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The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Dec 31, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.755) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
304
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Ophthalmology
Retinal disease | diabetes | hypertension | artificial intelligenc
Retinal disease | diabetes | hypertension | artificial intelligenc
H-Index Metrics
-
H-Index235
-
i10 Index1,772
-
Citation Counts300,509
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* Total H Index Rankings
Rankings
395
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
2
Natural Sciences / Physics
Natural Sciences / Physics | High Energy Physics | Higgs Physics | Neutrino Physic
Natural Sciences / Physics | High Energy Physics | Higgs Physics | Neutrino Physic
H-Index Metrics
-
H-Index227
-
i10 Index1,069
-
Citation Counts208,723
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* Total H Index Rankings
Rankings
451
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
509
World Rank
3
Country Rank
3
University
Ranking Based On Selection:
4
Natural Sciences / Chemical Sciences
molecular imaging | nanomedicine | drug and gene delivery | theranostics | radiopharmaceutical
molecular imaging | nanomedicine | drug and gene delivery | theranostics | radiopharmaceutical
H-Index Metrics
-
H-Index218
-
i10 Index1,106
-
Citation Counts175,627
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* Total H Index Rankings
Rankings
518
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
570
World Rank
4
Country Rank
4
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
901
World Rank
3
Country Rank
3
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
931
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
936
World Rank
5
Country Rank
1
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
1,290
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
1,352
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,667
World Rank
6
Country Rank
5
University
Ranking Based On Selection:
12
Engineering & Technology / Computer Science
Wireless Communications | MIMO | Cognitive Radio | Wireless Power Transfer | UA
Wireless Communications | MIMO | Cognitive Radio | Wireless Power Transfer | UA
H-Index Metrics
-
H-Index159
-
i10 Index509
-
Citation Counts119,708
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Premium Data
* Total H Index Rankings
Rankings
1,687
World Rank
5
Country Rank
4
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
1,994
World Rank
7
Country Rank
1
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
2,064
World Rank
8
Country Rank
6
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
2,360
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
2,369
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
17
Engineering & Technology / Mechanical Engineering
MXene (Nano-Materials) | Solar Energy | Energy storage | nanofluids | Heat Transfe
MXene (Nano-Materials) | Solar Energy | Energy storage | nanofluids | Heat Transfe
H-Index Metrics
-
H-Index145
-
i10 Index605
-
Citation Counts85,743
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* Total H Index Rankings
Rankings
2,510
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
18
Engineering & Technology / Metallurgical & Materials Engineering
membrane technology | nanostructured materials | hemodialysis | reverse osmosis | fuel cel
membrane technology | nanostructured materials | hemodialysis | reverse osmosis | fuel cel
H-Index Metrics
-
H-Index144
-
i10 Index1,169
-
Citation Counts98,551
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* Total H Index Rankings
Rankings
2,673
World Rank
9
Country Rank
7
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
2,679
World Rank
10
Country Rank
8
University
Ranking Based On Selection:
20
Natural Sciences / Chemical Sciences
graphene | 2-D materials | surface science | covalent organic framewok | batterie
graphene | 2-D materials | surface science | covalent organic framewok | batterie
H-Index Metrics
-
H-Index142
-
i10 Index604
-
Citation Counts98,858
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* Total H Index Rankings
Rankings
2,770
World Rank
11
Country Rank
9
University
Ranking Based On Selection:
21
Engineering & Technology / Electrical & Electronic Engineering
Electromagnetics | metaphotonics | low-dimensional material optic
Electromagnetics | metaphotonics | low-dimensional material optic
H-Index Metrics
-
H-Index141
-
i10 Index559
-
Citation Counts67,800
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* Total H Index Rankings
Rankings
2,861
World Rank
12
Country Rank
10
University
Ranking Based On Selection:
22
Medical and Health Sciences / Nutrition and Dietetics
Nutritional Epidemiology | Obesity | Type 2 diabetes | Cardiovascular Disease
Nutritional Epidemiology | Obesity | Type 2 diabetes | Cardiovascular Disease
H-Index Metrics
-
H-Index140
-
i10 Index410
-
Citation Counts87,479
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* Total H Index Rankings
Rankings
2,940
World Rank
13
Country Rank
11
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
2,944
World Rank
14
Country Rank
2
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
2D material | 2D electronics | Chemical vapor deposition | Materials by desig
2D material | 2D electronics | Chemical vapor deposition | Materials by desig
H-Index Metrics
-
H-Index139
-
i10 Index419
-
Citation Counts78,173
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* Total H Index Rankings
Rankings
3,026
World Rank
15
Country Rank
3
University
Ranking Based On Selection:
25
Engineering & Technology / Computer Science
Computer Vision | Generative AI | Artificial Intelligenc
Computer Vision | Generative AI | Artificial Intelligenc
H-Index Metrics
-
H-Index138
-
i10 Index310
-
Citation Counts115,045
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Premium Data
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