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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 108 878 777 45 41 628 39786

David Smith publications per year

The chart shows the history of publications by David Smith between 1962 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David Smith published across 65 years, from 1962 to 2026, averaging 18.6 papers a year. Output peaked at 49 publications in 2020. 9 of the 1,210 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1962 to 2026. Vertical axis: number of publications, 0 to 49. Peak 49 publications in 2020. 1962: 1 publication 1963: 0 publications 1964: 1 publication 1965: 2 publications 1966: 3 publications 1967: 4 publications 1968: 12 publications 1969: 5 publications 1970: 6 publications 1971: 3 publications 1972: 7 publications 1973: 10 publications 1974: 14 publications 1975: 10 publications 1976: 6 publications 1977: 11 publications 1978: 11 publications 1979: 15 publications 1980: 15 publications 1981: 13 publications 1982: 16 publications 1983: 10 publications 1984: 25 publications 1985: 18 publications 1986: 18 publications 1987: 23 publications 1988: 19 publications 1989: 14 publications 1990: 24 publications 1991: 16 publications 1992: 13 publications 1993: 22 publications 1994: 18 publications 1995: 14 publications 1996: 12 publications 1997: 20 publications 1998: 19 publications 1999: 27 publications 2000: 17 publications 2001: 27 publications 2002: 27 publications 2003: 29 publications 2004: 30 publications 2005: 34 publications 2006: 32 publications 2007: 20 publications 2008: 33 publications 2009: 32 publications 2010: 22 publications 2011: 35 publications 2012: 37 publications 2013: 36 publications 2014: 38 publications 2015: 35 publications 2016: 33 publications 2017: 37 publications 2018: 43 publications 2019: 27 publications 2020: 49 publications 2021: 32 publications 2022: 5 publications 2023: 10 publications 2024: 4 publications 2025: 6 publications 2026: 3 publications
1962 2026

1,210 publications in total across all disciplines

View publications per year as a table
David Smith: publications per year, 1962 to 2026
Year Publications
1962 1
1963 0
1964 1
1965 2
1966 3
1967 4
1968 12
1969 5
1970 6
1971 3
1972 7
1973 10
1974 14
1975 10
1976 6
1977 11
1978 11
1979 15
1980 15
1981 13
1982 16
1983 10
1984 25
1985 18
1986 18
1987 23
1988 19
1989 14
1990 24
1991 16
1992 13
1993 22
1994 18
1995 14
1996 12
1997 20
1998 19
1999 27
2000 17
2001 27
2002 27
2003 29
2004 30
2005 34
2006 32
2007 20
2008 33
2009 32
2010 22
2011 35
2012 37
2013 36
2014 38
2015 35
2016 33
2017 37
2018 43
2019 27
2020 49
2021 32
2022 5
2023 10
2024 4
2025 6
2026 3
Total 1,210
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David Smith 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 David Smith 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, 621–640 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: 628 publications — 94th percentile

94% 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
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
621–640 104 628
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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David Smith 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 David Smith 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, 108–109 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: 108 D-Index — 95th percentile

95% 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
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 68 108
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

David Smith is affiliated with the University of Oxford in the United Kingdom. Their research primarily spans the fields of Chemistry and Engineering, with a significant focus on spectroscopy and biomedical engineering. Additional areas of study include ecology, evolution, behavior, systematics, global and planetary change, and plant science.

The scientist's work encompasses a broad range of topics centered around advanced chemical sensor technologies, mass spectrometry techniques and applications, and analytical chemistry and chromatography. Their research also touches on plant and animal studies, nuts composition and effects, plant and fungal interactions, and horticultural and viticultural research.

Recent publications by David Smith include:

  • Recent developments and applications of selected ion flow tube mass spectrometry (SIFT-MS), 2023, Mass Spectrometry Reviews
  • Understanding Gas Phase Ion Chemistry Is the Key to Reliable Selected Ion Flow Tube-Mass Spectrometry Analyses, 2020, Analytical Chemistry

David Smith frequently collaborates with several coauthors, including Patrik Španěl, Kseniya Dryahina, Shawn A. Mehlenbacher, Murray J. McEwan, and Miroslav Polášek.

