World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
50
Citations
14541
World Ranking
14224
National Ranking
3672

James M. Harnly 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 James M. Harnly 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: 194 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

James M. Harnly 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 James M. Harnly 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: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Overview

James M. Harnly is affiliated with the United States Department of Agriculture in the United States. Their research spans multiple fields, including Medicine, Biochemistry, Genetics and Molecular Biology, and Agricultural and Biological Sciences. Within these areas, they have contributed to subfields such as Molecular Biology, Plant Science, Analytical Chemistry, Nutrition and Dietetics, and Biochemistry.

Their work has addressed main topics across the following domains:

  • Phytochemicals and Antioxidant Activities
  • Metabolomics and Mass Spectrometry Studies
  • Nutritional Studies and Diet
  • Spectroscopy and Chemometric Analyses
  • Nutrition, Genetics, and Disease
  • Analytical Chemistry and Chromatography
  • Biochemical Analysis and Sensing Techniques

James M. Harnly has published frequently in several academic venues, including:

  • Current Developments in Nutrition
  • Journal of AOAC International
  • Analytical and Bioanalytical Chemistry
  • Journal of Food Composition and Analysis
  • Frontiers in Pharmacology

Some notable publications include:

  • USDA's FoodData Central: what is it and why is it needed today?, 2021, American Journal of Clinical Nutrition
  • Mass Spectrometry-Based Nontargeted and Targeted Analytical Approaches in Fingerprinting and Metabolomics of Food and Agricultural Research, 2022, Journal of Agricultural and Food Chemistry
  • Analytical Challenges and Metrological Approaches to Ensuring Dietary Supplement Quality: International Perspectives, 2022, Frontiers in Pharmacology
  • FoodData Central, USDA's Updated Approach to Food Composition Data Systems, 2021, Current Developments in Nutrition
  • Identification of adulteration in botanical samples with untargeted metabolomics, 2020, Analytical and Bioanalytical Chemistry

Frequent collaborators in their research include:

  • Jianghao Sun
  • Pei Chen
  • Naomi K. Fukagawa
  • Pamela Pehrsson
  • Ping Geng

Best Publications

  • Proposed minimum reporting standards for chemical analysis

    Lloyd W. Sumner;Alexander Amberg;Dave Barrett;Michael H. Beale

  • Flavonoid content of U.S. fruits, vegetables, and nuts.

    James M Harnly;Robert F Doherty;Gary R Beecher;Joanne M Holden

  • Flavonoids and Heart Health: Proceedings of the ILSI North America Flavonoids Workshop, May 31–June 1, 2005, Washington, DC

    John W. Erdman;Douglas Balentine;Lenore Arab;Gary Beecher

  • Identification of the phenolic components of chrysanthemum flower (Chrysanthemum morifolium Ramat)

    Long-Ze Lin;James M. Harnly

  • A Screening Method for the Identification of Glycosylated Flavonoids and Other Phenolic Compounds Using a Standard Analytical Approach for All Plant Materials

    Long-Ze Lin;James M. Harnly

  • The polyphenolic profiles of common bean (Phaseolus vulgaris L.).

    Long-Ze Lin;James M. Harnly;Marcial S. Pastor-Corrales;Devanand L. Luthria

  • New Phenolic Components and Chromatographic Profiles of Green and Fermented Teas

    Long-Ze Lin;Pei Chen;James M. Harnly

  • Tentative identification, quantitation, and principal component analysis of green pu-erh, green, and white teas using UPLC/DAD/MS.

    Yang Zhao;Pei Chen;Longze Lin;J M Harnly

  • Identification and quantification of flavonoids of Mexican oregano (Lippia graveolens) by LC-DAD-ESI/MS analysis

    Long-Ze Lin;Sudarsan Mukhopadhyay;Rebecca J. Robbins;James M. Harnly

  • Profiling polyphenols in five Brassica species microgreens by UHPLC-PDA-ESI/HRMS(n.).

    Jianghao Sun;Zhenlei Xiao;Long-ze Lin;Gene E. Lester

  • Determination of the flavonoid components of cashew apple (Anacardium occidentale) by LC-DAD-ESI/MS

    Edy Sousa de Brito;Manuela Cristina Pessanha de Araújo;Long-Ze Lin;James Harnly

  • Identification of Hydroxycinnamoylquinic Acids of Arnica Flowers and Burdock Roots Using a Standardized LC-DAD-ESI/MS Profiling Method

    Long-Ze Lin;James M Harnly

  • Phenolic Compounds and Chromatographic Profiles of Pear Skins (Pyrus spp.)

    Long-Ze Lin;James M. Harnly

  • Detection and Quantification of Glycosylated Flavonoid Malonates in Celery, Chinese Celery, and Celery Seed by LC-DAD-ESI/MS

    Long-Ze Lin;Shengmin Lu;James M. Harnly

  • Background-corrected simultaneous multielement atomic absorption spectrometer

    J. M. Harnly;T. C. O'Haver;B. Golden;W. R. Wolf

  • UHPLC-PDA-ESI/HRMS/MS(n) analysis of anthocyanins, flavonol glycosides, and hydroxycinnamic acid derivatives in red mustard greens (Brassica juncea Coss variety).

    Long-Ze Lin;Jianghao Sun;Pei Chen;James Harnly

  • UHPLC-PDA-ESI/HRMSn profiling method to identify and quantify oligomeric proanthocyanidins in plant products.

    Long-Ze Lin;Jianghao Sun;Pei Chen;Maria J Monagas

  • Quantitative Determination of Allicin in Garlic: Supercritical Fluid Extraction and Standard Addition of Alliin

    Michael E Rybak;Elizabeth M Calvey;James M Harnly

  • Identification of the Phenolic Components of Collard Greens, Kale, and Chinese Broccoli

    Long-Ze Lin;James M Harnly

  • Chromatographic profiles and identification of new phenolic components of Ginkgo biloba leaves and selected products.

    Long-Ze Lin;Pei Chen;Mustafa Ozcan;James M. Harnly

Frequent Co-Authors

Johanna T. Dwyer
Johanna T. Dwyer Tufts University
Gary R. Beecher
Gary R. Beecher United States Department of Agriculture
Ronald L. Horst
Ronald L. Horst Heartland Assays, LLC
John W. Finley
John W. Finley United States Department of Agriculture
Joseph F. Urban
Joseph F. Urban United States Department of Agriculture
John A. Milner
John A. Milner National Institutes of Health
Gerard Downey
Gerard Downey Teagasc - The Irish Agriculture and Food Development Authority
Robert E. London
Robert E. London National Institutes of Health
Gene E. Lester
Gene E. Lester United States Department of Agriculture
Gary S. Banuelos
Gary S. Banuelos Agricultural Research Service

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