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Robert H. Mach

D-Index & Metrics

Biology and Biochemistry

D-Index
70
Citations
19674
World Ranking
6941
National Ranking
3198

Robert H. Mach 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 Robert H. Mach 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: 429 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Robert H. Mach 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 Robert H. Mach 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: 70 D-Index — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Overview

Robert H. Mach is affiliated with the University of Pennsylvania in the United States. Their research spans several fields, primarily focusing on Medicine as well as Biochemistry, Genetics, and Molecular Biology. Within these broader categories, the scientist's work emphasizes subfields such as Molecular Biology, Cellular and Molecular Neuroscience, Neurology, Radiology, Nuclear Medicine and Imaging, and Physiology.

The scientist's research topics cover various aspects of neuroscience, pharmacology, and cancer therapy. Key areas of study include Parkinson's Disease Mechanisms and Treatments, Receptor Mechanisms and Signaling, PARP inhibition in cancer therapy, Pharmacological Receptor Mechanisms and Effects, Alzheimer's disease research and treatments, Medical Imaging Techniques and Applications, and Neuroscience and Neuropharmacology Research.

Notable recent publications by Robert H. Mach include:

  • ALC1 links chromatin accessibility to PARP inhibitor response in homologous recombination-deficient cells, 2021, Nature Cell Biology
  • The Sigma-2 Receptor/TMEM97, PGRMC1, and LDL Receptor Complex Are Responsible for the Cellular Uptake of Aβ42 and Its Protein Aggregates, 2020, Molecular Neurobiology
  • Identification of a nanomolar affinity α-synuclein fibril imaging probe by ultra-high throughput in silico screening, 2020, Chemical Science
  • The Biological Function of Sigma-2 Receptor/TMEM97 and Its Utility in PET Imaging Studies in Cancer, 2020, Cancers
  • A multivalent mRNA-LNP vaccine protects against Clostridioides difficile infection, 2024, Science

Robert H. Mach frequently publishes in venues such as bioRxiv (Cold Spring Harbor Laboratory), Nuclear Medicine and Biology, Journal of Nuclear Medicine, International Journal of Molecular Sciences, and EJNMMI Radiopharmacy and Chemistry. These journals reflect a blend of basic science, medical imaging, and molecular biology research focuses.

The scientist collaborates regularly with other researchers, including Chia-Ju Hsieh, Hsiaoju Lee, Aladdin Riad, Ji Youn Lee, and E. James Petersson, indicating active engagement in multidisciplinary projects and co-authored investigations.

Best Publications

  • Inverse relation between in vivo amyloid imaging load and cerebrospinal fluid Abeta42 in humans.

    Anne M. Fagan;Mark A. Mintun;Robert H. Mach;Sang-Yoon Lee

  • [11C]PIB in a nondemented population: potential antecedent marker of Alzheimer disease.

    M. A. Mintun;G. N. LaRossa;Y. I. Sheline;C. S. Dence

  • Social dominance in monkeys: Dopamine D2 receptors and cocaine self-administration

    Drake Morgan;Kathleen A. Grant;H. Donald Gage;Robert H. Mach

  • PET imaging of dopamine D2 receptors during chronic cocaine self-administration in monkeys

    Michael A Nader;Drake Morgan;Drake Morgan;H Donald Gage;Susan H Nader

  • Cerebrospinal fluid tau and ptau181 increase with cortical amyloid deposition in cognitively normal individuals: Implications for future clinical trials of Alzheimer's disease

    Anne M. Fagan;Mark A. Mintun;Aarti R. Shah;Patricia Aldea

  • Spatial correlation between brain aerobic glycolysis and amyloid-β (Aβ) deposition

    Andrei G. Vlassenko;S. Neil Vaishnavi;Lars Couture;Dana Sacco

  • Epigenetic Priming of Memory Updating during Reconsolidation to Attenuate Remote Fear Memories

    Johannes Gräff;Nadine F. Joseph;Nadine F. Joseph;Meryl E. Horn;Alireza Samiei

  • Identification of the PGRMC1 protein complex as the putative sigma-2 receptor binding site

    Jinbin Xu;Chenbo Zeng;Wenhua Chu;Fenghui Pan

  • Sigma-2 receptors as a biomarker of proliferation in solid tumours.

    K T Wheeler;L M Wang;C A Wallen;S R Childers

  • Alzheimer's Therapeutics Targeting Amyloid Beta 1–42 Oligomers II: Sigma-2/PGRMC1 Receptors Mediate Abeta 42 Oligomer Binding and Synaptotoxicity

    Nicholas J. Izzo;Jinbin Xu;Chenbo Zeng;Molly J. Kirk;Molly J. Kirk

  • Consensus nomenclature rules for radiopharmaceutical chemistry - Setting the record straight.

