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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 59 10109 9140 268 235 197 12796

John K. G. Kramer publications per year

The chart shows the history of publications by John K. G. Kramer between 1964 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John K. G. Kramer published across 62 years, from 1964 to 2025, averaging 4.1 papers a year. Output peaked at 11 publications in 2012. 8 of the 257 publications appeared in the last two years.

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

257 publications in total across all disciplines

View publications per year as a table
John K. G. Kramer: publications per year, 1964 to 2025
Year Publications
1964 1
1965 0
1966 0
1967 0
1968 1
1969 1
1970 1
1971 2
1972 2
1973 3
1974 0
1975 6
1976 3
1977 10
1978 6
1979 3
1980 5
1981 2
1982 3
1983 9
1984 2
1985 6
1986 4
1987 4
1988 6
1989 6
1990 6
1991 5
1992 2
1993 1
1994 3
1995 1
1996 1
1997 5
1998 7
1999 10
2000 1
2001 6
2002 2
2003 3
2004 8
2005 1
2006 10
2007 9
2008 7
2009 6
2010 9
2011 10
2012 11
2013 6
2014 10
2015 5
2016 3
2017 5
2018 3
2019 0
2020 2
2021 2
2022 1
2023 2
2024 5
2025 3
Total 257
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John K. G. Kramer 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 John K. G. Kramer 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, 181–200 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: 197 publications — 31st percentile

31% 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 1,344 197
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
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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John K. G. Kramer 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 John K. G. Kramer 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, 58–59 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: 59 D-Index — 44th percentile

44% 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 59
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
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

John K. G. Kramer is affiliated with Agriculture and Agriculture-Food Canada in Canada. Their research contributions are situated within the context of Canadian agricultural and agri-food sectors.

While there are no listed publications, co-authors, or detailed topics associated with their work, their involvement with Agriculture and Agriculture-Food Canada suggests a focus on aspects relevant to agriculture, food production, and potentially policies or innovations in these areas.

No data on specific fields of study, subfields, or frequent publication venues has been documented for John K. G. Kramer. Similarly, there is no information about recent papers, book publications, or awards received.

The information available presents John K. G. Kramer as a researcher connected to a government institution involved in agricultural sciences, which typically encompasses research on crop science, sustainable agricultural practices, food safety, and agri-food system development.

Best Publications

  • Evaluating acid and base catalysts in the methylation of milk and rumen fatty acids with special emphasis on conjugated dienes and total trans fatty acids

    John K. G. Kramer;Vivek Fellner;Michael E. R. Dugan;Frank D. Sauer

  • Combining results of two GC separations partly achieves determination of all cis and trans 16:1, 18:1, 18:2 and 18:3 except CLA isomers of milk fat as demonstrated using Ag-ion SPE fractionation.

    John K. G. Kramer;Marta Hernandez;Cristina Cruz-Hernandez;Jana Kraft

  • The effect of conjugated linoleic acid on fat to lean repartitioning and feed conversion in pigs

    M. E. R. Dugan;J. L. Aalhus;A. L. Schaefer;J. K. G. Kramer

  • Methods for analysis of conjugated linoleic acids and trans-18:1 isomers in dairy fats by using a combination of gas chromatography, silver-ion thin-layer chromatography/gas chromatography, and silver-ion liquid chromatography.

    Cristina Cruz-Hernandez;Zeyuan Deng;Jianqiang Zhou;Arthur R Hill

  • Distributions of conjugated linoleic acid (CLA) isomers in tissue lipid classes of pigs fed a commercial CLA mixture determined by gas chromatography and silver ion-high-performance liquid chromatography.

    John K. G. Kramer;Najibullah Sehat;Michael E. R. Dugan;Magdi M. Mossoba

  • Methane output and lactation response in Holstein cattle with monensin or unsaturated fat added to the diet

    F. D. Sauer;V. Fellner;R. Kinsman;J.K.G. Kramer

  • Rumenic acid: A proposed common name for the major conjugated linoleic acid isomer found in natural products

    John K. G. Kramer;Peter W. Parodi;Robert G. Jensen;Magdi M. Mossoba

  • Analysis of conjugated linoleic acid and trans 18:1 isomers in synthetic and animal products

    John K G Kramer;Cristina Cruz-Hernandez;Zeyuan Deng;Jianqiang Zhou

  • Improved separation of conjugated fatty acid methyl esters by silver ion-high-performance liquid chromatography.

