Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as Scientists Last 6 Years' i10 Index, Universities Total i10 Index Rankings 2025, Universities Last 6 Years' i10 Index Rankings 2025, Art and Humanities i10 Productivity Rankings, and Social Sciences and Humanities i10 Productivity Rankings.
* Total i10 IndexRankings
Ranking Based On Selection: 1
Ethnopharmacology
Natural Products Pharmacology
Autonomic Pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
92
0.639
* Total i10 IndexRankings
Ranking Based On Selection: 2
Pharmaceutics
drug delivery
nanotechnology/nanomedicines
pharmaceutical microbiology & biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
89
0.679
* Total i10 IndexRankings
Ranking Based On Selection: 3
Natural Products Pharmacology & Toxicology
Immunopharmacology
Biological Response Modifiers
Vaccine adjuvants
Infectious Dis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
59
0.728
* Total i10 IndexRankings
Ranking Based On Selection: 4
Pharmaceutics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
32
0.410
* Total i10 IndexRankings
Ranking Based On Selection: 5
Natural Products Research
Medicinal Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
40
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 6
Drug delivery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
39
0.736
* Total i10 IndexRankings
Ranking Based On Selection: 7
Drug Delivery Science and Technology and Nanotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
18
0.367
* Total i10 IndexRankings
Ranking Based On Selection: 8
Molecular and Environmental Toxicology
Pharmaco-epidemiology
Clinical Trials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
21
0.447
* Total i10 IndexRankings
Ranking Based On Selection: 9
Pharmacology
natural products pharmacology
drug discovery
antiinflammatory
immunomodulators
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
30
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 10
Drug design and Delivery
Nanomedicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
26
0.578
* Total i10 IndexRankings
Ranking Based On Selection: 11
Pharmaceutical Raw Materials Development
Pharmaceutical Microbiology and Biotechnoogy
Molecular Modeling
Novel Drug Delivery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
26
0.591
* Total i10 IndexRankings
Ranking Based On Selection: 12
Pharmacology
Parasitology Biochemistr \nd Health Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
11
0.250
* Total i10 IndexRankings
Ranking Based On Selection: 13
Pharmaceutical Analysis
Pharmcokinetics
Pharmacodynamics
Biopharmaceutics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
13
0.317
* Total i10 IndexRankings
Ranking Based On Selection: 14
Clinical pharmacy & pharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
32
0.821
* Total i10 IndexRankings
Ranking Based On Selection: 15
Drug delivery systems
Solid dispersions
charge transfer complexation
formulation science
pharmaceutical microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
28
0.737
* Total i10 IndexRankings
Ranking Based On Selection: 16
Clinical pharmacy
outcome research and pharmacoeconomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
27
0.711
* Total i10 IndexRankings
Ranking Based On Selection: 17
Nanoparticles
microparticles
transdermal
malaria
polymers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
* Total i10 IndexRankings
Ranking Based On Selection: 18
Pharmaceutical and Medicinal Chemistry
Pharmaceutical Analysis
Natural Product Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
33
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 19
Drug delivery dosage form design
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
19
0.576
* Total i10 IndexRankings
Ranking Based On Selection: 20
Natural Products Pharmacology
Neuro-Pharmacology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
* Total i10 IndexRankings
Ranking Based On Selection: 21
Clinical Pharmacy
Clinical Pharmacokinectics
Herb-Drug Interaction
Drug Utilization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
* Total i10 IndexRankings
Ranking Based On Selection: 22
Natural Product Chemistry
Pharmaceutical and Medicinal Chemistry and Biotechnology
Pharmaceutical Analyses
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
23
0.742
* Total i10 IndexRankings
Ranking Based On Selection: 23
Pharmacology and Toxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
24
0.828
* Total i10 IndexRankings
Ranking Based On Selection: 24
pharmacy practice
clinical pharmacy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
16
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 25
Pharmaceutical Microbiology
Pharmaceutical Biotechnology
Immunology
Molecular Virology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Peter A. Akah
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
144
92
0.639
Ethnopharmacology
Natural Products Pharmacology
Autonomic Pharmacology
Anthony Attama
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
89
0.679
Pharmaceutics
drug delivery
nanotechnology/nanomedicines
pharmaceutical microbiology & biotechnology
Chukwuemeka S. Nworu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
59
0.728
Natural Products Pharmacology & Toxicology
Immunopharmacology
Biological Response Modifiers
Vaccine adjuvants
Infectious Dis
Michael Adikwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
32
0.410
Patience Osadebe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
40
0.667
Natural Products Research
Medicinal Chemistry
Franklin Kenechukwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
39
0.736
Sabinus Ifeanyi Ofoefule
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
18
0.367
Drug Delivery Science and Technology and Nanotechnology
Elvis Neba Shu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
21
0.447
Molecular and Environmental Toxicology
Pharmaco-epidemiology
Clinical Trials
Charles O. Okoli
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
30
0.667
Pharmacology
natural products pharmacology
drug discovery
antiinflammatory
immunomodulators
Mumuni Audu Momoh
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
26
0.578
Drug design and Delivery
Nanomedicine
Emmanuel Chinedum Ibezim
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
26
0.591
Pharmaceutical Raw Materials Development
Pharmaceutical Microbiology and Biotechnoogy
Molecular Modeling
Novel Drug Delivery
Paul Obiekwe Okonkwo
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
11
0.250
Pharmacology
Parasitology Biochemistr \nd Health Economics
Cyprian O. Onyeji
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
13
0.317
Pharmaceutical Analysis
Pharmcokinetics
Pharmacodynamics
Biopharmaceutics
Chinwe V Ukwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
32
0.821
Clinical pharmacy & pharmacology
Kenneth Ofokansi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
28
0.737
Drug delivery systems
Solid dispersions
charge transfer complexation
formulation science
pharmaceutical microbiology
Maxwell Ogochukwu Adibe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
27
0.711
Clinical pharmacy
outcome research and pharmacoeconomics
Petra O Nnamani
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
26
0.684
Nanoparticles
microparticles
transdermal
malaria
polymers
Philip Uzor
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
33
1.000
Pharmaceutical and Medicinal Chemistry
Pharmaceutical Analysis
Natural Product Chemistry
Salome Amarachi Chime
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
19
0.576
Drug delivery dosage form design
Theophine Chinwuba Akunne (Okoye)
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
Natural Products Pharmacology
Neuro-Pharmacology.
Mathew .J. Okonta
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
25
0.781
Clinical Pharmacy
Clinical Pharmacokinectics
Herb-Drug Interaction
Drug Utilization
Edwin Ogechukwu Omeje
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
23
0.742
Natural Product Chemistry
Pharmaceutical and Medicinal Chemistry and Biotechnology
Pharmaceutical Analyses
Adaobi Chioma Ezike
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
24
0.828
Pharmacology and Toxicology
Chukwuemeka Michael Ubaka
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
16
0.667
pharmacy practice
clinical pharmacy
Damian Odimegwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Pharmaceutical Microbiology
Pharmaceutical Biotechnology
Immunology
Molecular Virology