World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
52
Citations
11950
World Ranking
4430
National Ranking
73

Tomohiko Isobe 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 Tomohiko Isobe 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: 164 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Tomohiko Isobe 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 Tomohiko Isobe 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: 52 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Tomohiko Isobe is affiliated with the National Institute for Environmental Studies in Japan. Their research primarily focuses on environmental science, with a strong emphasis on health, toxicology, and mutagenesis.

Their extensive publication record includes notable papers such as:

  • Defining the Scope of Exposome Studies and Research Needs from a Multidisciplinary Perspective, 2021, Environmental Science & Technology Letters
  • Pharmaceuticals and personal care products (PPCPs) in surface water and fish from three Asian countries: Species-specific bioaccumulation and potential ecological risks, 2022, The Science of The Total Environment
  • Study Design and Participants' Profile in the Sub-Cohort Study in the Japan Environment and Children's Study (JECS), 2020, Journal of Epidemiology
  • Association of prenatal exposure to cadmium with neurodevelopment in children at 2 years of age: The Japan Environment and Children's Study, 2021, Environment International
  • Indoor air quality of 5,000 households and its determinants. Part B: Volatile organic compounds and inorganic gaseous pollutants in the Japan Environment and Children's study, 2021, Environmental Research

Frequent co-authors include Shoji F. Nakayama, Miyuki Iwai-Shimada, Yukiko Nishihama, Makiko Sekiyama, and Shin Yamazaki. These collaborators have contributed to many of the publications associated with Isobe's work.

The scientist's contributions have appeared in a number of publication venues, notably:

  • International Journal of Environmental Research and Public Health
  • Environment International
  • SSRN Electronic Journal
  • Environmental Research
  • The Science of The Total Environment

Isobe's main fields of study are centered on Environmental Science. The subfields in which they have published include Health, Toxicology and Mutagenesis, Insect Science, Environmental Chemistry, Plant Science, and Public Health, Environmental and Occupational Health.

The research topics covered by their work span a variety of subjects, including:

  • Air Quality and Health Impacts
  • Toxic Organic Pollutants Impact
  • Insect and Pesticide Research
  • Per- and polyfluoroalkyl substances research
  • Heavy Metal Exposure and Toxicity
  • Effects and risks of endocrine disrupting chemicals
  • Health, Environment, Cognitive Aging

Best Publications

  • Plastic Resin Pellets as a Transport Medium for Toxic Chemicals in the Marine Environment

    Yukie Mato;Tomohiko Isobe;Hideshige Takada;Haruyuki Kanehiro

  • Baseline Profile of Participants in the Japan Environment and Children's Study (JECS).

    Takehiro Michikawa;Hiroshi Nitta;Shoji F. Nakayama;Shin Yamazaki

  • Distribution and behavior of nonylphenol, octylphenol, and nonylphenol monoethoxylate in Tokyo metropolitan area: their association with aquatic particles and sedimentary distributions.

    Tomohiko Isobe;Hajime Nishiyama;and Arisa Nakashima;Hideshige Takada

  • Worldwide trends in tracing poly- and perfluoroalkyl substances (PFAS) in the environment

    Shoji F. Nakayama;Mitsuha Yoshikane;Yu Onoda;Yukiko Nishihama

  • Determination of estrogens and their conjugates in water using solid-phase extraction followed by liquid chromatography-tandem mass spectrometry

    Tomohiko Isobe;Hiroaki Shiraishi;Masaru Yasuda;Akiko Shinoda

  • Levels and distribution of organophosphorus flame retardants and plasticizers in fishes from Manila Bay, the Philippines.

    Joon-Woo Kim;Tomohiko Isobe;Kwang-Hyeon Chang;Atsuko Amano

  • Organophosphorus flame retardants (PFRs) in human breast milk from several Asian countries.

    Joon-Woo Kim;Tomohiko Isobe;Mamoru Muto;Nguyen Minh Tue

  • Contamination of indoor dust and air by polychlorinated biphenyls and brominated flame retardants and relevance of non-dietary exposure in Vietnamese informal e-waste recycling sites

    Nguyen Minh Tue;Shin Takahashi;Go Suzuki;Tomohiko Isobe

  • Spatial distribution and vertical profile of polybrominated diphenyl ethers and hexabromocyclododecanes in sediment core from Tokyo Bay, Japan.

