World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 68 445 402 208 175 234 16155
Materials Science 67 5106 4939 1340 1255 243 16334

W. Gregory Sawyer publications per year

The chart shows the history of publications by W. Gregory Sawyer between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. W. Gregory Sawyer published across 32 years, from 1994 to 2025, averaging 9.6 papers a year. Output peaked at 25 publications in 2005. 19 of the 306 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1994 to 2025. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2005. 1994: 1 publication 1995: 0 publications 1996: 0 publications 1997: 3 publications 1998: 2 publications 1999: 2 publications 2000: 1 publication 2001: 4 publications 2002: 1 publication 2003: 6 publications 2004: 9 publications 2005: 25 publications 2006: 10 publications 2007: 18 publications 2008: 22 publications 2009: 15 publications 2010: 15 publications 2011: 12 publications 2012: 14 publications 2013: 13 publications 2014: 12 publications 2015: 12 publications 2016: 17 publications 2017: 18 publications 2018: 11 publications 2019: 12 publications 2020: 4 publications 2021: 7 publications 2022: 7 publications 2023: 14 publications 2024: 10 publications 2025: 9 publications
1994 2025

306 publications in total across all disciplines

View publications per year as a table
W. Gregory Sawyer: publications per year, 1994 to 2025
Year Publications
1994 1
1995 0
1996 0
1997 3
1998 2
1999 2
2000 1
2001 4
2002 1
2003 6
2004 9
2005 25
2006 10
2007 18
2008 22
2009 15
2010 15
2011 12
2012 14
2013 13
2014 12
2015 12
2016 17
2017 18
2018 11
2019 12
2020 4
2021 7
2022 7
2023 14
2024 10
2025 9
Total 306
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W. Gregory Sawyer publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where W. Gregory Sawyer sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 227–236 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 234 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99 234
237–246 92
247–256 100
257–266 95
267–276 88
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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W. Gregory Sawyer D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where W. Gregory Sawyer sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 68 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 68 D-Index — 88th percentile

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

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23
67 29
68 24 68
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
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Research.com Recognitions

  • 2014 - Fellow, National Academy of Inventors

Overview

W. Gregory Sawyer is affiliated with the University of Florida in the United States and has contributed extensively to both medicine and engineering fields, with a publication record emphasizing biomedical engineering and oncology. Their research spans diverse subfields including immunology, molecular biology, and organic chemistry.

The scientist's main topics of work cover a range of areas related to biomedical innovation and cancer treatment, specifically:

  • 3D Printing in Biomedical Research
  • Immunotherapy and Immune Responses
  • CAR-T cell therapy research
  • Cancer Immunotherapy and Biomarkers
  • Viral Infectious Diseases and Gene Expression in Insects
  • Immune Cell Function and Interaction
  • Innovative Microfluidic and Catalytic Techniques Innovation

Recent publications highlight work in cancer immunotherapy, polymer synthesis, viral infection models, and cellular immunology. Notable papers include:

  • "RNA aggregates harness the danger response for potent cancer immunotherapy" (2024), published in Cell
  • "Inverse Miniemulsion Photoiniferter Polymerization for the Synthesis of Ultrahigh Molecular Weight Polymers" (2022), published in Macromolecules
  • "Ex vivo SARS-CoV-2 infection of human lung reveals heterogeneous host defense and therapeutic responses" (2021), published in JCI Insight
  • "CAR T Cell Locomotion in Solid Tumor Microenvironment" (2022), published in Cells
  • "Adult immuno-oncology: using past failures to inform the future" (2020), published in Neuro-Oncology

The scientist frequently publishes in venues such as:

  • Tribology Letters
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Cancer Research
  • Neuro-Oncology
  • Regular and Young Investigator Award Abstracts

Collaborations play a significant role in their research output, with frequent coauthors including:

  • Duy Nguyen
  • Diego I. Pedro
  • Alfonso Pepe
  • Ryan Smolchek
  • Elias Sayour

W. Gregory Sawyer was named a Fellow of the National Academy of Inventors in 2014, marking a recognition within their professional community.

