World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
73
Citations
18013
World Ranking
4997
National Ranking
1558

Chien M. Wai 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 Chien M. Wai 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: 345 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Chien M. Wai 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 Chien M. Wai 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: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Chien M. Wai is affiliated with the University of Idaho in the United States. Their research primarily focuses on the chemistry of radioactive elements and environmental processes related to their extraction and analysis.

The scientist's main fields of study include:

  • Chemistry
  • Earth and Planetary Sciences
  • Environmental Science

Subfields of particular interest in their work are:

  • Inorganic Chemistry
  • Geochemistry and Petrology
  • Global and Planetary Change
  • Industrial and Manufacturing Engineering
  • Mechanical Engineering

The core topics covered in their research encompass:

  • Radioactive element chemistry and processing
  • Geochemistry and Elemental Analysis
  • Radioactive contamination and transfer
  • Chemical Synthesis and Characterization
  • Extraction and Separation Processes

Chien M. Wai has published work in several scientific journals, including:

  • Dalton Transactions
  • Industrial & Engineering Chemistry Research
  • Metals

Among their recent papers are:

  • A highly efficient uranium grabber derived from acrylic fiber for extracting uranium from seawater, 2020, Dalton Transactions
  • Uranium Recovery from Seawater Using Amidoxime-Based Braided Polymers Synthesized from Acrylic Fibers, 2020, Industrial & Engineering Chemistry Research
  • Sequestering Rare Earth Elements and Precious Metals from Seawater Using a Highly Efficient Polymer Adsorbent Derived from Acrylic Fiber, 2022, Metals

The scientist frequently collaborates with several co-authors, including:

  • Horng-Bin Pan
  • Li-Jung Kuo
  • Gary A. Gill
  • Jonathan E. Strivens
  • Joanna S. Wang

Best Publications

  • Supercritical fluid extraction in herbal and natural product studies - a practical review.

    Qingyong Lang;Chien M. Wai

  • pH-Defining Equilibrium between Water and Supercritical CO2. Influence on SFE of Organics and Metal Chelates

    Karen L. Toews;Robert M. Shroll;Chien M. Wai;Neil G. Smart

  • Platinum/Carbon nanotube nanocomposite synthesized in supercritical fluid as electrocatalysts for low-temperature fuel cells.

    Yuehe Lin;Xiaoli Cui;Clive Yen;Chien M. Wai

  • Arsenic species in groundwaters of the blackfoot disease area, taiwan.

    Shun-Long. Chen;Shiaan R. Dzeng;Mo-Hsiung. Yang;Kong-Hwa. Chiu

  • PtRu/carbon nanotube nanocomposite synthesized in supercritical fluid: a novel electrocatalyst for direct methanol fuel cells.

    Yuehe Lin;Xiaoli Cui;Clive H. Yen;Chien M. Wai

  • Microemulsion-Templated Synthesis of Carbon Nanotube-Supported Pd and Rh Nanoparticles for Catalytic Applications

    Byunghoon Yoon;Chien M. Wai

  • Synthesizing and Dispersing Silver Nanoparticles in a Water-in-Supercritical Carbon Dioxide Microemulsion.

    Min Ji;Xiaoyuan Chen;Chien M. Wai;John L. Fulton

  • Synthesis of Silver and Copper Nanoparticles in a Water-in-Supercritical-Carbon Dioxide Microemulsion

    Hiroyuki Ohde;Fred Hunt;Chien M. Wai

  • Extraction of metal ions from liquid and solid materials by supercritical carbon dioxide

    K. E. Laintz;C. M. Wai;C. R. Yonker;R. D. Smith

  • Supercritical fluid synthesis and characterization of catalytic metal nanoparticles on carbon nanotubes

    Xiang Rong Ye;Xiang Rong Ye;Yuehe Lin;Chongming Wang;Mark H. Engelhard

  • Supercritical fluid extraction of lanthanides and actinides from solid materials with a fluorinated [beta]-diketone

    Yuehe. Lin;R. D. Brauer;K. E. Laintz;C. M. Wai

  • Solubility of chelating agents and metal-containing compounds in supercritical fluid carbon dioxide

    Neil G. Smart;Thomas Carleson;Timothy Kast;Anthony A. Clifford

  • Disposable Electrochemical Immunosensor Diagnosis Device Based on Nanoparticle Probe and Immunochromatographic Strip

    Guodong Liu;Ying Ying Lin;Jun Wang;Hong Wu

  • Supercritical Fluid Fabrication of Metal Nanowires and Nanorods Templated by Multiwalled Carbon Nanotubes

    Xiang Rong Ye;Yuehe Lin;Chongmin Wang;Chien M. Wai

  • Hydrogenation of Olefins in Supercritical CO2 Catalyzed by Palladium Nanoparticles in a Water-in-CO2 Microemulsion

    Hiroyuki Ohde;Chien M. Wai;Hakwon Kim;Jeongryul Kim

  • Nebular condensation of moderately volatile elements and their abundances in ordinary chondrites

    Chien M. Wai;John T. Wasson

  • Solubility of fluorinated metal diethyldithiocarbamates in Supercritical carbon dioxide

    K.E. Laintz;C.M. Wai;C.R. Yonker;R.D. Smith

  • PAST, PRESENT, AND POSSIBLE FUTURE APPLICATIONS OF SUPERCRITICAL FLUID EXTRACTION TECHNOLOGY

    Cindy L. Phelps;Neil G. Smart;Chien M. Wai

  • Decorating catalytic palladium nanoparticles on carbon nanotubes in supercritical carbon dioxide

    Xiang R. Ye;Xiang R. Ye;Yuehe Lin;Chien M. Wai

  • Supercritical Fluid Extraction of Lanthanides with Fluorinated .beta.-Diketones and Tributyl Phosphate

    Yuehe. Lin;C. M. Wai

Frequent Co-Authors

Yuehe Lin
Yuehe Lin Washington State University
Gary A. Gill
Gary A. Gill Pacific Northwest National Laboratory
Xiaoyuan Chen
Xiaoyuan Chen National University of Singapore
Richard A. Bartsch
Richard A. Bartsch Texas Tech University
John T. Wasson
John T. Wasson University of California, Los Angeles
Costas Tsouris
Costas Tsouris Oak Ridge National Laboratory
Dan Du
Dan Du Washington State University
Chengzhou Zhu
Chengzhou Zhu Central China Normal University
Guodong Liu
Guodong Liu Harbin Institute of Technology
Mark H. Engelhard
Mark H. Engelhard Pacific Northwest National Laboratory

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