World's Best Scientists 2026 revealed!
Nikolai D. Denkov

Nikolai D. Denkov

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Chemistry
Bulgaria
2026

D-Index & Metrics

Chemistry

D-Index
71
Citations
18312
World Ranking
5537
National Ranking
1

Nikolai D. Denkov 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 Nikolai D. Denkov 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: 200 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Nikolai D. Denkov 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 Nikolai D. Denkov 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: 71 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in Bulgaria Leader Award
  • 2025 - Research.com Chemistry in Bulgaria Leader Award
  • 2023 - Research.com Chemistry in Bulgaria Leader Award
  • 2022 - Research.com Chemistry in Bulgaria Leader Award
  • 2019 - Member of Academia Europaea

Overview

Nikolai D. Denkov is affiliated with Sofia University in Bulgaria and has contributed extensively to the fields of Materials Science, Agricultural and Biological Sciences, and Chemistry. Their research spans multiple subfields, including Materials Chemistry, Food Science, Organic Chemistry, Surfaces, Coatings and Films, and Molecular Biology.

The scientist's work focuses on several main topics, notably:

  • Pickering emulsions and particle stabilization
  • Proteins in Food Systems
  • Surfactants and Colloidal Systems
  • Food Chemistry and Fat Analysis
  • Material Dynamics and Properties
  • Surface Modification and Superhydrophobicity
  • Phase Equilibria and Thermodynamics

Denkov has published research in several frequent venues, with a significant number of contributions to Colloids and Surfaces A Physicochemical and Engineering Aspects, Current Opinion in Colloid & Interface Science, SSRN Electronic Journal, Advances in Colloid and Interface Science, and Crystal Growth & Design.

Notable recent papers include:

  • Physicochemical control of foam properties, 2020, Current Opinion in Colloid & Interface Science
  • Foamability of surfactant solutions: Interplay between adsorption and hydrodynamic conditions, 2021, Colloids and Surfaces A Physicochemical and Engineering Aspects
  • Self-emulsification in chemical and pharmaceutical technologies, 2022, Current Opinion in Colloid & Interface Science
  • Polymorphic phase transitions in triglycerides and their mixtures studied by SAXS/WAXS techniques: In bulk and in emulsions, 2023, Advances in Colloid and Interface Science
  • Effect of counter-ion on rheological properties of mixed surfactant solutions, 2022, Colloids and Surfaces A Physicochemical and Engineering Aspects

Frequent collaborators include Slavka Tcholakova, Diana Cholakova, Sonya Tsibranska, Z. Mitrinova, and Desislava Glushkova, indicating a collaborative research approach within their scientific community.

Recognition of Denkov's contributions includes being named a Member of Academia Europaea in 2019.

Best Publications

  • Mechanism of formation of two-dimensional crystals from latex particles on substrates

    N. Denkov;O. Velev;P. Kralchevski;I. Ivanov

  • Two-dimensional crystallization

    N. D. Denkov;O. D. Velev;P. A. Kralchevsky;I. B. Ivanov

  • Charging of Oil−Water Interfaces Due to Spontaneous Adsorption of Hydroxyl Ions

    K. G. Marinova;R. G. Alargova;N. D. Denkov;O. D. Velev

  • Capillary forces and structuring in layers of colloid particles

    Peter A. Kralchevsky;Nikolai D. Denkov

  • Mechanisms of foam destruction by oil-based antifoams.

    Nikolai D. Denkov

  • Comparison of solid particles, globular proteins and surfactants as emulsifiers

    S. Tcholakova;N. D. Denkov;A. Lips

  • Coalescence stability of emulsions containing globular milk proteins.

    Slavka Tcholakova;Nikolai D. Denkov;Ivan B. Ivanov;Bruce Campbell

  • A possible mechanism of stabilization of emulsions by solid particles

    N.D Denkov;I.B Ivanov;P.A Kralchevsky;D.T Wasan

  • Lateral capillary forces between floating submillimeter particles

    V.N. Paunov;P.A. Kralchevsky;N.D. Denkov;K. Nagayama

  • Emulsification in turbulent flow 1. Mean and maximum drop diameters in inertial and viscous regimes.

    Nina Vankova;Slavka Tcholakova;Nikolai D. Denkov;Ivan B. Ivanov

  • Foaming and foam stability for mixed polymer-surfactant solutions: effects of surfactant type and polymer charge.

    R. Petkova;S. Tcholakova;N. D. Denkov

  • Role of surfactant type and concentration for the mean drop size during emulsification in turbulent flow.

    Slavka Tcholakova;Nikolai D. Denkov;Thomas Danner

  • The role of surfactant type and bubble surface mobility in foam rheology

    Nikolai D. Denkov;Slavka Tcholakova;Konstantin Golemanov;K. P. Ananthpadmanabhan

  • Wall slip and viscous dissipation in sheared foams: Effect of surface mobility

    Nikolai D. Denkov;Vivek Subramanian;Daniel Gurovich;Alex Lips

  • Energetical and Force Approaches to the Capillary Interactions between Particles Attached to a Liquid-Fluid Interface

    P.A. Kralchevsky;V.N. Paunov;N.D. Denkov;I.B. Ivanov

  • Surface Rheology of Saponin Adsorption Layers

    R. Stanimirova;K. Marinova;S. Tcholakova;N. D. Denkov

  • Interrelation between Drop Size and Protein Adsorption at Various Emulsification Conditions

    Slavka Tcholakova;Nikolai D. Denkov;Doroteya Sidzhakova;Ivan B. Ivanov

  • Synergistic sphere-to-rod micelle transition in mixed solutions of sodium dodecyl sulfate and cocoamidopropyl betaine.

    N. C. Christov;N. D. Denkov;P. A. Kralchevsky;K. P. Ananthapadmanabhan

  • Foamability of aqueous solutions: Role of surfactant type and concentration

    B. Petkova;S. Tcholakova;M. Chenkova;K. Golemanov

  • Surfactant mixtures for control of bubble surface mobility in foam studies.

    K Golemanov;N D Denkov;S Tcholakova;M Vethamuthu

  • Role of Betaine as Foam Booster in the Presence of Silicone Oil Drops

    Elka S. Basheva;Dragomir Ganchev;Nikolai D. Denkov;Kenichi Kasuga

Frequent Co-Authors

Slavka Tcholakova
Slavka Tcholakova Sofia University
Peter A. Kralchevsky
Peter A. Kralchevsky Sofia University
Krassimir D. Danov
Krassimir D. Danov Sofia University
Stoyan K. Smoukov
Stoyan K. Smoukov Queen Mary University of London
Orlin D. Velev
Orlin D. Velev North Carolina State University
Vesselin N. Paunov
Vesselin N. Paunov Nazarbayev University
Darsh T. Wasan
Darsh T. Wasan Illinois Institute of Technology
Bernard P. Binks
Bernard P. Binks University of Hull
Franz Durst
Franz Durst FMP Technology (Germany)

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