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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 47 15680 14143 272 243 171 7614

Thomas Kraemer publications per year

The chart shows the history of publications by Thomas Kraemer between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thomas Kraemer published across 40 years, from 1986 to 2025, averaging 5.7 papers a year. Output peaked at 19 publications in 2019. 16 of the 227 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 19. Peak 19 publications in 2019. 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 2 publications 1995: 0 publications 1996: 1 publication 1997: 3 publications 1998: 3 publications 1999: 0 publications 2000: 5 publications 2001: 3 publications 2002: 9 publications 2003: 8 publications 2004: 8 publications 2005: 3 publications 2006: 0 publications 2007: 4 publications 2008: 3 publications 2009: 0 publications 2010: 0 publications 2011: 3 publications 2012: 9 publications 2013: 5 publications 2014: 15 publications 2015: 11 publications 2016: 17 publications 2017: 12 publications 2018: 15 publications 2019: 19 publications 2020: 12 publications 2021: 15 publications 2022: 13 publications 2023: 11 publications 2024: 7 publications 2025: 9 publications
1986 2025

227 publications in total across all disciplines

View publications per year as a table
Thomas Kraemer: publications per year, 1986 to 2025
Year Publications
1986 1
1987 0
1988 0
1989 0
1990 0
1991 0
1992 1
1993 0
1994 2
1995 0
1996 1
1997 3
1998 3
1999 0
2000 5
2001 3
2002 9
2003 8
2004 8
2005 3
2006 0
2007 4
2008 3
2009 0
2010 0
2011 3
2012 9
2013 5
2014 15
2015 11
2016 17
2017 12
2018 15
2019 19
2020 12
2021 15
2022 13
2023 11
2024 7
2025 9
Total 227
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Thomas Kraemer 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 Thomas Kraemer 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, 161–180 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: 171 publications — 22nd percentile

22% 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 1,350 171
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
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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Thomas Kraemer 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 Thomas Kraemer 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, 46–47 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: 47 D-Index — 14th percentile

14% 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 47
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
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

Thomas Kraemer is affiliated with the University of Zurich in Switzerland. Their research spans multiple disciplines primarily within Medicine and Biochemistry, Genetics and Molecular Biology. The scientist has contributed extensively to fields including Molecular Biology, Toxicology, Spectroscopy, Pathology and Forensic Medicine, and Clinical Psychology.

Their work covers a variety of topics with a focus on Forensic Toxicology and Drug Analysis, with 54 publications, alongside Metabolomics and Mass Spectrometry Studies, represented in 52 publications. Other research interests include Psychedelics and Drug Studies, Alcohol Consumption and Health Effects, Hormonal and Reproductive Studies, Mass Spectrometry Techniques and Applications, and Acute Ischemic Stroke Management.

Kraemer has published notable research papers, including:

  • Effect of Intravenous Tenecteplase Dose on Cerebral Reperfusion Before Thrombectomy in Patients With Large Vessel Occlusion Ischemic Stroke, 2020, JAMA
  • Simultaneous quantification of steroid hormones and endocannabinoids (ECs) in human hair using an automated supported liquid extraction (SLE) and LC-MS/MS - Insights into EC baseline values and correlation to steroid concentrations, 2020, Talanta
  • Utility of the Hospital Frailty Risk Score Derived From Administrative Data and the Association With Stroke Outcomes, 2021, Stroke
  • Zebrafish early life stages as alternative model to study 'designer drugs': Concordance with mammals in response to opioids, 2021, Toxicology and Applied Pharmacology
  • A Comprehensive Multi-Analyte Method for Hair Analysis: Substance-Specific Quantification Ranges and Tool for Task-Oriented Data Evaluation, 2020, Journal of Analytical Toxicology

Kraemer's frequent coauthors include:

  • Andrea E. Steuer
  • Markus R. Baumgartner
  • Tina M. Binz
  • Lana Brockbals
  • Clarissa D. Voegel

Their research has appeared in several publication venues, with the highest number of contributions in:

  • Drug Testing and Analysis (10 publications)
  • Journal of Analytical Toxicology (5 publications)
  • Metabolites (5 publications)
  • Analytical Chemistry (4 publications)
  • Annales de Toxicologie Analytique (4 publications)

Kraemer's studies involve a range of analytical and clinical approaches, often focusing on refining and applying mass spectrometry techniques for toxicological and metabolomic analysis. Their research has implications in clinical settings, particularly in the management of ischemic stroke and in forensic applications related to drug detection and quantification.

Best Publications

  • Titanium dioxide nanoparticles exacerbate DSS-induced colitis: role of the NLRP3 inflammasome

    Pedro A Ruiz;Belen Morón;Helen M Becker;Silvia Lang

  • Toxicokinetics of amphetamines: metabolism and toxicokinetic data of designer drugs, amphetamine, methamphetamine, and their N-alkyl derivatives.

    Thomas Kraemer;Hans H Maurer

  • Toxicokinetics and analytical toxicology of amphetamine-derived designer drugs ('Ecstasy').

