglucan processing machinery in Xanthomonas pathogens and its role in the transcriptional activation of virulence factors (2021), Nature Communications
  • Cellulose nanofibers production using a set of recombinant enzymes (2020), Carbohydrate Polymers
  • Recent advances in the enzymatic production and applications of xylooligosaccharides (2021), World Journal of Microbiology and Biotechnology
  • Enzymatic production of xylooligosaccharides from corn cobs: Assessment of two different pretreatment strategies (2022), Carbohydrate Polymers

Polikarpov frequently publishes in venues such as Carbohydrate Polymers, World Journal of Microbiology and Biotechnology, Industrial Crops and Products, Cellulose, and SSRN Electronic Journal.

Their frequent collaborators include Vanessa O.A. Pellegrini, Vanessa de Oliveira Arnoldi Pellegrini, Caio Cesar de Mello Capetti, Andrei Nicoli Gebieluca Dabul, and Fernando Segato.

Best Publications

  • Bovine β-lactoglobulin at 1.8 Å resolution — still an enigmatic lipocalin

    Sharon Brownlow;João H. Morais Cabral;Ron Cooper;Darren R. Flower

  • Average protein density is a molecular-weight-dependent function.

    Hannes Fischer;Igor Polikarpov;Aldo F. Craievich

  • Chemical and morphological characterization of sugarcane bagasse submitted to a delignification process for enhanced enzymatic digestibility.

    Camila Alves Rezende;Marisa Aparecida de Lima;Priscila Maziero;Eduardo Ribeiro deAzevedo

  • Determination of the molecular weight of proteins in solution from a single small-angle X-ray scattering measurement on a relative scale

    H. Fischer;M. de Oliveira Neto;H. B. Napolitano;I. Polikarpov

  • Medium chain fatty acids are selective peroxisome proliferator activated receptor (PPAR) γ activators and pan-PPAR partial agonists

    Marcelo Vizoná Liberato;Alessandro Silva Nascimento;Steven D. Ayers;Jean Z. Lin

  • Crystal structure of the extracellular region of human tissue factor

    K. Harlos;D. M. A. Martin;D. P. O'Brien;E. Y. Jones

  • Enzymatic hydrolysis of pretreated sugar cane bagasse using Penicillium funiculosum and Trichoderma harzianum cellulases

    Roberto Nobuyuki Maeda;Viviane Isabel Serpa;Vanessa Alves Lima Rocha;Renata Aparecida Alves Mesquita

  • Multi-scale structural and chemical analysis of sugarcane bagasse in the process of sequential acid-base pretreatment and ethanol production by Scheffersomyces shehatae and Saccharomyces cerevisiae

    Anuj K Chandel;Felipe Af Antunes;Virgilio Anjos;Maria Jv Bell

  • Crystal Structure of Exo-inulinase from Aspergillus awamori: The Enzyme Fold and Structural Determinants of Substrate Recognition

    R.A.P. Nagem;A.L. Rojas;A.M. Golubev;O.S. Korneeva

  • Effects of pretreatment on morphology, chemical composition and enzymatic digestibility of eucalyptus bark: a potentially valuable source of fermentable sugars for biofuel production – part 1

    Marisa A. Lima;Gabriela B. Lavorente;Hana K. P. da Silva;Juliano Bragatto

  • β-Lactoglobulin: Structural Studies, Biological Clues

    Lindsay Sawyer;Sharon Brownlow;Igor Polikarpov;Su-Ying Wu

  • Structural Rearrangements in the Thyroid Hormone Receptor Hinge Domain and Their Putative Role in the Receptor Function

    Alessandro S. Nascimento;Sandra Martha Gomes Dias;Fábio M. Nunes;Ricardo Aparício

  • The two types of 3-dehydroquinase have distinct structures but catalyze the same overall reaction.

    David G. Gourley;David G. Gourley;Annette K. Shrive;Annette K. Shrive;Igor Polikarpov;Tino Krell;Tino Krell

  • Efficient sugar production from sugarcane bagasse by microwave assisted acid and alkali pretreatment

    Zongyuan Zhu;Camila Alves Rezende;Rachael Simister;Simon J. McQueen-Mason

  • SAXSMoW 2.0: Online calculator of the molecular weight of proteins in dilute solution from experimental SAXS data measured on a relative scale.

    Vassili Piiadov;Evandro Ares de Araújo;Mario Oliveira Neto;Aldo Felix Craievich

  • Crystal Structure of Recombinant Human Interleukin-22

    Ronaldo Alves Pinto Nagem;Didier Colau;Laure Dumoutier;Jean Christophe Renauld

  • Structural diversity of carbohydrate esterases

    Aline M. Nakamura;Alessandro S. Nascimento;Igor Polikarpov

  • The high resolution crystal structure of yeast hexokinase PII with the correct primary sequence provides new insights into its mechanism of action.

    Paula R. Kuser;Sandra Krauchenco;Octávio A. C. Antunes;Igor Polikarpov

  • Crystal structures of bovine beta-lactoglobulin in the orthorhombic space group C222(1). Structural differences between genetic variants A and B and features of the Tanford transition.

    Kesley M. G. Oliveira;Vera L. Valente-Mesquita;Michelle M. Botelho;Lindsay Sawyer

  • Substrate binding is required for assembly of the active conformation of the catalytic site in Ntn amidotransferases: evidence from the 1.8 å crystal structure of the glutaminase domain of glucosamine 6-phosphate synthase

    Michail N Isupov;Galya Obmolova;Susanna Butterworth;Marie-Ange Badet-Denisot

  • Purification, characterization, gene cloning and preliminary X-ray data of the exo-inulinase from Aspergillus awamori.

    Michael Arand;Alexander M. Golubev;J. R. Brandao Neto;Igor Polikarpov

Frequent Co-Authors

Munir S. Skaf
Munir S. Skaf State University of Campinas
Aldo F. Craievich
Aldo F. Craievich Universidade de São Paulo
Jean-Christophe Renauld
Jean-Christophe Renauld Université Catholique de Louvain
Laure Dumoutier
Laure Dumoutier Université Catholique de Louvain
Sergio Marangoni
Sergio Marangoni State University of Campinas
Simon J. McQueen-Mason
Simon J. McQueen-Mason University of York
John D. Baxter
John D. Baxter University of California, San Francisco
Neil C. Bruce
Neil C. Bruce University of York
Sergio T. Ferreira
Sergio T. Ferreira Federal University of Rio de Janeiro
Paulo Arruda
Paulo Arruda State University of Campinas

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