World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
60
Citations
11471
World Ranking
2967
National Ranking
16

Engineering and Technology

D-Index
59
Citations
11314
World Ranking
2378
National Ranking
17

Leonidas Ntziachristos publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Leonidas Ntziachristos sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 211 publications — 52nd percentile

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

The last bar groups every scientist with 804 publications or more.

Leonidas Ntziachristos D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Leonidas Ntziachristos sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 59 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Leonidas Ntziachristos is affiliated with Aristotle University of Thessaloniki in Greece. Their research primarily focuses on the intersection of engineering and environmental science, with a significant emphasis on vehicle emissions, atmospheric chemistry, and air quality.

Their scholarly output includes several recent notable publications:

  • Reduction in greenhouse gas and other emissions from ship engines: Current trends and future options, 2022, Progress in Energy and Combustion Science
  • Advances in air quality research - current and emerging challenges, 2022, Atmospheric chemistry and physics
  • Shipping Remains a Globally Significant Source of Anthropogenic PN Emissions Even after 2020 Sulfur Regulation, 2020, Environmental Science & Technology
  • Traffic impacts on energy consumption of electric and conventional vehicles, 2022, Transportation Research Part D Transport and Environment
  • A European Regulatory Perspective towards a Euro 7 Proposal, 2022, SAE International Journal of Advances and Current Practices in Mobility

Frequent co-authors include:

  • Zissis Samaras
  • George Tsegas
  • Sokratis Mamarikas
  • Georgios Fontaras
  • Nikolaos Rapkos

Common publication venues for their work comprise:

  • Atmosphere
  • SSRN Electronic Journal
  • Atmospheric Environment
  • SAE technical papers on CD-ROM/SAE technical paper series
  • Journal of Aerosol Science

Their work spans main fields such as:

  • Engineering
  • Environmental Science

Within these fields, they have specialized in several subfields, notably:

  • Automotive Engineering
  • Environmental Engineering
  • Atmospheric Science
  • Health, Toxicology and Mutagenesis
  • Electrical and Electronic Engineering

The key topics of their research include:

  • Vehicle emissions and performance
  • Atmospheric chemistry and aerosols
  • Maritime Transport Emissions and Efficiency
  • Air Quality and Health Impacts
  • Air Quality Monitoring and Forecasting
  • Energy, Environment, and Transportation Policies
  • Electric Vehicles and Infrastructure

Best Publications

  • Road vehicle emission factors development: A review

    Vicente Franco;Marina Kousoulidou;Marilena Muntean;Leonidas Ntziachristos

  • COPERT: A European Road Transport Emission Inventory Model

    Leonidas Ntziachristos;Dimitrios Gkatzoflias;Chariton Kouridis;Zissis Samaras

  • Validation of road vehicle and traffic emission models – A review and meta-analysis

    Robin Smit;Leonidas Ntziachristos;Paul Boulter

  • Review of motor vehicle particulate emissions sampling and measurement: From smoke and filter mass to particle number

    Barouch Giechaskiel;Matti Maricq;Leonidas Ntziachristos;Christos Dardiotis

  • Effects of biodiesel on passenger car fuel consumption, regulated and non-regulated pollutant emissions over legislated and real-world driving cycles

    Georgios Fontaras;Georgios Karavalakis;Marina Kousoulidou;Theodoros Tzamkiozis

  • Relationship between redox activity and chemical speciation of size-fractionated particulate matter

    Leonidas Ntziachristos;John R Froines;Arthur K Cho;Constantinos Sioutas

  • Physicochemical and redox characteristics of particulate matter (PM) emitted from gasoline and diesel passenger cars

    Michael D. Geller;Leonidas Ntziachristos;Athanasios Mamakos;Zissis Samaras

  • Evolution of NO x emissions in Europe with focus on road transport control measures

    Vigdis Vestreng;Leonidas Ntziachristos;Arne Semb;Stefan Reis

  • Emissions of Particulate Trace Elements, Metals and Organic Species from Gasoline, Diesel, and Biodiesel Passenger Vehicles and Their Relation to Oxidative Potential

    K. L. Cheung;L. Ntziachristos;T. Tzamkiozis;J. J. Schauer

  • Reduction in greenhouse gas and other emissions from ship engines: Current trends and future options

    Unknown

  • Use of portable emissions measurement system (PEMS) for the development and validation of passenger car emission factors

    Marina Kousoulidou;Georgios Fontaras;Leonidas Ntziachristos;Pierre Bonnel

  • The Policy Relevance of Wear Emissions from Road Transport, Now and in the Future—An International Workshop Report and Consensus Statement

    Hugo A. C. Denier van der Gon;Miriam E Gerlofs-Nijland;Robert Gehrig;Mats Gustafsson

  • Exhaust particles of modern gasoline vehicles: A laboratory and an on-road study

    Panu Karjalainen;Liisa Pirjola;Juha Heikkilä;Tero Lähde

  • Chemical characteristics and oxidative potential of particulate matter emissions from gasoline, diesel, and biodiesel cars.

    Ka Lam Cheung;Andrea Polidori;Leonidas Ntziachristos;Theodoros Tzamkiozis

  • Fine, ultrafine and nanoparticle trace element compositions near a major freeway with a high heavy-duty diesel fraction

    Leonidas Ntziachristos;Zhi Ning;Michael D. Geller;Rebecca J. Sheesley

  • Formation potential of vehicle exhaust nucleation mode particles on-road and in the laboratory

    Barouch Giechaskiel;Leonidas Ntziachristos;Zissis Samaras;Volker Scheer

  • Biodiesel blend effects on common-rail diesel combustion and emissions

    Marina Kousoulidou;Georgios Fontaras;Leonidas Ntziachristos;Zissis Samaras

  • Real Time Measurements of Diesel Particle Size Distribution with an Electrical Low Pressure Impactor

    Peter Ahlvik;Leonidas Ntziachristos;Jorma Keskinen;Annele Virtanen

  • Speed-dependent representative emission factors for catalyst passenger cars and influencing parameters

    Leonidas Ntziachristos;Zissis Samaras

  • THE EFFECT OF AGE AND TECHNOLOGICAL CHANGE ON MOTOR VEHICLE EMISSIONS

    T. Zachariadis;L. Ntziachristos;Z. Samaras

  • Road-transport emission projections to 2020 in European urban environments

    Marina Kousoulidou;Leonidas Ntziachristos;Giorgos Mellios;Zissis Samaras

Frequent Co-Authors

Zissis Samaras
Zissis Samaras Aristotle University of Thessaloniki
Jorma Keskinen
Jorma Keskinen Tampere University
Topi Rönkkö
Topi Rönkkö Tampere University
Barouch Giechaskiel
Barouch Giechaskiel European Commission
Constantinos Sioutas
Constantinos Sioutas University of Southern California
Georgios Fontaras
Georgios Fontaras Joint Research Centre
Hilkka Timonen
Hilkka Timonen Finnish Meteorological Institute
Sanna Saarikoski
Sanna Saarikoski Finnish Meteorological Institute
Flemming R. Cassee
Flemming R. Cassee Utrecht University
Risto Hillamo
Risto Hillamo Finnish Meteorological Institute

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