    Hans H Maurer;Joerg Bickeboeller-Friedrich;Thomas Kraemer;Frank T Peters

  • Determination of amphetamine, methamphetamine and amphetamine-derived designer drugs or medicaments in blood and urine

    Thomas Kraemer;Hans H Maurer

  • Screening for and validated quantification of amphetamines and of amphetamine- and piperazine-derived designer drugs in human blood plasma by gas chromatography/mass spectrometry.

    Frank T. Peters;Simone Schaefer;Roland F. Staack;Thomas Kraemer

  • Screening, library-assisted identification and validated quantification of 23 benzodiazepines, flumazenil, zaleplone, zolpidem and zopiclone in plasma by liquid chromatography/mass spectrometry with atmospheric pressure chemical ionization

    Carsten Kratzsch;Oliver Tenberken;Frank T. Peters;Armin A. Weber

  • Chemistry, pharmacology, toxicology, and hepatic metabolism of designer drugs of the amphetamine (ecstasy), piperazine, and pyrrolidinophenone types: a synopsis.

    Hans H Maurer;Thomas Kraemer;Dietmar Springer;Roland F Staack

  • Determination of drugs of abuse in blood

    Manfred R Moeller;Stefan Steinmeyer;Thomas Kraemer

  • Liquid chromatography, in combination with a quadrupole time-of-flight instrument (LC QTOF), with sequential window acquisition of all theoretical fragment-ion spectra (SWATH) acquisition: systematic studies on its use for screenings in clinical and forensic toxicology and comparison with information-dependent acquisition (IDA).

    Andreas T Roemmelt;Andrea E Steuer;Michael Poetzsch;Thomas Kraemer

  • Screening, library-assisted identification and validated quantification of fifteen neuroleptics and three of their metabolites in plasma by liquid chromatography/mass spectrometry with atmospheric pressure chemical ionization.

    Carsten Kratzsch;Frank T. Peters;Thomas Kraemer;Armin A. Weber

  • Screening, library-assisted identification and validated quantification of oral antidiabetics of the sulfonylurea-type in plasma by atmospheric pressure chemical ionization liquid chromatography–mass spectrometry

    Hans H Maurer;Carsten Kratzsch;Thomas Kraemer;Frank T Peters

  • Metabolomic Strategies in Biomarker Research-New Approach for Indirect Identification of Drug Consumption and Sample Manipulation in Clinical and Forensic Toxicology?

    Andrea E. Steuer;Lana Brockbals;Thomas Kraemer

  • Bioanalytical procedures for determination of drugs of abuse in blood

    Thomas Kraemer;Liane D. Paul

  • Validated electrospray liquid chromatographic–mass spectrometric assay for the determination of the mushroom toxins α- and β-amanitin in urine after immunoaffinity extraction

    Hans H Maurer;Christian J Schmitt;Armin A Weber;Thomas Kraemer

  • Detection and validated quantification of toxic alkaloids in human blood plasma—comparison of LC-APCI-MS with LC-ESI-MS/MS

    Jochen Beyer;Frank T. Peters;Thomas Kraemer;Hans H. Maurer

  • Single Hair Cocaine Consumption Monitoring by Mass Spectrometric Imaging

    Tiffany Porta;Chantal Grivet;Thomas Kraemer;Emmanuel Varesio

  • Toxicological detection of selegiline and its metabolites in urine using fluorescence polarization immunoassay (FPIA) and gas chromatography-mass spectrometry (GC-MS) and differentiation by enantioselective GC-MS of the intake of selegiline from abuse of methamphetamine or amphetamine

    Hans H. Maurer;Thomas Kraemer

  • Drug testing in blood: validated negative-ion chemical ionization gas chromatographic-mass spectrometric assay for determination of amphetamine and methamphetamine enantiomers and its application to toxicology cases.

    Frank T. Peters;Thomas Kraemer;Hans H. Maurer

  • Detection and validated quantification of 21 benzodiazepines and 3 "z-drugs" in human hair by LC-MS/MS.

    Kristina Y. Rust;Markus R. Baumgartner;Natascha Meggiolaro;Thomas Kraemer

  • Detection and validated quantification of nine herbal phenalkylamines and methcathinone in human blood plasma by LC‐MS/MS with electrospray ionization

    Jochen Beyer;Frank T. Peters;Thomas Kraemer;Hans H. Maurer

Frequent Co-Authors

Hans H. Maurer
Hans H. Maurer Saarland University
Boris B. Quednow
Boris B. Quednow University of Zurich
Erich Seifritz
Erich Seifritz University of Zurich
Kristin Schirmer
Kristin Schirmer Swiss Federal Institute of Aquatic Science and Technology
Michael J. Thali
Michael J. Thali University of Zurich
Hanspeter Naegeli
Hanspeter Naegeli University of Zurich
Gerhard Rogler
Gerhard Rogler University of Zurich
Hans-Peter Landolt
Hans-Peter Landolt University of Zurich
Chaitan Khosla
Chaitan Khosla Stanford University
Wim J. Riedel
Wim J. Riedel Maastricht University

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