World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
129
Citations
61405
World Ranking
2598
National Ranking
1457

Irwin J. Kopin publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Irwin J. Kopin sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 726 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Irwin J. Kopin D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Irwin J. Kopin sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 129 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • Member of the Association of American Physicians
  • Member of the Association of American Physicians

Overview

Irwin J. Kopin is a researcher affiliated with the National Institutes of Health in the United States. Their career encompasses contributions to medical science and biomedical research undertaken within a prominent federal research institution.

Throughout their professional activities, Kopin has been recognized as a Member of the Association of American Physicians, an honor reflecting their standing within the medical research community.

While specific details on publications, coauthors, research fields, and primary topics of study are not available, Kopin's association with the National Institutes of Health suggests involvement in biomedical or clinical research projects advancing public health knowledge.

Their scholarly record does not currently include information on recent papers, book publications, or frequent publication venues. Similarly, there is no detailed data on subfields of study or specialized research topics.

No information indicates that Kopin is deceased, so they are considered an active member of the scientific community.

Best Publications

  • A primate model of parkinsonism: selective destruction of dopaminergic neurons in the pars compacta of the substantia nigra by N-methyl-4-phenyl-1,2,3,6-tetrahydropyridine.

    R S Burns;C C Chiueh;S P Markey;M H Ebert

  • Chronic Parkinsonism secondary to intravenous injection of meperidine analogues.

    Glenn C. Davis;Adrian C. Williams;Sanford P. Markey;Michael H. Ebert

  • Catecholamine Metabolism: A Contemporary View with Implications for Physiology and Medicine

    Graeme Eisenhofer;Irwin J. Kopin;David S. Goldstein

  • Sympathetic cardioneuropathy in dysautonomias.

    David S. Goldstein;Courtney Holmes;Richard O. Cannon;Graeme Eisenhofer

  • Use of plasma norepinephrine for evaluation of sympathetic neuronal function in man.

    Charles R. Lake;Michael G. Ziegler;Irwin J. Kopin

  • Plasma noradrenaline increases with age.

    M G Ziegler;C R Lake;I J Kopin

  • Evolution of concepts of stress

    David S. Goldstein;Irwin J. Kopin

  • Production of a specific antiserum to rat brain glutamic acid decar☐ylase by injection of an antigen-antibody complex

    W.H. Oertel;D.E. Schmechel;M.L. Tappaz;I.J. Kopin

  • Immunocytochemical localization of glutamate decar☐ylase in rat cerebellum with a new antiserum

    W.H. Oertel;D.E. Schmechel;E. Mugnaini;M.L. Tappaz

  • Cardiac Sympathetic Nerve Function in Congestive Heart Failure

    Graeme Eisenhofer;Peter Friberg;Bengt Rundqvist;Arshed A. Quyyumi

  • Validity and reliability of liquid chromatography with electrochemical detection for measuring plasma levels of norepinephrine and epinephrine in man.

    David S. Goldstein;Giora Feuerstein;Joseph L. Izzo;Irwin J. Kopin

  • Metabolism of normetanephrine-H3 in rat brain--identification of conjugated 3-methoxy-4-hydrophenylglycol as the major metabolite

    Saul M. Schanberg;Joseph J. Schildkraut;George R. Breese;Irwin J. Kopin

  • Sources and Significance of Plasma Levels of Catechols and Their Metabolites in Humans

    David S. Goldstein;Graeme F. Eisenhofer;Irwin J. Kopin

  • L-Dopa-Induced Release of Cerebral Monoamines

    K. Y. Ng;T. N. Chase;R. W. Colburn;I. J. Kopin

  • Simultaneous liquid-chromatographic determination of 3,4-dihydroxyphenylglycol, catecholamines, and 3,4-dihydroxyphenylalanine in plasma, and their responses to inhibition of monoamine oxidase.

    G Eisenhofer;D S Goldstein;R Stull;H R Keiser

  • Stress-Induced Norepinephrine Release in the Hypothalamic Paraventricular Nucleus and Pituitary-Adrenocortical and Sympathoadrenal Activity: In Vivo Microdialysis Studies

    Karel Pacak;Miklos Palkovits;Irwin J. Kopin;David S. Goldstein

  • Relationship between plasma norepinephrine and sympathetic neural activity

    D S Goldstein;R McCarty;R J Polinsky;I J Kopin

  • The fate of melatonin in animals.

    Irwin J. Kopin;C.M.B. Pare;Julius Axelrod;Herbert Weissbach

  • The Sympathetic-Nervous-System Defect in Primary Orthostatic Hypotension

    M G Ziegler;C R Lake;I J Kopin

  • Elevation of Adrenal Tyrosine Hydroxylase and Phenylethanolamine-N-Methyl Transferase by Repeated Immobilization of Rats

    Richard Kvetňanský;Virginia K. Weise;Irwin J. Kopin

Frequent Co-Authors

David S. Goldstein
David S. Goldstein National Institutes of Health
Julius Axelrod
Julius Axelrod National Institutes of Health
David M. Jacobowitz
David M. Jacobowitz National Institutes of Health
Karel Pacak
Karel Pacak National Institutes of Health
Michael G. Ziegler
Michael G. Ziegler University of California, San Diego
Harry R. Keiser
Harry R. Keiser National Institutes of Health
Thomas N. Chase
Thomas N. Chase National Institutes of Health
Juan M. Saavedra
Juan M. Saavedra Georgetown University Medical Center
Kenneth L. Kirk
Kenneth L. Kirk National Institutes of Health

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