World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
73
Citations
25899
World Ranking
4868
National Ranking
1524

J. Michael Ramsey 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 J. Michael Ramsey sits on this spectrum.

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 publications 1,295+

This scientist: 249 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

J. Michael Ramsey 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 J. Michael Ramsey sits on this spectrum.

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 D-Index 159+

This scientist: 73 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2011 - Fellow of the American Chemical Society

Overview

J. Michael Ramsey is affiliated with the University of North Carolina at Chapel Hill in the United States. Their research primarily lies within the field of Engineering, focusing on several subfields including Biomedical Engineering, Molecular Biology, Spectroscopy, Electrical and Electronic Engineering, and Toxicology.

Their work covers a range of main topics, including:

  • Microfluidic and Capillary Electrophoresis Applications
  • Forensic Toxicology and Drug Analysis
  • Nanopore and Nanochannel Transport Studies
  • Cannabis and Cannabinoid Research
  • Mass Spectrometry Techniques and Applications
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Biosensors and Analytical Detection

Frequent coauthors in the scientist's publications include W. Hampton Henley, Anca Frinculescu, Trevor Shine, Jean Pierre Alarie, and Lewis Couchman.

J. Michael Ramsey has contributed to various publication venues, with multiple works appearing in:

  • UNC Libraries
  • OPAL (Open@LaTrobe) (La Trobe University)
  • Drug Testing and Analysis
  • Environmental Education Research
  • Lab on a Chip

Notable recent publications are:

  • "A comparison of California and Texas secondary science teachers' perceptions of climate change," 2020, Environmental Education Research
  • "Analysis of illicit drugs in purchased and seized electronic cigarette liquids from the United Kingdom 2014-2021," 2022, Drug Testing and Analysis
  • "Spatially isolated reactions in a complex array: using magnetic beads to purify and quantify nucleic acids with digital and quantitative real-time PCR in thousands of parallel microwells," 2020, Lab on a Chip
  • "Analysis of drugs seized from amnesty bins at two major United Kingdom summer music festivals using two portable gas chromatography-mass spectrometry (GC-MS) instruments," 2024, Drug Testing and Analysis
  • "3,4-Methylenedioxymethamphetamine quantification via benchtop 1H qNMR spectroscopy: Method validation and its application to ecstasy tablets collected at music festivals," 2022, Journal of Pharmaceutical and Biomedical Analysis

The scientist was recognized as a Fellow of the American Chemical Society in 2011.

Best Publications

  • The Potential and Challenges of Nanopore Sequencing

    Daniel Branton;David W Deamer;Andre Marziali;Hagan Bayley

  • Effects of injection schemes and column geometry on the performance of microchip electrophoresis devices

    Stephen C. Jacobson;Roland. Hergenroder;Lance B. Koutny;R. J. Warmack

  • High-Speed Separations on a Microchip

    Stephen C. Jacobson;Roland Hergenroder;Lance B. Koutny;J. Michael Ramsey

  • Integrated system for rapid PCR-based DNA analysis in microfluidic devices.

    Julia Khandurina;Timothy E. McKnight;Stephen C. Jacobson;Larry C. Waters

  • Microchip Device for Cell Lysis, Multiplex PCR Amplification, and Electrophoretic Sizing

    Larry C. Waters;Stephen C. Jacobson;Natalia Kroutchinina;Julia Khandurina

  • Microchip Device for Performing Enzyme Assays

    Andrew G. Hadd;Daniel E. Raymond;John W. Halliwell;and Stephen C. Jacobson

  • Diffusion coefficient measurements in microfluidic devices.

    Christopher T Culbertson;Stephen C Jacobson;J Michael Ramsey

  • Open channel electrochromatography on a microchip

    Stephen C. Jacobson;Roland Hergenröder;Lance B. Koutny;John M Ramsey

  • Microchip Capillary Electrophoresis with an Integrated Postcolumn Reactor

    Stephen C. Jacobson;Lance B. Koutny;Roland. Hergenroeder;Alvin W. Moore

  • Microfluidic Devices for the High-Throughput Chemical Analysis of Cells

    Maxine A. McClain;Christopher T. Culbertson;Stephen C. Jacobson;Nancy L. Allbritton

  • Microfluidic devices for the controlled manipulation of small volumes

    J. Michael Ramsey;Stephen C. Jacobson

  • Microfluidic devices for electrokinetically driven parallel and serial mixing

    Stephen C. Jacobson;and Timothy E. McKnight;J. Michael Ramsey

  • Precolumn Reactions with Electrophoretic Analysis Integrated on a Microchip

    Stephen C. Jacobson;Roland. Hergenroder;Alvin W. Jr. Moore;J. Michael. Ramsey

  • Fused Quartz Substrates for Microchip Electrophoresis

    Stephen C. Jacobson;Alvin W. Moore;J. Michael. Ramsey

  • Integrated Microdevice for DNA Restriction Fragment Analysis

    S.C. Jacobson;J.M. Ramsey

  • Microchip Structures for Submillisecond Electrophoresis

    Stephen C. Jacobson;Christopher T. Culbertson;and Justin E. Daler;J. Michael Ramsey

  • Microfabricated chemical measurement systems

    J. Michael Ramsey;Stephen C. Jacobson;Michael R. Knapp

  • Microfabricated porous membrane structure for sample concentration and electrophoretic analysis.

    J Khandurina;S C Jacobson;L C Waters;R S Foote

  • Microchip Flow Cytometry Using Electrokinetic Focusing

    David P. Schrum;Christopher T. Culbertson;and Stephen C. Jacobson;J. Michael Ramsey

  • Microchip electrophoresis with sample stacking

    S C Jacobson;J M Ramsey

Frequent Co-Authors

Stephen C. Jacobson
Stephen C. Jacobson Indiana University
James W. Jorgenson
James W. Jorgenson University of North Carolina at Chapel Hill
Jörg Peter Kutter
Jörg Peter Kutter University of Copenhagen
Nancy L. Allbritton
Nancy L. Allbritton University of Washington
Robert P. Lucht
Robert P. Lucht Purdue University West Lafayette
Gary M. Hieftje
Gary M. Hieftje Indiana University
Raymond F. Gesteland
Raymond F. Gesteland University of Utah
An-Ping Li
An-Ping Li Oak Ridge National Laboratory
Michael Rubinstein
Michael Rubinstein Duke University
Stuart Lindsay
Stuart Lindsay Arizona State University

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