World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
6682
World Ranking
8040
National Ranking
2876

Lewis Semprini publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Lewis Semprini sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 148 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Lewis Semprini D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Lewis Semprini sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 40 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Lewis Semprini is affiliated with Oregon State University in the United States. Their research primarily centers on Environmental Science, with a significant focus on Pollution, Molecular Biology, Biomedical Engineering, Health, Toxicology and Mutagenesis, and Industrial and Manufacturing Engineering as key subfields.

The scientist's work encompasses several main topics, including:

  • Microbial bioremediation and biosurfactants
  • Toxic Organic Pollutants Impact
  • Microbial Metabolic Engineering and Bioproduction
  • Wastewater Treatment and Nitrogen Removal
  • Environmental Chemistry and Analysis
  • 3D Printing in Biomedical Research
  • Innovative Microfluidic and Catalytic Techniques Innovation

Lewis Semprini has authored multiple research papers, some of the notable recent publications include:

  • PAH bioremediation with Rhodococcus rhodochrous ATCC 21198: Impact of cell immobilization and surfactant use on PAH treatment and post-remediation toxicity (2024), Journal of Hazardous Materials
  • Long-term cometabolic transformation of 1,1,1-trichloroethane and 1,4-dioxane by Rhodococcus rhodochrous ATCC 21198 grown on alcohols slowly produced by orthosilicates (2021), Journal of Contaminant Hydrology
  • Fluorescent spectroscopy paired with parallel factor analysis for quantitative monitoring of phenanthrene biodegradation and metabolite formation (2023), Chemosphere
  • Co-encapsulation of slow release compounds and Rhodococcus rhodochrous ATCC 21198 in gellan gum beads to promote the long-term aerobic cometabolic transformation of 1,1,1-trichloroethane, cis-1,2-dichloroethene and 1,4-dioxane (2020), Environmental Science Processes & Impacts
  • Influence of growth substrate and contaminant mixtures on the degradation of BTEX and MTBE by Rhodococcus rhodochrous ATCC strain 21198 (2023), Biodegradation

Frequent publication venues for Semprini's work include:

  • Biodegradation
  • RSC Sustainability
  • Journal of Hazardous Materials
  • Chemosphere
  • Journal of Contaminant Hydrology

Collaborations form an important aspect of Semprini's research, with regular coauthors consisting of:

  • Juliana M. Huizenga
  • Michael R. Hyman
  • Lisa Truong
  • Manuel García-Jaramillo
  • Riley A. Murnane

Best Publications

  • Handbook of Bioremediation

    R. D. Norris;R. E. Hinchee;R. Brown;P. L. McCarty

  • A Field Evaluation of In-Situ Biodegradation of Chlorinated Ethenes: Part 2, Results of Biostimulation and Biotransformation Experiments

    Lewis Semprini;Paul V. Roberts;Gary D. Hopkins;Perry L. McCarty

  • Ground-Water Treatment for Chlorinated Solvents

    Perry L. McCarty;Lewis Semprini

  • Comparison Between Model Simulations and Field Results for In‐Situ Biorestoration of Chlorinated Aliphatics: Part 1. Biostimulation of Methanotrophic Bacteria

    Lewis Semprini;Perry L. McCarty

  • Microcosm and in situ field studies of enhanced biotransformation of trichloroethylene by phenol-utilizing microorganisms.

    G D Hopkins;L Semprini;P L McCarty

  • Bioremediation of chlorinated solvents using alternate electron acceptors.

