Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
Materials Chemistry
Polymers and Nanochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,776
1,195
0.673
* Total Citation Counts Rankings
Ranking Based On Selection :2
Reproductive Biology
Sickle cell nephropathy and Nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,052
593
0.564
* Total Citation Counts Rankings
Ranking Based On Selection :3
Cytotoxicity
Genotoxicity
Molecular Toxicology
Phytotoxicity
Environmental Biochemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
542
309
0.570
* Total Citation Counts Rankings
Ranking Based On Selection :4
Environmental Chemistry
Air pollution studies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
499
239
0.479
* Total Citation Counts Rankings
Ranking Based On Selection :5
Catalysis
Energy storage
Clean energy systems
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
32
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :6
Environmental chemistry
Materials and Remediation Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
10
0.313
* Total Citation Counts Rankings
Ranking Based On Selection :7
Computational and Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :8
Organic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
* Total Citation Counts Rankings
Ranking Based On Selection :9
organic/medicinal chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :10
Polymer Chemistry
Synthetic Chemistry
Natural Products Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :11
soils
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :12
Pharmaceutical analysis
Quality assurance
Pharmacokinetic and Anti-malarial
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :13
Industrial and Material Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total Citation Counts Rankings
Ranking Based On Selection :14
Clinical Chemistry
Immunology
Immunochemistry
Toxicology
Clin Lab Techniques & Instrumentation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Esther Uwidia Ikhuoria
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,776
1,195
0.673
Materials Chemistry
Polymers and Nanochemistry
Mathias Abiodun Emokpae
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,052
593
0.564
Reproductive Biology
Sickle cell nephropathy and Nutrition
Daniel Olorunfemi
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
542
309
0.570
Cytotoxicity
Genotoxicity
Molecular Toxicology
Phytotoxicity
Environmental Biochemistry
Emmanuel Ukpebor
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
499
239
0.479
Environmental Chemistry
Air pollution studies
Ogaga Okedi
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
32
1.000
Catalysis
Energy storage
Clean energy systems
Okponmwense Moses
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
32
10
0.313
Environmental chemistry
Materials and Remediation Chemistry
Osamakon Bernard Osemwenkhae
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
19
1.000
Computational and Organic Chemistry
Uzama Avenbuan O.|Osumah Rabiah Orchewa, Oshomoh Emmanuel Ola, Iyekowa Osaro
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
Eriamiatoe Imuetinyan
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Austin I Eromosele
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Polymer Chemistry
Synthetic Chemistry
Natural Products Chemistry
Anthonia Bakare
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Godfrey Aghayere|GE Aghayere, Godfrey E. Aghayere, Aghayere G E
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Pharmaceutical analysis
Quality assurance
Pharmacokinetic and Anti-malarial
Idemudia Omoregbe Stephen
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Industrial and Material Chemistry
Godwin A Aikpitanyi Iduitua|Godwin Aigbedo Aikpitanyi-Iduitua
University of Benin
Benin City, Nigeria
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Clinical Chemistry
Immunology
Immunochemistry
Toxicology
Clin Lab Techniques & Instrumentation