Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
587,710
Country Rank
2,433
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Erhirhie Earnest Oghenesuvwe.](/pictures/88/97181.jpg)
Pharmacology
Ethnopharmacology
Toxicology
Biostatistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total i10 Index Rankings
World Rank
1,098,996
Country Rank
11,926
Institution Rank : 56
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Andrew C.Nwaka](/user/assets/images/profile/no-profile-photo.png)
Medical Biochemistry
Immunology
Nutritional Biochemistry
Pharmacology
Phytochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 Index Rankings
World Rank
1,209,887
Country Rank
14,769
Institution Rank : 78
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Peter O. Ughachukwu](/pictures/96/4531651.jpg)
Immunopharmacology
Ethnopharmacology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 Index Rankings
World Rank
1,378,717
Country Rank
19,317
Institution Rank : 109
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Leo Clinton Chukwu](/pictures/03/4637406.jpg)
Pharmacology (Chemotherapy
Endocrinology Pharmacology & Pharmacokinetics)
Obstetrics & Gynaecology.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
World Rank
1,422,338
Country Rank
20,514
Institution Rank : 127
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ngozi Ukamaka Madubogwu](/pictures/0f/4637397.jpg)
Ethnopharmacology
Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 Index Rankings
World Rank
1,724,578
Country Rank
29,734
Institution Rank : 204
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Umeh Victoria Nonyelum Chukwuemeka](/pictures/be/4637274.jpg)
health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
World Ranking
587,710
Country Ranking
2,433
Institution Ranking
7
Erhirhie Earnest Oghenesuvwe.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
![](https://cdn.adscientificindex.com/logos/1584.png)
Pharmacology
Ethnopharmacology
Toxicology
Biostatistics
* Total i10 Index Rankings
World Ranking
1,098,996
Country Ranking
11,926
Institution Ranking
56
Andrew C.Nwaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
Medical Biochemistry
Immunology
Nutritional Biochemistry
Pharmacology
Phytochemistry
* Total i10 Index Rankings
World Ranking
1,209,887
Country Ranking
14,769
Institution Ranking
78
Peter O. Ughachukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
![](https://cdn.adscientificindex.com/logos/1584.png)
Immunopharmacology
Ethnopharmacology
* Total i10 Index Rankings
World Ranking
1,378,717
Country Ranking
19,317
Institution Ranking
109
Leo Clinton Chukwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
Pharmacology (Chemotherapy
Endocrinology Pharmacology & Pharmacokinetics)
Obstetrics & Gynaecology.
* Total i10 Index Rankings
World Ranking
1,422,338
Country Ranking
20,514
Institution Ranking
127
Ngozi Ukamaka Madubogwu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
![](https://cdn.adscientificindex.com/logos/1584.png)
Ethnopharmacology
Immunology
* Total i10 Index Rankings
World Ranking
1,724,578
Country Ranking
29,734
Institution Ranking
204
Umeh Victoria Nonyelum Chukwuemeka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000