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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 50 14224 12806 3672 3001 194 14541

James M. Harnly publications per year

The chart shows the history of publications by James M. Harnly between 1973 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. James M. Harnly published across 54 years, from 1973 to 2026, averaging 4.2 papers a year. Output peaked at 16 publications in 2008. 7 of the 226 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1973 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2008. 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 2 publications 1978: 1 publication 1979: 2 publications 1980: 0 publications 1981: 1 publication 1982: 7 publications 1983: 4 publications 1984: 11 publications 1985: 8 publications 1986: 5 publications 1987: 2 publications 1988: 6 publications 1989: 2 publications 1990: 2 publications 1991: 1 publication 1992: 1 publication 1993: 4 publications 1994: 3 publications 1995: 2 publications 1996: 3 publications 1997: 2 publications 1998: 2 publications 1999: 1 publication 2000: 1 publication 2001: 1 publication 2002: 1 publication 2003: 1 publication 2004: 3 publications 2005: 3 publications 2006: 4 publications 2007: 11 publications 2008: 16 publications 2009: 5 publications 2010: 4 publications 2011: 8 publications 2012: 8 publications 2013: 6 publications 2014: 11 publications 2015: 14 publications 2016: 7 publications 2017: 6 publications 2018: 6 publications 2019: 2 publications 2020: 7 publications 2021: 9 publications 2022: 5 publications 2023: 4 publications 2024: 3 publications 2025: 6 publications 2026: 1 publication
1973 2026

226 publications in total across all disciplines

View publications per year as a table
James M. Harnly: publications per year, 1973 to 2026
Year Publications
1973 1
1974 0
1975 0
1976 0
1977 2
1978 1
1979 2
1980 0
1981 1
1982 7
1983 4
1984 11
1985 8
1986 5
1987 2
1988 6
1989 2
1990 2
1991 1
1992 1
1993 4
1994 3
1995 2
1996 3
1997 2
1998 2
1999 1
2000 1
2001 1
2002 1
2003 1
2004 3
2005 3
2006 4
2007 11
2008 16
2009 5
2010 4
2011 8
2012 8
2013 6
2014 11
2015 14
2016 7
2017 6
2018 6
2019 2
2020 7
2021 9
2022 5
2023 4
2024 3
2025 6
2026 1
Total 226
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 181–200 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344 194
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 50–51 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861 50
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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