    Edward J. Bouwer

  • Comparison Between Model Simulations and Field Results for In‐Situ Biorestoration of Chlorinated Aliphatics: Part 2. Cometabolic Transformations

    Lewis Semprini;Perry L. McCarty

  • Influence of liberated silver from silver nanoparticles on nitrification inhibition of Nitrosomonas europaea

    Tyler S. Radniecki;Dylan P. Stankus;Arianne Neigh;Jeffrey A. Nason

  • Kinetics and Inhibition of Reductive Dechlorination of Chlorinated Ethylenes by Two Different Mixed Cultures

    Seungho Yu;Mark E. Dolan;Lewis Semprini

  • A Field Evaluation of In-Situ Biodegradation of Chlorinated Ethenes: Part I, Methodology and Field Site Characterization

    Paul V. Roberts;Gary D. Hopkins;Douglas M. Mackay;Lewis Semprini

  • Monitoring Abundance and Expression of “Dehalococcoides” Species Chloroethene-Reductive Dehalogenases in a Tetrachloroethene-Dechlorinating Flow Column

    Sebastian Behrens;Mohammad F. Azizian;Paul J. McMurdie;Andrew Sabalowsky

  • Anaerobic Transformation of Chlorinated Aliphatic Hydrocarbons in a Sand Aquifer Based on Spatial Chemical Distributions

    Lewis Semprini;Peter K. Kitanidis;Don H. Kampbell;John T. Wilson

  • Strategies for the aerobic co-metabolism of chlorinated solvents

    Lewis Semprini

  • Trichloroethylene Concentration Effects on Pilot Field-Scale In-Situ Groundwater Bioremediation by Phenol-Oxidizing Microorganisms

    Gary D. Hopkins;Junko Munakata;Lewis Semprini;Perry L. McCarty

  • In situ bioremediation of chlorinated solvents.

    Lewis Semprini

  • A Field Evaluation of In‐Situ Biodegradation of Chlorinated Ethenes: Part 3, Studies of Competitive Inhibition

    Lewis Semprini;Gary D. Hopkins;Paul V. Roberts;Dunja Grbic-Galic

  • Diversity in butane monooxygenases among butane-grown bacteria.

    Natsuko Hamamura;Ryan T. Storfa;Lewis Semprini;Daniel J. Arp

  • Kinetics and modeling of reductive dechlorination at high PCE and TCE concentrations

    Seungho Yu;Lewis Semprini

  • In-situ transformation of carbon tetrachloride and other halogenated compounds resulting from biostimulation under anoxic conditions

    Lewis Semprini;Gary D. Hopkins;Perry L. McCarty;Paul V. Roberts

  • Chloroform Cometabolism by Butane-Grown CF8, Pseudomonas butanovora, and Mycobacterium vaccae JOB5 and Methane-Grown Methylosinus trichosporium OB3b

    Natsuko Hamamura;Cynthia Page;Tulley Long;Lewis Semprini

  • Influence of bovine serum albumin and alginate on silver nanoparticle dissolution and toxicity to Nitrosomonas europaea.

    Ann-Kathrin Ostermeyer;Cameron Kostigen Mumuper;Lewis Semprini;Tyler Radniecki;Tyler Radniecki

  • Retardation of Dissolved Oxygen Due to a Trapped Gas Phase in Porous Media

    Virginia A. Fry;Jonathan D. Istok;Lewis Semprini;Kirk T. O'Reilly

  • Laboratory, Field and Modeling Studies of Radon‐222 as a Natural Tracer for Monitoring NAPL Contamination

    Lewis Semprini;Omar S. Hopkins;Brian R. Tasker

  • Bacterial community composition determined by culture-independent and -dependent methods during propane-stimulated bioremediation in trichloroethene-contaminated groundwater.

    Stephanie A. Connon;Adisorn Tovanabootr;Mark Dolan;Kevin Vergin

Frequent Co-Authors

Perry L. McCarty
Perry L. McCarty Stanford University
Jonathan D. Istok
Jonathan D. Istok Oregon State University
Alfred M. Spormann
Alfred M. Spormann Stanford University
Daniel J. Arp
Daniel J. Arp Oregon State University
Young Keun Kim
Young Keun Kim Korea University
Jennifer A. Field
Jennifer A. Field Oregon State University
John T. Wilson
John T. Wilson Environmental Protection Agency
Peter J. Bottomley
Peter J. Bottomley Oregon State University
Rolf U. Halden
Rolf U. Halden Arizona State University
Edward J. Bouwer
Edward J. Bouwer Johns Hopkins University

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