    Nguyen Hung Minh;Nguyen Hung Minh;Tomohiko Isobe;Daisuke Ueno;Keizo Matsumoto

  • Asia-Pacific mussel watch for emerging pollutants: Distribution of synthetic musks and benzotriazole UV stabilizers in Asian and US coastal waters.

    Haruhiko Nakata;Ryu Ichi Shinohara;Yusuke Nakazawa;Tomohiko Isobe

  • Multiresidue analytical method for the determination of antimicrobials, preservatives, benzotriazole UV stabilizers, flame retardants and plasticizers in fish using ultra high performance liquid chromatography coupled with tandem mass spectrometry

    Joon-Woo Kim;Babu Rajendran Ramaswamy;Babu Rajendran Ramaswamy;Kwang-Hyeon Chang;Tomohiko Isobe

  • Human exposure to PCBs, PBDEs and HBCDs in Ghana: Temporal variation, sources of exposure and estimation of daily intakes by infants.

    Kwadwo Ansong Asante;Sam Adu-Kumi;Kenta Nakahiro;Shin Takahashi

  • Accumulation of polychlorinated biphenyls and brominated flame retardants in breast milk from women living in Vietnamese e-waste recycling sites.

    Nguyen Minh Tue;Agus Sudaryanto;Tu Binh Minh;Tomohiko Isobe

  • Uptake and Tissue Distribution of Pharmaceuticals and Personal Care Products in Wild Fish from Treated-Wastewater-Impacted Streams.

    Rumi Tanoue;Kei Nomiyama;Haruna Nakamura;Joon-Woo Kim

  • Asian Mussel Watch Program: contamination status of polybrominated diphenyl ethers and organochlorines in coastal waters of Asian countries.

    Karri Ramu;Natsuko Kajiwara;Agus Sudaryanto;Tomohiko Isobe

  • Levels and body distribution of polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecanes (HBCDs) in freshwater fishes from the Yangtze River, China.

    Qiming Xian;Karri Ramu;Tomohiko Isobe;Agus Sudaryanto

  • Distribution of polycyclic aromatic hydrocarbons (PAHS) and phenolic endocrine disrupting chemicals in South and Southeast Asian mussels.

    Tomohiko Isobe;Hideshige Takada;Miki Kanai;Shinobu Tsutsumi

  • Determination of preservative and antimicrobial compounds in fish from Manila Bay, Philippines using ultra high performance liquid chromatography tandem mass spectrometry, and assessment of human dietary exposure

    Babu Rajendran Ramaswamy;Joon-Woo Kim;Tomohiko Isobe;Kwang-Hyeon Chang;Kwang-Hyeon Chang

  • Horizontal distribution of steroid estrogens in surface sediments in Tokyo Bay

    Tomohiko Isobe;Shigeko Serizawa;Toshihiro Horiguchi;Yasuyuki Shibata

  • Defining the Scope of Exposome Studies and Research Needs from a Multidisciplinary Perspective.

    Pei Zhang;Pei Zhang;Pei Zhang;Christopher Carlsten;Romanas Chaleckis;Romanas Chaleckis;Kati Hanhineva;Kati Hanhineva;Kati Hanhineva

  • Persistent organochlorines in human breast milk from major metropolitan cities in India.

    Gnanasekaran Devanathan;Annamalai Subramanian;Masayuki Someya;Agus Sudaryanto

Frequent Co-Authors

Shinsuke Tanabe
Shinsuke Tanabe Ehime University
Shin Takahashi
Shin Takahashi Ehime University
Agus Sudaryanto
Agus Sudaryanto National Research and Innovation Agency of the Republic of Indonesia
Tatsuya Kunisue
Tatsuya Kunisue Ehime University
Pham Hung Viet
Pham Hung Viet Vietnam National University, Hanoi
Annamalai Subramanian
Annamalai Subramanian Ehime University
Hideshige Takada
Hideshige Takada Tokyo University of Agriculture and Technology
António J.A. Nogueira
António J.A. Nogueira University of Aveiro
Kurunthachalam Kannan
Kurunthachalam Kannan University at Albany, State University of New York
Haruhiko Nakata
Haruhiko Nakata Kumamoto University

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