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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 86 2566 2316 897 753 393 24775

Gary E. Maciel publications per year

The chart shows the history of publications by Gary E. Maciel between 1960 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gary E. Maciel published across 67 years, from 1960 to 2026, averaging 6 papers a year. Output peaked at 25 publications in 1982. 1 of the 399 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1960 to 2026. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 1982. 1960: 1 publication 1961: 1 publication 1962: 1 publication 1963: 1 publication 1964: 5 publications 1965: 10 publications 1966: 3 publications 1967: 1 publication 1968: 1 publication 1969: 3 publications 1970: 11 publications 1971: 14 publications 1972: 15 publications 1973: 15 publications 1974: 5 publications 1975: 4 publications 1976: 4 publications 1977: 5 publications 1978: 1 publication 1979: 7 publications 1980: 4 publications 1981: 13 publications 1982: 25 publications 1983: 21 publications 1984: 22 publications 1985: 10 publications 1986: 10 publications 1987: 13 publications 1988: 8 publications 1989: 11 publications 1990: 11 publications 1991: 15 publications 1992: 13 publications 1993: 15 publications 1994: 22 publications 1995: 12 publications 1996: 9 publications 1997: 8 publications 1998: 3 publications 1999: 12 publications 2000: 3 publications 2001: 1 publication 2002: 4 publications 2003: 1 publication 2004: 3 publications 2005: 2 publications 2006: 6 publications 2007: 3 publications 2008: 3 publications 2009: 1 publication 2010: 1 publication 2011: 2 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 2 publications 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 0 publications 2025: 0 publications 2026: 1 publication
1960 2026

399 publications in total across all disciplines

View publications per year as a table
Gary E. Maciel: publications per year, 1960 to 2026
Year Publications
1960 1
1961 1
1962 1
1963 1
1964 5
1965 10
1966 3
1967 1
1968 1
1969 3
1970 11
1971 14
1972 15
1973 15
1974 5
1975 4
1976 4
1977 5
1978 1
1979 7
1980 4
1981 13
1982 25
1983 21
1984 22
1985 10
1986 10
1987 13
1988 8
1989 11
1990 11
1991 15
1992 13
1993 15
1994 22
1995 12
1996 9
1997 8
1998 3
1999 12
2000 3
2001 1
2002 4
2003 1
2004 3
2005 2
2006 6
2007 3
2008 3
2009 1
2010 1
2011 2
2012 1
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 0
2020 2
2021 0
2022 0
2023 0
2024 0
2025 0
2026 1
Total 399
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Gary E. Maciel 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 Gary E. Maciel sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 381–400 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 393 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459 393
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Gary E. Maciel 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 Gary E. Maciel sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 86–87 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 86 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254 86
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Gary E. Maciel is affiliated with Colorado State University in the United States. Their academic work, based on available data, reflects an ongoing engagement with the scientific community through affiliation with a recognized research institution.

There are no recent published papers, co-authors, or frequent publication venues listed in the available data. Similarly, there are no recorded book publications, making it difficult to specify the detailed scope or disciplinary focus from their publishing history alone.

The profile does not contain specific information about the main fields or subfields of study associated with Gary E. Maciel, nor any identified main topics of work. This absence of detailed subject data limits the ability to outline precise research themes, methodologies, or areas of specialization.

No awards or honors have been recorded for Gary E. Maciel in the provided data. This profile reflects solely verifiable affiliation information and the absence of additional academic output or recognition in the sourced dataset.

Best Publications

  • Metal Oxide Surfaces and Their Interactions with Aqueous Solutions and Microbial Organisms.

