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
Microplastics
Biochar
Emerging Contaminants
Remediation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
253
244
0.964
* Total i10 IndexRankings
Ranking Based On Selection :2
Immunology
dengue
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
* Total i10 IndexRankings
Ranking Based On Selection :3
Physical Chemistry
Chemical Kinetics
Surface Chemistry
Environmental Science
Environmental
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
62
0.984
* Total i10 IndexRankings
Ranking Based On Selection :4
Fungal Systematics
Bioinformatics
Plant pathology
Microbial Genetics
Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
52
0.897
* Total i10 IndexRankings
Ranking Based On Selection :5
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
20
0.408
* Total i10 IndexRankings
Ranking Based On Selection :6
nanotechnology
materials science
agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
42
0.894
* Total i10 IndexRankings
Ranking Based On Selection :7
Human Resource Management and Organizational Behaviour
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
37
0.787
* Total i10 IndexRankings
Ranking Based On Selection :8
Bacteriology
molecular biology
Helicobacter
Leptospirosis
Fungal infections
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
* Total i10 IndexRankings
Ranking Based On Selection :9
Allergy
Immunology
Microbiome
Infectious Diseases
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
40
1.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Functional Foods
Food Science
Nutrition
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
30
0.750
* Total i10 IndexRankings
Ranking Based On Selection :11
Marine Biochemistry
Nutraceuticals
Functional Foods
Food Chemistry
Phytomedicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
33
0.868
* Total i10 IndexRankings
Ranking Based On Selection :12
Accounting education
Integrated Reporting
EMA
Sustinable Innovation
Sustainability Accounting
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
37
1.000
* Total i10 IndexRankings
Ranking Based On Selection :13
Neurology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
18
0.486
* Total i10 IndexRankings
Ranking Based On Selection :14
Nanobiopolymers and nanobiomaterials
dye removal
bioplastics
food packaging
CO2 capture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
* Total i10 IndexRankings
Ranking Based On Selection :15
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
24
0.667
* Total i10 IndexRankings
Ranking Based On Selection :16
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
33
0.943
* Total i10 IndexRankings
Ranking Based On Selection :17
Electronic Engineering
Biomedical Engineering
Optical Imaging
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
33
0.943
* Total i10 IndexRankings
Ranking Based On Selection :18
Food Science and Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
* Total i10 IndexRankings
Ranking Based On Selection :19
Recreation ecology
Ecotourism
Wildlife
Pangolins
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
30
0.882
* Total i10 IndexRankings
Ranking Based On Selection :20
Infectious diseases
Human microbiome
Biofilm infections
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
28
0.824
* Total i10 IndexRankings
Ranking Based On Selection :21
Polymer Science and Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
26
0.897
* Total i10 IndexRankings
Ranking Based On Selection :22
Social Robotics
HRI
HCI
Interactive Media
AI
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
18
0.621
* Total i10 IndexRankings
Ranking Based On Selection :23
Immunology
Microbiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
* Total i10 IndexRankings
Ranking Based On Selection :24
community medicine
gender based violence
evaluation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
* Total i10 IndexRankings
Ranking Based On Selection :25
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
Meththika Vithanage
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
253
244
0.964
Microplastics
Biochar
Emerging Contaminants
Remediation
Gathsaurie Neelika Malavige
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
90
77
0.856
Anushka Upamali Rajapaksha
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
62
0.984
Physical Chemistry
Chemical Kinetics
Surface Chemistry
Environmental Science
Environmental
Kasun M Thambugala
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
52
0.897
Fungal Systematics
Bioinformatics
Plant pathology
Microbial Genetics
Biotechnology
Er Jansz
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
20
0.408
Nilwala Kottegoda
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
42
0.894
nanotechnology
materials science
agriculture
Hhdnp Opatha
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
37
0.787
Human Resource Management and Organizational Behaviour
Ssn Fernando
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
35
0.833
Bacteriology
molecular biology
Helicobacter
Leptospirosis
Fungal infections
Kamal Chandima Jeewandara
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
40
1.000
Allergy
Immunology
Microbiome
Infectious Diseases
Kkds Ranaweera
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
30
0.750
Functional Foods
Food Science
Nutrition
Biochemistry
Isuru Wijesekara
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
33
0.868
Marine Biochemistry
Nutraceuticals
Functional Foods
Food Chemistry
Phytomedicine
Nuwan Gunarathne|A D N Gunarathne
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
37
1.000
Accounting education
Integrated Reporting
EMA
Sustinable Innovation
Sustainability Accounting
SB Gunatilake
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
37
18
0.486
Rohan S Dassanayake
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
32
0.889
Nanobiopolymers and nanobiomaterials
dye removal
bioplastics
food packaging
CO2 capture
Sagarika Ekanayake
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
24
0.667
Dhanushka Udayanga
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
33
0.943
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
Ruchire Eranga Wijesinghe
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
33
0.943
Electronic Engineering
Biomedical Engineering
Optical Imaging
Indira Wickramasinghe
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
27
0.771
Food Science and Technology
Priyan Perera
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
30
0.882
Recreation ecology
Ecotourism
Wildlife
Pangolins
Sustainability
Manjula M Weerasekera
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
28
0.824
Infectious diseases
Human microbiome
Biofilm infections
Laleen Karunanayake|Laleen Karunanayake, Karunanayake L., L.Karunanayake
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
26
0.897
P Ravindra S De Silva
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
18
0.621
Social Robotics
HRI
HCI
Interactive Media
AI
Gunasekara Tdcp
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
27
0.964
Kumudu Wijewardene
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
community medicine
gender based violence
evaluation
Dinithi Peiris
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
21
0.778
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways