Citation Rankings
Highly Cited Researchers

Natural Sciences / Chemical Sciences Highly Cited Researchers 59 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Canada
Chao Jun Li
Green Chemistry
Organic Synthesis
Catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,467
19,288
0.290
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Canada
Tomislav Friscic
Green Chemistry
Mechanochemistry
Solid-state reactivity
Crystal Engineering
Materials Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,399
16,257
0.502
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Canada
Derek G Gray
Cellulose nanomaterials
chiral nematic suspensions and films of cellulose nanocrystals
lignocellulosic materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,323
7,939
0.280
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Canada
Christopher J Barrett
Polymer Chemistry
Materials Science
PhotoChemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,286
3,748
0.245
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Canada
Theo GM Van De Ven
cellulose chemistry
colloid chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,024
4,589
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Canada
Ian S Butler
inorganic chemistry
organometallic chemistry
molecular spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,558
3,467
0.256
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Canada
Masad J Damha
XNA/DNA/RNA Synthesis
Gene Silencing (siRNA/ASO)
CRISPR-Cas9/Cas12a
G4/iM-quadruplexes
Green Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,376
3,819
0.336
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Canada
R Bruce Lennox
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,155
1,600
0.143
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Canada
Paul W Wiseman
fluorescence fluctuation imaging
super-resolution microscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,206
2,427
0.264
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Canada
Matthew Harrington
Green Chemistry
Bio-inspired Materials
Biogenic Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,261
3,966
0.546
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Canada
John Gillard
Chemistry
pharmacology
biology
toxicology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,237
625
0.100
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Canada
Youla Tsantrizos
chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,160
1,078
0.175
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Canada
Marie Josée Dumont
Polymers
Chemicals
Biomass conversion
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,953
4,204
0.706
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Canada
Gonzalo Cosa
fluorescence imaging
single molecule spectroscopy
DNA nanotechnology
reactive oxygen species
photochemistry and photophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,938
2,467
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Canada
David N Harpp
Organosulfur Chemistry
Chemical Education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,749
809
0.141
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Canada
Janine Mauzeroll
Electrochemistry
Corrosion
Battery Material
Multidrug Resistance
Cancer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,251
2,371
0.452
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Canada
Nathan Luedtke
Organic and Bioanalytical Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,141
1,452
0.282
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Canada
Thomas Knauber
Green Chemistry
Organic Chemistry
Catalysis
INorganic Chemistry
Method Development
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,557
1,991
0.437
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Canada
Daina Avizonis
metabolomics
NMR
Mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,540
2,255
0.497
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Canada
Marc André Légaré
Main-Group Elements
Organometallics
Catalysis
Inorganic Chemistry
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
2,874
0.644
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Canada
Davin Tan
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,406
3,105
0.705
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Canada
Christopher Moraes
mechanobiology
microtechnology
biomechanics
microenvironment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,203
1,916
0.598
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Canada
Hatem M Titi
Supramolecular Chemistry
crystallography
mechanochemistry
material chemistry
solid-state chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,763
2,323
0.841
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Canada
Matthew Hassler
Chemistry
Biochemistry
Transnational research
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,692
2,132
0.792
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Canada
Jean Philip Lumb
Organic Synthesis
Aerobic Catalysis
Organometallic Synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,468
1,200
0.486
* Total Citation Counts Rankings
Rankings
6,488
Canada
246
19
Ranking Based On Selection: 1
Chao Jun Li
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
66,467
19,288
0.290
Green Chemistry
Organic Synthesis
Catalysis
* Total Citation Counts Rankings
Rankings
20,388
Canada
830
71
Ranking Based On Selection: 2
Tomislav Friscic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32,399
