World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
64
Citations
11844
World Ranking
9866
National Ranking
274

Barbara Nicolaus publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Barbara Nicolaus sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 233 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Barbara Nicolaus D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Barbara Nicolaus sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 64 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Barbara Nicolaus is affiliated with the National Research Council (CNR) in Italy. Their research primarily spans the fields of Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Nursing. Within these broader fields, Nicolaus focuses on subfields such as Nutrition and Dietetics, Plant Science, Molecular Biology, Soil Science, and Food Science.

The main topics of their work include Microbial Metabolites in Food Biotechnology, Composting and Vermicomposting Techniques, Polyamine Metabolism and Applications, Probiotics and Fermented Foods, Agriculture and Crop Management, Magnetic and Electromagnetic Effects, and Polysaccharides and Plant Cell Walls.

Barbara Nicolaus has collaborated frequently with several researchers, including Annarita Poli, Ilaria Finore, Ida Romano, Paola Di Donato, and Maria Papale. Their work has been published in various scientific venues, notably:

  • Microorganisms
  • Agriculture
  • 3 Biotech
  • International Journal of Environmental Science and Technology
  • Resources

Among the recent papers authored or coauthored by Nicolaus are:

  • Prokaryotic Diversity of the Composting Thermophilic Phase: The Case of Ground Coffee Compost (2021), published in Microorganisms
  • Productivity and Nutritional Trait Improvements of Different Tomatoes Cultivated with Effective Microorganisms Technology (2021), published in Agriculture
  • Hetero-exopolysaccharide from the extremely halophilic Halomonas smyrnensis K2: production, characterization and functional properties in vitro (2020), published in 3 Biotech
  • Extraction of Cu2+ and Co2+ by using Tricholoma populinum loaded onto Amberlite XAD-4 (2020), published in International Journal of Environmental Science and Technology
  • Effect of Carbon Sources in Carotenoid Production from Haloarcula sp. M1, Halolamina sp. M3 and Halorubrum sp. M5, Halophilic Archaea Isolated from Sonora Saltern, Mexico (2021), published in Microorganisms

Best Publications

  • Bacterial Exopolysaccharides from Extreme Marine Habitats: Production, Characterization and Biological Activities

    Annarita Poli;Gianluca Anzelmo;Barbara Nicolaus

  • Chemical composition and production of exopolysaccharides from representative members of heterocystous and non-heterocystous cyanobacteria

    Barbara Nicolaus;Adriana Panico;Licia Lama;Ida Romano

  • Synthesis, Production, and Biotechnological Applications of Exopolysaccharides and Polyhydroxyalkanoates by Archaea

    Annarita Poli;Paola Di Donato;Paola Di Donato;Gennaro Roberto Abbamondi;Barbara Nicolaus

  • Exopolysaccharides from extremophiles: from fundamentals to biotechnology

    Barbara Nicolaus;Margarita Kambourova;Ebru Toksoy Oner

  • Biosorption of Cd, Cu, Ni, Mn and Zn from aqueous solutions by thermophilic bacteria, Geobacillus toebii sub.sp decanicus and Geobacillus thermoleovorans sub.sp stromboliensis: Equilibrium, kinetic and thermodynamic studies

    Sadin Özdemir;Ersin Kilinc;Annarita Poli;Barbara Nicolaus

  • Archaeoglobus profundus sp. nov., Represents a New Species within the Sulfate-reducing Archaebacteria

    Siegfried Burggraf;Holger W. Jannasch;Barbara Nicolaus;Karl O. Stetter

  • Effects of temperature on ether lipid composition of Caldariella acidophila

    Mario De Rosa;Enrico Esposito;Agata Gambacorta;Barbara Nicolaus

  • High level synthesis of levan by a novel Halomonas species growing on defined media

    Annarita Poli;Hande Kazak;Bahar Gürleyendağ;Giuseppina Tommonaro

  • Glucose metabolism in the extreme thermoacidophilic archaebacterium Sulfolobus solfataricus

    M De Rosa;A Gambacorta;B Nicolaus;P Giardina

  • Microbial Diversity in Extreme Marine Habitats and Their Biomolecules

    Annarita Poli;Ilaria Finore;Ida Romano;Alessia Gioiello

  • Isoprenoid ethers; backbone of complex lipids of the archaebacterium Sulfolobus solfataricus

    Mario De Rosa;Agata Gambacorta;Barbara Nicolaus;Bertrand Chappe

  • Molasses as fermentation substrate for levan production by Halomonas sp.

    Faruk Küçükaşik;Hande Kazak;Dilvin Güney;Ilaria Finore

  • Purification and characterization of thermostable xylanase and β-xylosidase by the thermophilic bacterium Bacillus thermantarcticus

    Licia Lama;Valeria Calandrelli;Agata Gambacorta;Barbara Nicolaus

  • A halophilic thermotolerant Bacillus isolated from a marine hot spring able to produce a new exopolysaccharide

    Teresa L. Maugeri;Concetta Gugliandolo;Daniela Caccamo;Adriana Panico

  • Chemical Composition of Two Exopolysaccharides from Bacillus thermoantarcticus.

    M C Manca;L Lama;R Improta;E Esposito

  • Fermentation Technologies for the Optimization of Marine Microbial Exopolysaccharide Production

    Ilaria Finore;Paola Di Donato;Vincenza Mastascusa;Barbara Nicolaus

  • Halomonas alkaliantarctica sp. nov., isolated from saline lake Cape Russell in Antarctica, an alkalophilic moderately halophilic, exopolysaccharide-producing bacterium

    Annarita Poli;Enrico Esposito;Pierangelo Orlando;Licia Lama

  • Production and characterization of a microbial glucan, synthesized by Geobacillus tepidamans V264 isolated from Bulgarian hot spring

    Margarita Kambourova;Rossica Mandeva;Damyana Dimova;Annarita Poli

  • Anoxybacillus amylolyticus sp. nov., a thermophilic amylase producing bacterium isolated from Mount Rittmann (Antarctica)

    Annarita Poli;Enrico Esposito;Licia Lama;Pierangelo Orlando

  • Plant growth-promoting effects of rhizospheric and endophytic bacteria associated with different tomato cultivars and new tomato hybrids

    Gennaro Roberto Abbamondi;Gennaro Roberto Abbamondi;Giuseppina Tommonaro;Nele Weyens;Sofie Thijs

Frequent Co-Authors

Mario De Rosa
Mario De Rosa University of Campania "Luigi Vanvitelli"
William D. Grant
William D. Grant University of Leicester
Enrico Drioli
Enrico Drioli National Research Council (CNR)
Buko Lindner
Buko Lindner Research Center Borstel - Leibniz-Center for Medicine and Biosciences
Antonio Molinaro
Antonio Molinaro University of Naples Federico II
Karl O. Stetter
Karl O. Stetter University of Regensburg
Otto Holst
Otto Holst Research Center Borstel - Leibniz-Center for Medicine and Biosciences
Robert Huber
Robert Huber University of Duisburg-Essen
Kok-Gan Chan
Kok-Gan Chan University of Malaya

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