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Hyman B. Niznik

Hyman B. Niznik

University of Toronto
Canada

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
18949
World Ranking
11736
National Ranking
401

Hyman B. Niznik publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Hyman B. Niznik sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 118 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Hyman B. Niznik D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Hyman B. Niznik sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Hyman B. Niznik is a researcher primarily affiliated with the University of Toronto in Canada. Their academic profile reflects engagement in scientific inquiry within an institutional context known for its diverse research activities.

While specific details about their recent papers, co-authors, publication venues, or books are not provided, the affiliation with a major research university suggests involvement in ongoing academic work and potential collaboration with other scholars. The absence of listed main fields of study, subfields, or primary topics of research indicates that publicly available information on their specific areas of expertise is limited or not documented in the provided data.

No records of awards or notable distinctions are available for this individual, and no indication suggests their passing; thus, the profile is presented in the present tense.

Without further bibliographic or thematic data, Hyman B. Niznik's research footprint cannot be elaborated upon beyond the institutional connection with the University of Toronto.

Best Publications

  • Cloning of the gene for a human dopamine D4 receptor with high affinity for the antipsychotic clozapine.

    Hubert H. M. Van Tol;James R. Bunzow;Hong-Chang Guan;Roger K. Sunahara

  • Cloning of the gene for a human dopamine D5 receptor with higher affinity for dopamine than D1

    R. K. Sunahara;Hong-Chang Guan;B. F. O'dowd;P. Seeman

  • Multiple dopamine D4 receptor variants in the human population

    Van Tol Hh;Wu Cm;Guan Hc;Ohara K

  • Localization of D1 and D2 dopamine receptors in brain with subtype-specific antibodies.

    Allan I. Levey;Steven M. Hersch;David B. Rye;Roger K. Sunahara

  • The dopamine transporter: immunochemical characterization and localization in brain

    BJ Ciliax;C Heilman;LL Demchyshyn;ZB Pristupa

  • Dual Regulation of NMDA Receptor Functions by Direct Protein-Protein Interactions with the Dopamine D1 Receptor

    Frank J.S. Lee;Sheng Xue;Lin Pei;Brian Vukusic

  • D1 and D2 dopamine receptor mRNA in rat brain

    David M. Weiner;Allan I. Levey;Roger K. Sunahara;Hyman B. Niznik

  • Human dopamine D1 receptor encoded by an intronless gene on chromosome 5.

    Roger K. Sunahara;Hyman B. Niznik;David M. Weiner;Tom M. Stormann

  • Direct binding and functional coupling of α-synuclein to the dopamine transporters accelerate dopamine-induced apoptosis

    Frank J. S. Lee;Fang Liu;Zdenek B. Pristupa;Hyman B. Niznik

  • Direct protein–protein coupling enables cross-talk between dopamine D5 and γ-aminobutyric acid A receptors

    Fang Liu;Qi Wan;Zdenek B. Pristupa;Xian-Min Yu

  • THE SOMATOSTATIN RECEPTOR FAMILY

    Y.C. Patel;M.T. Greenwood;R. Panetta;L. Demchyshyn

  • Endogenous dopamine lowers the dopamine D2 receptor density as measured by [3H]raclopride: Implications for positron emission tomography of the human brain

    Philip Seeman;H.-C. Guan;Hyman B. Niznik

  • Dopamine receptors and transporters in Parkinson's disease and schizophrenia.

    Philip Seeman;Hyman B. Niznik

  • Dopamine D(5) receptor immunolocalization in rat and monkey brain.

    Brian J. Ciliax;Norm Nash;Craig Heilman;Roger Sunahara

  • Link between D1 and D2 dopamine receptors is reduced in schizophrenia and Huntington diseased brain.

    Philip Seeman;Hyman B. Niznik;H. C. Guan;Gillian Booth

  • The dopamine transporter and cytochrome P450IID1 (debrisoquine 4-hydroxylase) in brain: Resolution and identification of two distinct [3H]GBR-12935 binding proteins

    Hyman B. Niznik;Rachel F. Tyndale;Floyd R. Sallee;Frank J. Gonzalez

  • Differential modulation of GABAA receptor function by Mel1a and Mel1b receptors.

    Qi Wan;Heng-Ye Man;Fang Liu;Jodi Braunton

  • High Affinity Recognition of Serotonin Transporter Antagonists Defined by Species-scanning Mutagenesis AN AROMATIC RESIDUE IN TRANSMEMBRANE DOMAIN I DICTATES SPECIES-SELECTIVE RECOGNITION OF CITALOPRAM AND MAZINDOL

    Eric L. Barker;Melody A. Perlman;Erika M. Adkins;William J. Houlihan

  • Pharmacological heterogeneity of the cloned and native human dopamine transporter: disassociation of [3H]WIN 35,428 and [3H]GBR 12,935 binding.

    Z B Pristupa;J M Wilson;B J Hoffman;S J Kish

  • Protein kinase-mediated bidirectional trafficking and functional regulation of the human dopamine transporter

    Zdenek B. Pristupa;Fortunata McConkey;Fang Liu;Heng Y. Man

Frequent Co-Authors

Philip Seeman
Philip Seeman University of Toronto
Roger K. Sunahara
Roger K. Sunahara University of California, San Diego
John L. Neumeyer
John L. Neumeyer Harvard University
Brian F. O'Dowd
Brian F. O'Dowd Centre for Addiction and Mental Health
Fang Liu
Fang Liu Centre for Addiction and Mental Health
Hubert H. M. Van Tol
Hubert H. M. Van Tol University of Toronto
Philippe Vernier
Philippe Vernier Centre national de la recherche scientifique, CNRS
Rachel F. Tyndale
Rachel F. Tyndale University of Toronto
Olivier Civelli
Olivier Civelli University of California, Irvine
Allan I. Levey
Allan I. Levey Emory University

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Best Scientists Citing Hyman B. Niznik

Kjell Fuxe

Kjell Fuxe

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Publications: 67

James L. Kennedy

James L. Kennedy

Centre for Addiction and Mental Health

Publications: 55

Philip Seeman

Philip Seeman

University of Toronto

Publications: 52

Marc G. Caron

Marc G. Caron

Duke University

Publications: 45

Fang Liu

Fang Liu

Centre for Addiction and Mental Health

Publications: 44

Brian F. O'Dowd

Brian F. O'Dowd

Centre for Addiction and Mental Health

Publications: 43

Randy D. Blakely

Randy D. Blakely

Florida Atlantic University

Publications: 41

Nora D. Volkow

Nora D. Volkow

National Institutes of Health

Publications: 40

Susan R. George

Susan R. George

University of Toronto

Publications: 37

Hubert H. M. Van Tol

Hubert H. M. Van Tol

University of Toronto

Publications: 33

Dasiel O. Borroto-Escuela

Dasiel O. Borroto-Escuela

Karolinska Institute

Publications: 33

Olivier Civelli

Olivier Civelli

University of California, Irvine

Publications: 33

Ross J. Baldessarini

Ross J. Baldessarini

Harvard University

Publications: 32

Michael J. Kuhar

Michael J. Kuhar

Emory University

Publications: 31

Joanna S. Fowler

Joanna S. Fowler

Brookhaven National Laboratory

Publications: 31

Bertha K. Madras

Bertha K. Madras

Harvard University

Publications: 31

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