    Heinz H. Coenen;Antony D. Gee;Michael Adam;Gunnar Antoni

  • Evaluation of 5-ethynyl-2′-deoxyuridine staining as a sensitive and reliable method for studying cell proliferation in the adult nervous system

    Chenbo Zeng;Fenghui Pan;Lynne A. Jones;Miranda M. Lim

  • Sigma 2 receptors as potential biomarkers of proliferation in breast cancer

    Robert H. Mach;Cynthia R. Smith;Isaf Al-Nabulsi;Brian R. Whirrett

  • Effect of social status on striatal dopamine D2 receptor binding characteristics in cynomolgus monkeys assessed with positron emission tomography.

    Kathleen A. Grant;Carol A. Shively;Michael A. Nader;Richard L. Ehrenkaufer

  • Ibogaine possesses a selective affinity for σ2 receptors

    Robert H. Mach;Cynthia R. Smith;Steven R. Childers

  • The σ2 Receptor: A Novel Protein for the Imaging and Treatment of Cancer

    Robert H. Mach;Chenbo Zeng;William G. Hawkins

  • Subcellular localization of sigma-2 receptors in breast cancer cells using two-photon and confocal microscopy.

    Chenbo Zeng;Suwanna Vangveravong;Jinbin Xu;Katherine C. Chang

  • Selective sigma-2 ligands preferentially bind to pancreatic adenocarcinomas: applications in diagnostic imaging and therapy.

    Hiroyuki Kashiwagi;Jonathan E McDunn;Peter O Simon;Peter S Goedegebuure

  • N-benzylisatin sulfonamide analogues as potent caspase-3 inhibitors: synthesis, in vitro activity, and molecular modeling studies.

    Wenhua Chu;Jun Zhang;Chenbo Zeng;Justin Rothfuss

  • Potential antecedent marker of Alzheimer disease

    M. A. Mintun;G. N. LaRossa;Y. I. Sheline;C. S. Dence

Frequent Co-Authors

David A. Mankoff
David A. Mankoff University of Pennsylvania
William G. Hawkins
William G. Hawkins Washington University in St. Louis
Michael J. Welch
Michael J. Welch Washington University in St. Louis
Mark A. Mintun
Mark A. Mintun University of Pennsylvania
Steven R. Childers
Steven R. Childers Wake Forest University
Hank F. Kung
Hank F. Kung University of Pennsylvania
Joel S. Perlmutter
Joel S. Perlmutter Washington University in St. Louis
Richard S. Hotchkiss
Richard S. Hotchkiss Washington University in St. Louis
Roger A. Greenberg
Roger A. Greenberg University of Pennsylvania
John C. Morris
John C. Morris Washington University in St. Louis

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Related Online Degrees & Career Pathways

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Graduates may pursue roles such as a certified professional coder, specializing in translating medical records into standardized codes for billing and analysis. Understanding how to enter the field is key, and learning medical coder salary expectations can help with career planning.

Before committing, it’s helpful to weigh the is medical coding a good job question by considering the field’s pros and cons. Whether aiming for clinical, laboratory, or health information roles, a degree in Biology or Biochemistry opens the door to a wide array of promising and adaptable careers.

Best Scientists Citing Robert H. Mach

John C. Morris

John C. Morris

Washington University in St. Louis

Publications: 165

Henrik Zetterberg

Henrik Zetterberg

University of Gothenburg

Publications: 139

Kaj Blennow

Kaj Blennow

University of Gothenburg

Publications: 134

David M. Holtzman

David M. Holtzman

Washington University in St. Louis

Publications: 115

Anne M. Fagan

Anne M. Fagan

Washington University in St. Louis

Publications: 112

William J. Jagust

William J. Jagust

University of California, Berkeley

Publications: 107

Tammie L.S. Benzinger

Tammie L.S. Benzinger

Washington University in St. Louis

Publications: 97

Reisa A. Sperling

Reisa A. Sperling

Brigham and Women's Hospital

Publications: 92

William E. Klunk

William E. Klunk

University of Pittsburgh

Publications: 68

Keith A. Johnson

Keith A. Johnson

Harvard University

Publications: 68

Victor L. Villemagne

Victor L. Villemagne

University of Pittsburgh

Publications: 66

Christopher C. Rowe

Christopher C. Rowe

University of Melbourne

Publications: 59

John Q. Trojanowski

John Q. Trojanowski

University of Pennsylvania

Publications: 56

Joel S. Perlmutter

Joel S. Perlmutter

Washington University in St. Louis

Publications: 54

Chester A. Mathis

Chester A. Mathis

University of Pittsburgh

Publications: 53

Hank F. Kung

Hank F. Kung

University of Pennsylvania

Publications: 48

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