The scientist has contributed to multiple publications in several venues, notably:

  • Rapid Communications in Mass Spectrometry
  • Annals of Oncology
  • International Journal of Mass Spectrometry
  • Acta Horticulturae
  • Mass Spectrometry Reviews

Best Publications

  • Potential role of intratumor bacteria in mediating tumor resistance to the chemotherapeutic drug gemcitabine.

    Leore T. Geller;Michal Barzily-Rokni;Tal Danino;Oliver H. Jonas;Oliver H. Jonas

  • Selected ion flow tube mass spectrometry (SIFT-MS) for on-line trace gas analysis

    David Smith;Patrik Španěl

  • THE ION CHEMISTRY OF INTERSTELLAR CLOUDS

    David Smith

  • The selected ion flow tube (SIFT); A technique for studying ion-neutral reactions

    N.G. Adams;D. Smith

  • Control of oxidative metabolism and oxygen delivery in human skeletal muscle: a steady-state analysis of the work/energy cost transfer function

    B Chance;Jr Js Leigh;BJ Clark;J Maris

  • Quantitative analysis of ammonia on the breath of patients in end-stage renal failure.

    Simon Davies;Patrik Spanel;David Smith

  • A longitudinal study of ammonia, acetone and propanol in the exhaled breath of 30 subjects using selected ion flow tube mass spectrometry, SIFT-MS.

    Claire Turner;Patrik Spanel;David Smith

  • CARBOHYDRATE MOVEMENT FROM AUTOTROPHS TO HETEROTROPHS IN PARASITIC and MUTUALISTIC SYMBIOSIS

    David Smith;Leonard Muscatine;David Lewis

  • Progress in SIFT-MS: breath analysis and other applications.

    Patrik Španěl;David Smith

  • A laboratory study of the reactions of N+, N2+, N3+, N4+, O+, O2+, and NO+ ions with several molecules at 300 K

    D. Smith;N. G. Adams;T. M. Miller

  • Polarization spectroscopy of a closed atomic transition: applications to laser frequency locking

    C P Pearman;C S Adams;S G Cox;P F Griffin

  • Grain boundary structure and properties

    G. A. Chadwick;David A. Smith

  • Time variation of ammonia, acetone, isoprene and ethanol in breath: a quantitative SIFT-MS study over 30 days.

    Ann M. Diskin;Patrik Spanel;David Smith

  • Breath analysis for clinical diagnosis and therapeutic monitoring

    Anton Amann;David Smith

  • The Selected Ion Flow Tube (Sift): Studies of Ion-Neutral Reactions

    D. Smith;N.G. Adams

  • Selected ion flow tube studies of the reactions of H3O+, NO+, and O2+ with several aromatic and aliphatic hydrocarbons

    Patrik Španěl;David Smith

  • SIFT studies of the reactions of H3O+, NO+ and O2+ with a series of aldehydes and ketones

    Patrik Španěl;Yufeng Ji;David Smith

  • SIFT studies of the reactions of H3O+, NO+ and O2+ with a series of alcohols

    Patrik Spanel;David Smith

  • Kinetic energy, temperature, and derived rotational temperature dependences for the reactions of Kr+(2P3/2) and Ar+ with HCl

    A. A. Viggiano;Robert A. Morris;Fred Dale;John F. Paulson

  • On the absorption of dislocations by grain boundaries

    R. C. Pond;D. A. Smith

Frequent Co-Authors

Nigel G. Adams
Nigel G. Adams University of Georgia
Patrik Španěl
Patrik Španěl Czech Academy of Sciences
Frances M. Platt
Frances M. Platt University of Oxford
David L. Gally
David L. Gally University of Edinburgh
Andrew J. Roe
Andrew J. Roe University of Glasgow
Andrew S. Wilson
Andrew S. Wilson University of Maryland, College Park
Anton Amann
Anton Amann Innsbruck Medical University
Chris Done
Chris Done Durham University
Tom N. McNeilly
Tom N. McNeilly Moredun Research Institute
King-Ning Tu
King-Ning Tu City University of Hong Kong

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