    Gordon E. Brown;Victor E. Henrich;William H. Casey;David L. Clark

  • Silicon-29 NMR study of the surface of silica gel by cross polarization and magic-angle spinning

    Gary E. Maciel;Dean W. Sindorf

  • Silicon-29 NMR study of dehydrated/rehydrated silica gel using cross polarization and magic-angle spinning

    Dean W. Sindorf;Gary E. Maciel

  • Observation of spin exchange by two-dimensional fourier transform 13C cross polarization-magic-angle spinning

    Nikolaus M Szeverenyi;Mark J Sullivan;Gary E Maciel

  • Cross-polarization magic-angle-spinning silicon-29 nuclear magnetic resonance study of silica gel using trimethylsilane bonding as a probe of surface geometry and reactivity

    Dean W. Sindorf;Gary E. Maciel

  • Structural characterization of (3-aminopropyl)triethoxysilane-modified silicas by silicon-29 and carbon-13 nuclear magnetic resonance

    G. Stephen. Caravajal;Donald E. Leyden;Gregory R. Quinting;Gary E. Maciel

  • SOLID‐STATE NMR STUDIES OF THE REACTIONS OF SILICA SURFACES WITH POLYFUNCTIONAL CHLOROMETHYLSILANES AND ETHOXYMETHYLSILANES

    Dean W. Sindorf;Gary E. Maciel

  • Proton NMR study of dehydration of the silica gel surface

    Charles E. Bronnimann;Robert C. Zeigler;Gary E. Maciel

  • Aromaticity of Humic Substances in Soils1

    Patrick G. Hatcher;Morris Schnitzer;Larry W. Dennis;Gary E. Maciel

  • The Fumed Silica Surface: A Study by NMR

    Changhua C. Liu† and;Gary E. Maciel

  • A Detailed Model of Local Structure and Silanol Hydrogen Bonding of Silica Gel Surfaces

    I-Ssuer Chuang and;Gary E. Maciel

  • Carbon-13 NMR spectra of cellulose polymorphs

    Unknown

  • Setting the magic angle using a quadrupolar nuclide

    James S Frye;Gary E Maciel

  • Selective preservation and origin of petroleum-forming aquatic kerogen

    Patrick G. Hatcher;Elliott C. Spiker;Nikolaus M. Szeverenyi;Gary E. Maciel

  • Silicon-29 CP/MAS NMR studies of methylchlorosilane reactions on silica gel

    Dean W. Sindorf;Gary E. Maciel

  • Correlation of Isotropic Shifts and Chemical Shift Anisotropies by Two-Dimensional Fourier-Transform Magic-Angle Hopping NMR Spectroscopy

    Ad Bax;Nikolaus M Szeverenyi;Gary E Maciel

  • Water and the silica surface as studied by variable-temperature high-resolution proton NMR

    David R. Kinney;I Ssuer Chuang;Gary E. Maciel

  • Approximate self-consistent molecular orbital theory of nuclear spin coupling. I. Directly bonded carbon-hydrogen coupling constants

    G. E. Maciel;J. W. McIver;N. S. Ostlund;J. A. Pople

  • Carbon-13 nuclear magnetic resonance spectrometry with cross polarization and magic-angle spinning for analysis of lodgepole pine wood

    Waclaw. Kolodziejski;James S. Frye;Gary E. Maciel

  • Chemical shift anisotropy in powdered solids studied by 2D FT NMR with flipping of the spinning axis

    Ad Bax;Nikolaus M Szeverenyi;Gary E Maciel

  • PROBING HYDROGEN BONDING AND THE LOCAL ENVIRONMENT OF SILANOLS ON SILICA SURFACES VIA NUCLEAR SPIN CROSS POLARIZATION DYNAMICS

    I-Ssuer Chuang and;Gary E. Maciel

Frequent Co-Authors

Mark F. Davis
Mark F. Davis National Renewable Energy Laboratory
Patrick G. Hatcher
Patrick G. Hatcher Old Dominion University
Ad Bax
Ad Bax National Institutes of Health
James F. Haw
James F. Haw University of Southern California
Harry C. Dorn
Harry C. Dorn Virginia Tech
Paul D. Ellis
Paul D. Ellis Doty Scientific (United States)
Joseph J. H. Ackerman
Joseph J. H. Ackerman Washington University in St. Louis
William H. Orem
William H. Orem United States Geological Survey
Robert H. Doremus
Robert H. Doremus Rensselaer Polytechnic Institute
Bruce A. Parkinson
Bruce A. Parkinson University of Wyoming

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