    Najibullah Sehat;Rainer Rickert;Magdi M. Mossoba;John K. G. Kramer

  • A new conjugated linoleic acid isomer, 7 trans, 9 cis-octadecadienoic acid, in cow milk, cheese, beef and human milk and adipose tissue

    Martin P. Yurawecz;John A. G. Roach;Najibullah Sehat;Magdi M. Mossoba

  • Silver-ion high-performance liquid chromatographic separation and identification of conjugated linoleic acid isomers

    Unknown

  • The effects of feeding conjugated linoleic acid on subsequent pork quality

    M. E. R. Dugan;J. L. Aalhus;L. E. Jeremiah;J. K. G. Kramer

  • Evaluation of two GC columns (60-m SUPELCOWAX 10 and 100-m CP Sil 88) for analysis of milkfat with emphasis on CLA, 18:1, 18:2 and 18:3 isomers, and short- and long-chain FA.

    John K. G. Kramer;C. Brian Blackadar;Jianqiang Zhou

  • Fatty acid profiles, tocopherol contents, and antioxidant activities of heartnut (Juglans ailanthifolia Var. cordiformis) and Persian walnut (Juglans regia L.).

    Li Li;Rong Tsao;Raymond Yang;John K G Kramer

  • Effect of nigericin, monensin, and tetronasin on biohydrogenation in continuous flow-through ruminal fermenters.

    V. Fellner;F.D. Sauer;J.K.G. Kramer

  • Evaluating the conjugated linoleic acid and trans 18:1 isomers in milk fat of dairy cows fed increasing amounts of sunflower oil and a constant level of fish oil.

    C. Cruz-Hernandez;J.K.G. Kramer;J.J. Kennelly;D.R. Glimm

  • Identification of conjugated linoleic acid isomers in cheese by gas chromatography, silver ion high performance liquid chromatography and mass spectral reconstructed ion profiles. Comparison of chromatographic elution sequences

    Unknown

  • Conjugated linoleic acid and octadecenoic acids: Extraction and isolation of lipids

    John K. G. Kramer;Jianqiang Zhou

  • Separation characteristics of fatty acid methyl esters using SLB-IL111, a new ionic liquid coated capillary gas chromatographic column.

    Pierluigi Delmonte;Ali-Reza Fardin Kia;John K.G. Kramer;Magdi M. Mossoba

  • Chromatographic separation and identification of conjugated linoleic acid isomers

    John A.G Roach;Magdi M Mossoba;M.Peter Yurawecz;John K.G Kramer

  • Conjugated linoleic acids and octadecenoic acids: Analysis by GC

    John K. G. Kramer;Cristina Cruz-Hernandez;Jianqiang Zhou

  • Preparation, separation, and confirmation of the eight geometrical cis/trans conjugated linoleic acid isomers 8,10-through 11,13–18∶2

    Klaus Eulitz;Martin P. Yurawecz;Najibullah Sehat;Jan Fritsche

Frequent Co-Authors

Michael E. R. Dugan
Michael E. R. Dugan Agriculture and Agriculture-Food Canada
Jennifer L. Aalhus
Jennifer L. Aalhus Agriculture and Agriculture-Food Canada
Hans Steinhart
Hans Steinhart Ludwig-Maximilians-Universität München
Tim A. McAllister
Tim A. McAllister Agriculture and Agriculture-Food Canada
Gerhard Jahreis
Gerhard Jahreis Friedrich Schiller University Jena
Zeyuan Deng
Zeyuan Deng Nanchang University
John J. Kennelly
John J. Kennelly University of Alberta
Stuart M. Phillips
Stuart M. Phillips McMaster University
C. F. M. de Lange
C. F. M. de Lange University of Guelph
J.J. Murphy
J.J. Murphy Teagasc - The Irish Agriculture and Food Development Authority

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