World's Best Scientists 2026 revealed!
Mark A. Birch-Machin

Mark A. Birch-Machin

D-Index & Metrics

Biology and Biochemistry

D-Index
57
Citations
12614
World Ranking
13762
National Ranking
1075

Mark A. Birch-Machin 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 Mark A. Birch-Machin 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: 195 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Mark A. Birch-Machin 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 Mark A. Birch-Machin 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: 57 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

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

Overview

Mark A. Birch-Machin is affiliated with Newcastle University in the United Kingdom. Their research primarily focuses on the field of medicine, with a particular emphasis on dermatology, health, toxicology and mutagenesis, molecular biology, epidemiology, and physiology.

The main topics explored in Birch-Machin's work include:

  • Skin Protection and Aging
  • Adipose Tissue and Metabolism
  • Circadian rhythm and melatonin
  • Air Quality and Health Impacts
  • Indoor Air Quality and Microbial Exposure
  • Antioxidant Activity and Oxidative Stress
  • Adipokines, Inflammation, and Metabolic Diseases

A selection of recent papers authored or co-authored by Birch-Machin includes:

  • "Microneedle-based devices for point-of-care infectious disease diagnostics," 2021, Acta Pharmaceutica Sinica B
  • "Individual and combined effects of the infrared, visible, and ultraviolet light components of solar radiation on damage biomarkers in human skin cells," 2020, The FASEB Journal
  • "Exploration of Sleep as a Specific Risk Factor for Poor Metabolic and Mental Health: A UK Biobank Study of 84,404 Participants," 2021, Nature and Science of Sleep
  • "Metabolic dysfunction in human skin: Restoration of mitochondrial integrity and metabolic output by nicotinamide (niacinamide) in primary dermal fibroblasts from older aged donors," 2020, Aging Cell
  • "Targeting mitochondria in dermatological therapy: beyond oxidative damage and skin aging," 2022, Expert Opinion on Therapeutic Targets

Birch-Machin's frequent co-authors include:

  • Bhaven Chavan
  • Gewei Zhu
  • Amy Bowman
  • Wil J. Reynolds
  • Jessica Moor

The researcher has published extensively in various venues, with multiple publications in:

  • The FASEB Journal
  • FASEB BioAdvances
  • British Journal of Dermatology
  • Acta Pharmaceutica Sinica B
  • Nature and Science of Sleep

Best Publications

  • Mutation of a nuclear succinate dehydrogenase gene results in mitochondrial respiratory chain deficiency

    Thomas Bourgeron;Pierre Rustin;Dominique Chretien;Mark Birch-Machin

  • Mitochondrial dysfunction accounts for the stochastic heterogeneity in telomere-dependent senescence.

    João F Passos;Gabriele Saretzki;Gabriele Saretzki;Shaheda Ahmed;Shaheda Ahmed;Glyn Nelson

  • Telomerase does not counteract telomere shortening but protects mitochondrial function under oxidative stress.

    Shaheda Ahmed;João F. Passos;Matthew J. Birket;Tina Beckmann

  • Evidence for Variable Selective Pressures at MC1R

    Rosalind M. Harding;Eugene Healy;Amanda J. Ray;Nichola S. Ellis

  • Assaying mitochondrial respiratory complex activity in mitochondria isolated from human cells and tissues.

    Mark A. Birch-Machin;Douglass M. Turnbull

  • Mitochondria-targeted antioxidants

    Anne O. Oyewole;Mark A. Birch-Machin

  • Clinical implications and utility of field cancerization

    Gabriel D Dakubo;John P Jakupciak;Mark A Birch-Machin;Ryan L Parr

  • Pleiotropic effects of the melanocortin 1 receptor (MC1R) gene on human pigmentation

    Niamh Flanagan;Eugene Healy;Amanda Ray;Sion Philips

  • An Evaluation of the Measurement of the Activities of Complexes I-IV in the Respiratory Chain of Human Skeletal Muscle Mitochondria

    M.A. Birchmachin;H.L. Briggs;A.A. Saborido;L.A. Bindoff

  • Melanocortin 1 receptor variants in an Irish population

    Rachel Smith;Eugene Healy;Shazia Siddiqui;Niamh Flanagan

  • MITOCHONDRIAL FUNCTION IN PARKINSON'S DISEASE

    L.A. Bindoff;M. Birch-Machin;N.E.F. Cartlidge;W.D. Parker

  • Loss of function mutations of the human melanocortin 1 receptor are common and are associated with red hair.

    Helgi B. Schiöth;Siôn R. Phillips;Richard Rudzish;Mark A. Birch-Machin

  • Towards a “free radical theory of graying”: melanocyte apoptosis in the aging human hair follicle is an indicator of oxidative stress induced tissue damage

    Petra Clara Arck;Rupert Overall;Katharina Spatz;Christiane Liezman

  • Respiratory chain abnormalities in skeletal muscle from patients with Parkinson's disease

    L.A. Bindoff;M.A. Birch-Machin;N.E.F. Cartlidge;W.D. Parker

  • Increasing melanoma cell death using inhibitors of protein disulfide isomerases to abrogate survival responses to endoplasmic reticulum stress

    Penny E. Lovat;Marco Corazzari;Jane L. Armstrong;Shaun Martin

  • Oxidative stress and ageing

    Mark Birch-Machin;Amy Bowman

  • Tomato paste rich in lycopene protects against cutaneous photodamage in humans in vivo: A randomized controlled trial

    M. Rizwan;I. Rodriguez-Blanco;A. Harbottle;M.A. Birch-Machin

  • Late-onset optic atrophy, ataxia, and myopathy associated with a mutation of a complex II gene.

    Mark A. Birch-Machin;Robert W. Taylor;Bruce Cochran;Brian A. C. Ackrell

  • Melanocortin-1-receptor gene and sun sensitivity in individuals without red hair

    Eugene Healy;Eugene Healy;Niamh Flannagan;Amanda Ray;Carole Todd

  • Mitochondrial DNA deletions in human skin reflect photo-rather than chronologic aging

    Mark A. Birch-machin;May Tindall;Richard Turner;Faye Haldane

Frequent Co-Authors

Douglass M. Turnbull
Douglass M. Turnbull Newcastle University
Eugene Healy
Eugene Healy University of Southampton
Jonathan L. Rees
Jonathan L. Rees University of Edinburgh
Laurence A. Bindoff
Laurence A. Bindoff Haukeland University Hospital
Ian J. Jackson
Ian J. Jackson University of Edinburgh
Robert W. Taylor
Robert W. Taylor Newcastle University
Falko F. Sniehotta
Falko F. Sniehotta Newcastle University
Gabriele Saretzki
Gabriele Saretzki Newcastle University
João F. Passos
João F. Passos Mayo Clinic
Mauro Piacentini
Mauro Piacentini University of Rome Tor Vergata

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