Best Publications

  • Super-Compressible Foamlike Carbon Nanotube Films

    Anyuan Cao;Anyuan Cao;Anyuan Cao;Pamela L. Dickrell;Pamela L. Dickrell;Pamela L. Dickrell;W. Gregory Sawyer;W. Gregory Sawyer;W. Gregory Sawyer;Mehrdad N. Ghasemi-Nejhad;Mehrdad N. Ghasemi-Nejhad;Mehrdad N. Ghasemi-Nejhad

  • A study on the friction and wear behavior of PTFE filled with alumina nanoparticles

    W.Gregory Sawyer;Kevin D. Freudenberg;Praveen Bhimaraj;Linda S. Schadler

  • A Raman Spectroscopic Study of MoS2 and MoO3: Applications to Tribological Systems

    Unknown

  • Writing in the granular gel medium.

    Tapomoy Bhattacharjee;Steven M. Zehnder;Kyle G. Rowe;Suhani Jain

  • Polymer nanocomposites: A small part of the story

    L. S. Schadler;L. C. Brinson;W. G. Sawyer

  • A low friction and ultra low wear rate PEEK/PTFE composite

    David L. Burris;W. Gregory Sawyer

  • Meeting the Contact-Mechanics Challenge

    Martin H. Müser;Wolf B. Dapp;Romain Bugnicourt;Romain Bugnicourt;Philippe Sainsot

  • PTFE Tribology and the Role of Mechanochemistry in the Development of Protective Surface Films

    Kathryn L. Harris;Angela A. Pitenis;W. Gregory Sawyer;Brandon A. Krick

  • Improved wear resistance in alumina-PTFE nanocomposites with irregular shaped nanoparticles

    David L. Burris;W. Gregory Sawyer

  • Lyapunov-Based Tracking Control in the Presence of Uncertain Nonlinear Parameterizable Friction

    C. Makkar;G. Hu;W.G. Sawyer;W.E. Dixon

  • Polymeric Nanocomposites for Tribological Applications

    David L. Burris;Benjamin Boesl;Gerald R. Bourne;W. Gregory Sawyer

  • Self-assembled micro-organogels for 3D printing silicone structures

    Christopher S. O’Bryan;Tapomoy Bhattacharjee;Samuel Hart;Christopher P. Kabb

  • Origin of ultralow friction and wear in ultrananocrystalline diamond

    Andrew R. Konicek;D. S. Grierson;P.U.P.A. Gilbert;W. G. Sawyer

  • Influence of surface passivation on the friction and wear behavior of ultrananocrystalline diamond and tetrahedral amorphous carbon thin films

    Andrew Konicek;D. S Grierson;A. Sumant;T. A Friedmann

  • Computational wear prediction of a total knee replacement from in vivo kinematics

    Benjamin J. Fregly;W.Gregory Sawyer;Melinda K. Harman;Scott A. Banks

  • Optical In Situ Micro Tribometer for Analysis of Real Contact Area for Contact Mechanics, Adhesion, and Sliding Experiments

    Brandon A. Krick;Jennifer R. Vail;Bo N. J. Persson;W. Gregory Sawyer

  • Analysis of planar multibody systems with revolute joint wear

    Saad Mukras;Nam H. Kim;Nathan A. Mauntler;Tony L. Schmitz

  • Environmental dependence of ultra-low wear behavior of polytetrafluoroethylene (PTFE) and alumina composites suggests tribochemical mechanisms

    Brandon A. Krick;Jeffrey J. Ewin;Gregory S. Blackman;Christopher P. Junk

  • Shrink fit tool holder connection stiffness/damping modeling for frequency response prediction in milling

    Tony L. Schmitz;Kevin Powell;Dongki Won;G. Scott Duncan

  • Finite element analysis and experiments of metal/metal wear in oscillatory contacts

    Nam Ho Kim;Dongki Won;David Burris;Brian Holtkamp

  • The Difficulty of Measuring Low Friction: Uncertainty Analysis for Friction Coefficient Measurements

    Tony L. Schmitz;Jason E. Action;John C. Ziegert;W. Gregory Sawyer

Frequent Co-Authors

David L. Burris
David L. Burris University of Delaware
Tony L. Schmitz
Tony L. Schmitz University of Tennessee at Knoxville
Susan B. Sinnott
Susan B. Sinnott Pennsylvania State University
Simon R. Phillpot
Simon R. Phillpot University of Florida
Nam H. Kim
Nam H. Kim University of Florida
Linda S. Schadler
Linda S. Schadler University of Vermont
Benjamin J. Fregly
Benjamin J. Fregly Rice University
Pulickel M. Ajayan
Pulickel M. Ajayan Rice University
Scott A. Banks
Scott A. Banks University of Florida
Xiao-Ming Chen
Xiao-Ming Chen Sun Yat-sen University

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