Total 2,393,028 scientists, country 221, and institutions 24,451 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 1
![Praneet Opanasopit](https://cdn.adscientificindex.com/pictures/c0/4720321.jpg)
drug derivery systems
Gene
siRNA
Chitosan
skin permeation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
142
0.728
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 2
![Tanasait Ngawhirunpat](/user/assets/images/profile/no-profile-photo.png)
Skin delivery
Controlled drug delivery systems
Skin penetration mechanisms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
160
113
0.706
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 3
![Theerasak Rojanarata](https://cdn.adscientificindex.com/pictures/8c/4723614.jpg)
Pharmaceutical sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
100
0.735
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 4
![Pornsak Sriamornsak](https://cdn.adscientificindex.com/pictures/5d/412324.jpg)
Pharmaceutical Technology
Drug Delivery System
Dosage Form Design
Biopolymer
Pectin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
96
0.780
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 5
![Worapon Kiatkittipong](https://cdn.adscientificindex.com/pictures/d0/420534.jpg)
Biorefinery
Biofuels
Process Intensification
Energy Conversion
Chemical Reaction Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
119
88
0.739
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 6
![Sontaya Limmatvapirat|ศ.ดร. สนทยา ลิ้มมัทวาภิรัติ์](https://cdn.adscientificindex.com/pictures/e7/421897.jpg)
Shellac
biopolymer
solid state chemistry
dosage form design
formulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
61
0.859
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 7
![Prasopchai Tonglairoum](https://cdn.adscientificindex.com/pictures/ce/403873.jpg)
Drug delivery
Pharmaceutical Technology
Polymers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
52
0.945
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 8
![Jurairat Nunthanid](/user/assets/images/profile/no-profile-photo.png)
pharmaceutical technology
drug delivery system
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
42
0.875
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 9
![Pramote Khuwijitjaru](https://cdn.adscientificindex.com/pictures/d2/457176.jpg)
Subcritical water
Rare sugar
Reaction kinetics
By-product valorization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 10
![Nantanit Wanichacheva](https://cdn.adscientificindex.com/pictures/2a/489159.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
29
0.763
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 11
![Chutima Limmatvapirat](https://cdn.adscientificindex.com/pictures/6d/300927.jpg)
Pharmaceutical Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
28
0.778
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 12
![Prasert Akkaramongkolporn](https://cdn.adscientificindex.com/pictures/14/470360.jpg)
Innovation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
23
0.657
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 13
![Thanapon Charoenwongpaiboon](https://cdn.adscientificindex.com/pictures/82/4496810.jpg)
enzymatic synthesis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 14
![Budsaba Kanoksilapatham](https://cdn.adscientificindex.com/pictures/cf/4324538.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 15
![Somphong Jitman](https://cdn.adscientificindex.com/pictures/74/430298.jpg)
Algebraic Coding Theory
Quantum Error-Correcting Codes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 16
![Bussarin Ksapabutr](/user/assets/images/profile/no-profile-photo.png)
Material Science and Engineering
Engineering and Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 17
![Nattawut Chaiyut](/user/assets/images/profile/no-profile-photo.png)
Biopolymer
Biocomposites
Polymeric Composites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 18
![Rujikan Nasanit](https://cdn.adscientificindex.com/pictures/f3/4496809.jpg)
Biotechnology
Bacteriophage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 19
![Chaiyakarn Pornpitchanarong](https://cdn.adscientificindex.com/pictures/6a/4821585.jpg)
Drug delivery
Pharmaceutical Technology
Polymers
polymer synthesis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 20
![Waralak V Siricharoen](https://cdn.adscientificindex.com/pictures/6d/431353.jpg)
Human Computer Interaction
Software Engineering
Ontologies
Infographic
Social Network
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
9
0.409
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 21
![Cheewita Suwanchawalit](https://cdn.adscientificindex.com/pictures/ff/4450279.jpg)
metal oxide
nanomaterials
photocatalysis
perovskite solar cell
composite materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 22
![Poonsub Threepopnatkul](https://cdn.adscientificindex.com/pictures/7f/401931.jpg)
Film packaging
Biopolymer composite
Polymer processing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
8
0.571
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 23
![Sumonmarn Chaneam](https://cdn.adscientificindex.com/pictures/11/5820516.jpg)
Fluidic-based techniques for chemical and biological analysis
Method development in antioxidant assays
Color and electrochemical sensor
Green analytical method
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 24
![Chawarat Siriwong](https://cdn.adscientificindex.com/pictures/a5/354528.jpg)
Materials Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Last 6 Years i10 IndexRankings
Ranking Based On Selection: 25
![Gokul Kannan](https://cdn.adscientificindex.com/pictures/42/5821141.jpg)
Composite Materials
Natural Fiber composites
polymer Composites
Natural fibers
3D Printing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Praneet Opanasopit
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
195
142
0.728
drug derivery systems
Gene
siRNA
Chitosan
skin permeation
Tanasait Ngawhirunpat
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
160
113
0.706
Skin delivery
Controlled drug delivery systems
Skin penetration mechanisms
Theerasak Rojanarata
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
136
100
0.735
Pharmaceutical sciences
Pornsak Sriamornsak
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
123
96
0.780
Pharmaceutical Technology
Drug Delivery System
Dosage Form Design
Biopolymer
Pectin
Worapon Kiatkittipong
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
119
88
0.739
Biorefinery
Biofuels
Process Intensification
Energy Conversion
Chemical Reaction Engineering
Sontaya Limmatvapirat|ศ.ดร. สนทยา ลิ้มมัทวาภิรัติ์
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
61
0.859
Shellac
biopolymer
solid state chemistry
dosage form design
formulation
Prasopchai Tonglairoum
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
52
0.945
Drug delivery
Pharmaceutical Technology
Polymers
Jurairat Nunthanid
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
42
0.875
pharmaceutical technology
drug delivery system
Pramote Khuwijitjaru
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
36
0.766
Subcritical water
Rare sugar
Reaction kinetics
By-product valorization
Nantanit Wanichacheva
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
29
0.763
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Chutima Limmatvapirat
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
28
0.778
Pharmaceutical Chemistry
Prasert Akkaramongkolporn
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
23
0.657
Thanapon Charoenwongpaiboon
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
Budsaba Kanoksilapatham
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
Somphong Jitman
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
17
0.708
Algebraic Coding Theory
Quantum Error-Correcting Codes
Bussarin Ksapabutr
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
Material Science and Engineering
Engineering and Technology
Nattawut Chaiyut
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
Biopolymer
Biocomposites
Polymeric Composites
Rujikan Nasanit
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Chaiyakarn Pornpitchanarong
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
Drug delivery
Pharmaceutical Technology
Polymers
polymer synthesis
Waralak V Siricharoen
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
9
0.409
Human Computer Interaction
Software Engineering
Ontologies
Infographic
Social Network
Cheewita Suwanchawalit
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
metal oxide
nanomaterials
photocatalysis
perovskite solar cell
composite materials
Poonsub Threepopnatkul
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
8
0.571
Film packaging
Biopolymer composite
Polymer processing
Sumonmarn Chaneam
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Fluidic-based techniques for chemical and biological analysis
Method development in antioxidant assays
Color and electrochemical sensor
Green analytical method
Chawarat Siriwong
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
Gokul Kannan
Silpakorn University
Bangkok, Thailand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Composite Materials
Natural Fiber composites
polymer Composites
Natural fibers
3D Printing