16,257
0.502
Green Chemistry
Mechanochemistry
Solid-state reactivity
Crystal Engineering
Materials Chemistry
* Total Citation Counts Rankings
Rankings
25,108
Canada
1,031
95
Ranking Based On Selection: 3
Derek G Gray
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,323
7,939
0.280
Cellulose nanomaterials
chiral nematic suspensions and films of cellulose nanocrystals
lignocellulosic materials
* Total Citation Counts Rankings
Rankings
59,673
Canada
2,626
229
Ranking Based On Selection: 4
Christopher J Barrett
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,286
3,748
0.245
Polymer Chemistry
Materials Science
PhotoChemistry
* Total Citation Counts Rankings
Rankings
60,997
Canada
2,693
235
Ranking Based On Selection: 5
Theo GM Van De Ven
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,024
4,589
0.305
* Total Citation Counts Rankings
Rankings
69,724
Canada
3,095
260
Ranking Based On Selection: 6
Ian S Butler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,558
3,467
0.256
inorganic chemistry
organometallic chemistry
molecular spectroscopy
* Total Citation Counts Rankings
Rankings
86,474
Canada
3,830
333
Ranking Based On Selection: 7
Masad J Damha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,376
3,819
0.336
XNA/DNA/RNA Synthesis
Gene Silencing (siRNA/ASO)
CRISPR-Cas9/Cas12a
G4/iM-quadruplexes
Green Chemistry
* Total Citation Counts Rankings
Rankings
88,544
Canada
3,942
346
Ranking Based On Selection: 8
R Bruce Lennox
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,155
1,600
0.143
* Total Citation Counts Rankings
Rankings
110,476
Canada
4,927
426
Ranking Based On Selection: 9
Paul W Wiseman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,206
2,427
0.264
fluorescence fluctuation imaging
super-resolution microscopy
* Total Citation Counts Rankings
Rankings
143,552
Canada
6,309
537
Ranking Based On Selection: 10
Matthew Harrington
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,261
3,966
0.546
Green Chemistry
Bio-inspired Materials
Biogenic Materials
* Total Citation Counts Rankings
Rankings
168,085
Canada
7,303
614
Ranking Based On Selection: 11
John Gillard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,237
625
0.100
* Total Citation Counts Rankings
Rankings
170,107
Canada
7,378
617
Ranking Based On Selection: 12
Youla Tsantrizos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,160
1,078
0.175
* Total Citation Counts Rankings
Rankings
176,032
Canada
7,621
633
Ranking Based On Selection: 13
Marie Josée Dumont
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,953
4,204
0.706
* Total Citation Counts Rankings
Rankings
176,490
Canada
7,633
636
Ranking Based On Selection: 14
Gonzalo Cosa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,938
2,467
0.415
fluorescence imaging
single molecule spectroscopy
DNA nanotechnology
reactive oxygen species
photochemistry and photophysics
* Total Citation Counts Rankings
Rankings
182,352
Canada
7,854
653
Ranking Based On Selection: 15
David N Harpp
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,749
809
0.141
* Total Citation Counts Rankings
Rankings
199,166
Canada
8,534
713
Ranking Based On Selection: 16
Janine Mauzeroll
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,251
2,371
0.452
Electrochemistry
Corrosion
Battery Material
Multidrug Resistance
Cancer
* Total Citation Counts Rankings
Rankings
203,316
Canada
8,717
726
Ranking Based On Selection: 17
Nathan Luedtke
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,141
1,452
0.282
* Total Citation Counts Rankings
Rankings
228,022
Canada
9,721
799
Ranking Based On Selection: 18
Thomas Knauber
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,557
1,991
0.437
Green Chemistry
Organic Chemistry
Catalysis
INorganic Chemistry
Method Development
* Total Citation Counts Rankings
Rankings
228,828
Canada
9,752
801
Ranking Based On Selection: 19
Daina Avizonis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,540
2,255
0.497
* Total Citation Counts Rankings
Rankings
232,457
Canada
9,892
814
Ranking Based On Selection: 20
Marc André Légaré
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
2,874
0.644
Main-Group Elements
Organometallics
Catalysis
Inorganic Chemistry
Organic Chemistry
* Total Citation Counts Rankings
Rankings
235,222
Canada
9,996
818
Ranking Based On Selection: 21
Davin Tan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,406
3,105
0.705
* Total Citation Counts Rankings
Rankings
311,239
Canada
12,762
995
Ranking Based On Selection: 22
Christopher Moraes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,203
1,916
0.598
mechanobiology
microtechnology
biomechanics
microenvironment
* Total Citation Counts Rankings
Rankings
351,182
Canada
14,193
1,097
Ranking Based On Selection: 23
Hatem M Titi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,763
2,323
0.841
Supramolecular Chemistry
crystallography
mechanochemistry
material chemistry
solid-state chemistry
* Total Citation Counts Rankings
Rankings
358,578
Canada
14,463
1,113
Ranking Based On Selection: 24
Matthew Hassler
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,692
2,132
0.792
Chemistry
Biochemistry
Transnational research
* Total Citation Counts Rankings
Rankings
383,649
Canada
15,249
1,159
Ranking Based On Selection: 25
Jean Philip Lumb
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,468
1,200
0.486
Organic Synthesis
Aerobic Catalysis
Organometallic Synthesis