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. Additionally, click to view the special rankings based on Productivity Rankings: 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
radiation chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
9
0.127
* Total i10 IndexRankings
Ranking Based On Selection :2
biomembranes
secondary metabolites
isotopes
biochemistry
organic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
38
0.623
* Total i10 IndexRankings
Ranking Based On Selection :3
Organic Synthesis
Medicinal Chemistry
Drug Discovery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
* Total i10 IndexRankings
Ranking Based On Selection :4
Medicinal/Bioorganic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 IndexRankings
Ranking Based On Selection :5
Cancer Treatment
Cellular Biology
Ornithology
Organic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
Analytical Chemistry
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
David Close
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
9
0.127
Robert Frank Standaert
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
38
0.623
biomembranes
secondary metabolites
isotopes
biochemistry
organic chemistry
Abbas Shilabin
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
10
0.625
Organic Synthesis
Medicinal Chemistry
Drug Discovery
Ismail Kady
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
Tesha Blair
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Cancer Treatment
Cellular Biology
Ornithology
Organic Chemistry
Emmanuel Peprah-Yamoah
East Tennessee State University
Johnson City, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Analytical Chemistry
Biochemistry