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
1,380,712
Country Rank
19,362
Institution Rank : 111
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Ejike Chinwe Ebele](/pictures/fe/4637420.jpg)
Bacteriology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
World Rank
1,430,167
Country Rank
20,756
Institution Rank : 130
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Chinelo Umedum Ursula](/pictures/eb/4637532.jpg)
Medical Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
* Total i10 Index Rankings
World Rank
1,445,989
Country Rank
21,187
Institution Rank : 135
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Bright Obidinma Uba](/pictures/53/4637534.jpg)
Environmental Microbiology
Environmental Toxicology
Public Health Microbiology and Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Rank
1,640,272
Country Rank
26,990
Institution Rank : 175
![](https://cdn.adscientificindex.com/logos/1584.png)
![Nigeria](/flags/ng.png)
![Umeaku Chinyelu Nkiru](/user/assets/images/profile/no-profile-photo.png)
medical microbiology
environmental microbiology
medicinal plants
food microbiology
epidemiology and public health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
World Ranking
1,380,712
Country Ranking
19,362
Institution Ranking
111
Ejike Chinwe Ebele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
World Ranking
1,430,167
Country Ranking
20,756
Institution Ranking
130
Chinelo Umedum Ursula
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
![](https://cdn.adscientificindex.com/logos/1584.png)
Medical Microbiology
* Total i10 Index Rankings
World Ranking
1,445,989
Country Ranking
21,187
Institution Ranking
135
Bright Obidinma Uba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
Environmental Microbiology
Environmental Toxicology
Public Health Microbiology and Biotechnology
* Total i10 Index Rankings
World Ranking
1,640,272
Country Ranking
26,990
Institution Ranking
175
Umeaku Chinyelu Nkiru
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/1584.png)
medical microbiology
environmental microbiology
medicinal plants
food microbiology
epidemiology and public health