The Citation Rankings (Highly Cited Researchers) 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
Computational Systems Biology
Metabolic Control Analysis
Whole Body Modelling
Epidemiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,185
3,184
0.261
* Total Citation Counts Rankings
Ranking Based On Selection :2
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,210
4,600
0.499
* Total Citation Counts Rankings
Ranking Based On Selection :3
Biochemistry
Systems Biology
Code Biology
Relational Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,902
2,282
0.256
* Total Citation Counts Rankings
Ranking Based On Selection :4
Biochemistry and Molecular biology
Plant-microbe interactions
Innate immunity
Metabolomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,769
4,734
0.540
* Total Citation Counts Rankings
Ranking Based On Selection :5
microbial genetics
microbial evolution
microbial systematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,597
4,611
0.536
* Total Citation Counts Rankings
Ranking Based On Selection :6
Type 2 diabetes
animal model
nutrition
functional foods
medicinal plants
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,753
4,883
0.723
* Total Citation Counts Rankings
Ranking Based On Selection :7
Cellulase
Xylanase
Seaweed
Fucoidan
Bioproducts
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,088
3,305
0.543
* Total Citation Counts Rankings
Ranking Based On Selection :8
Biotechnology
Green Chemistry
Biocatalysis
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,477
2,449
0.447
* Total Citation Counts Rankings
Ranking Based On Selection :9
Biochemistry
Plant:microbe interactions
Innate immunity
Proteomics
Venomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,332
3,237
0.607
* Total Citation Counts Rankings
Ranking Based On Selection :10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,635
2,343
0.506
* Total Citation Counts Rankings
Ranking Based On Selection :11
Organic Chemistry
Nano Science
Clinical Biochemistry
Exosomes
Extracellular Vesicles
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,549
4,072
0.895
* Total Citation Counts Rankings
Ranking Based On Selection :12
Nanoparticle mediated gene and drug delivery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
3,585
0.821
* Total Citation Counts Rankings
Ranking Based On Selection :13
Microbial Ecology
Antibiotic Resistance
Microbiome
Antarctic Microbiology
African microbiomes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,228
3,520
0.833
* Total Citation Counts Rankings
Ranking Based On Selection :14
Mitochondrial metabolism and disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,099
2,038
0.497
* Total Citation Counts Rankings
Ranking Based On Selection :15
biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,848
1,290
0.335
* Total Citation Counts Rankings
Ranking Based On Selection :16
steroidogenesis
steroid metabolism
11-oxygenated androgens
11-ketotestosterone
mass spectrometry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,351
2,418
0.722
* Total Citation Counts Rankings
Ranking Based On Selection :17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,181
805
0.253
* Total Citation Counts Rankings
Ranking Based On Selection :18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,134
584
0.186
* Total Citation Counts Rankings
Ranking Based On Selection :19
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,128
1,315
0.420
* Total Citation Counts Rankings
Ranking Based On Selection :20
Evolutionary Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,086
1,142
0.370
* Total Citation Counts Rankings
Ranking Based On Selection :21
biochemistry and microbiology and meat sciences
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,080
1,709
0.555
* Total Citation Counts Rankings
Ranking Based On Selection :22
Biochemistry
Metabolomics
Chromatorgraphy-Mass spectrometry
Chemometrics
Big Data Analytics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,949
2,672
0.906
* Total Citation Counts Rankings
Ranking Based On Selection :23
Mechanistic enzymology
Coenzyme A biosynthesis and utilization
Antimicrobial drug design
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,793
1,082
0.387
* Total Citation Counts Rankings
Ranking Based On Selection :24
Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,621
1,401
0.535
* Total Citation Counts Rankings
Ranking Based On Selection :25
biochemistry
biotechnology
microbial
sustainability
life cycle assessment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,554
985
0.386
Snoep Jl
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,185
3,184
0.261
Computational Systems Biology
Metabolic Control Analysis
Whole Body Modelling
Epidemiology
Louis H Nel
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,210
4,600
0.499
Jan-Hendrik Hofmeyr
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,902
2,282
0.256
Biochemistry
Systems Biology
Code Biology
Relational Biology
Ian Dubery
University of Johannesburg
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,769
4,734
0.540
Biochemistry and Molecular biology
Plant-microbe interactions
Innate immunity
Metabolomics
Emma Steenkamp
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,597
4,611
0.536
microbial genetics
microbial evolution
microbial systematics
Shahidul Islam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,753
4,883
0.723
Type 2 diabetes
animal model
nutrition
functional foods
medicinal plants
Brett Pletschke
Rhodes University
Grahamstown, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,088
3,305
0.543
Cellulase
Xylanase
Seaweed
Fucoidan
Bioproducts
Dean Brady
University of the Witwatersrand
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,477
2,449
0.447
Biotechnology
Green Chemistry
Biocatalysis
Biochemistry
Lizelle Piater
University of Johannesburg
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,332
3,237
0.607
Biochemistry
Plant:microbe interactions
Innate immunity
Proteomics
Venomics
Maryna Van De Venter
Nelson Mandela University
Port Elizabeth, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,635
2,343
0.506
Anand Krishnan
University of the Free State
Bloemfontein, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,549
4,072
0.895
Organic Chemistry
Nano Science
Clinical Biochemistry
Exosomes
Extracellular Vesicles
Moganavelli Singh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,367
3,585
0.821
Nanoparticle mediated gene and drug delivery
Thulani P. Makhalanyane
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,228
3,520
0.833
Microbial Ecology
Antibiotic Resistance
Microbiome
Antarctic Microbiology
African microbiomes
Francois Van Der Westhuizen
North West University
Potchefstroom, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,099
2,038
0.497
Mitochondrial metabolism and disease
Pieter Swart
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,848
1,290
0.335
Karl-Heinz Storbeck
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,351
2,418
0.722
steroidogenesis
steroid metabolism
11-oxygenated androgens
11-ketotestosterone
mass spectrometry
Albert Neitz
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,181
805
0.253
Braam Louw
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,134
584
0.186
Zeno Apostolides
University of Pretoria
Pretoria, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,128
1,315
0.420
Dirk Bellstedt
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,086
1,142
0.370
Sunday Oyedemi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,080
1,709
0.555
biochemistry and microbiology and meat sciences
Fidele Tugizimana
University of Johannesburg
Johannesburg, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,949
2,672
0.906
Biochemistry
Metabolomics
Chromatorgraphy-Mass spectrometry
Chemometrics
Big Data Analytics
Erick Strauss
Stellenbosch University
Stellenbosch, South Africa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,793
1,082
0.387
Mechanistic enzymology
Coenzyme A biosynthesis and utilization
Antimicrobial drug design
Graeme Bradley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,621
1,401
0.535
William Stafford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,554
985
0.386
biochemistry
biotechnology
microbial
sustainability
life cycle assessment