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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 Jan 04, 2026, 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 (0) 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
511
World Rank
3
Country Rank
3
University
Ranking Based On Selection:
1
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
2,071
World Rank
8
Country Rank
6
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
2,696
World Rank
10
Country Rank
8
University
Ranking Based On Selection:
3
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
3,635
World Rank
21
Country Rank
6
University
Ranking Based On Selection:
4
Natural Sciences / Biological Science
ecology | invasion biology | biodiversity | plant ecology | forest ecolog
ecology | invasion biology | biodiversity | plant ecology | forest ecolog
H-Index Metrics
-
H-Index132
-
i10 Index393
-
Citation Counts123,192
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* Total H Index Rankings
Rankings
3,826
World Rank
25
Country Rank
9
University
Ranking Based On Selection:
5
Natural Sciences / Molecular Biology & Genetics
molecular imaging | chemical immunology | nanomedicine | biophotonic
molecular imaging | chemical immunology | nanomedicine | biophotonic
H-Index Metrics
-
H-Index130
-
i10 Index275
-
Citation Counts47,607
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* Total H Index Rankings
Rankings
5,246
World Rank
35
Country Rank
18
University
Ranking Based On Selection:
6
Natural Sciences / Physics
Photon upconversion | luminescent nanoparticles | Immunotherapy | Catalysis | Scintillator
Photon upconversion | luminescent nanoparticles | Immunotherapy | Catalysis | Scintillator
H-Index Metrics
-
H-Index120
-
i10 Index296
-
Citation Counts71,421
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* Total H Index Rankings
Rankings
7,652
World Rank
53
Country Rank
26
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
8,186
World Rank
60
Country Rank
23
University
Ranking Based On Selection:
8
Natural Sciences / Chemical Sciences
electrocatalysis | materials | catalysis | batteries | magnetic nanomaterial
electrocatalysis | materials | catalysis | batteries | magnetic nanomaterial
H-Index Metrics
-
H-Index107
-
i10 Index235
-
Citation Counts49,464
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* Total H Index Rankings
Rankings
8,486
World Rank
62
Country Rank
32
University
Ranking Based On Selection:
9
Natural Sciences / Chemical Sciences
Surface and Interface Science | 2D Materials | Nanocatalysis | surface chemistr
Surface and Interface Science | 2D Materials | Nanocatalysis | surface chemistr
H-Index Metrics
-
H-Index106
-
i10 Index389
-
Citation Counts43,126
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* Total H Index Rankings
Rankings
8,803
World Rank
66
Country Rank
25
University
Ranking Based On Selection:
10
Natural Sciences / Physics
Ultrafast Optical Spectroscopy | Energy & Charge Transfer | Carrier & Quasi-Particle Dynamics i
Ultrafast Optical Spectroscopy | Energy & Charge Transfer | Carrier & Quasi-Particle Dynamics i
H-Index Metrics
-
H-Index105
-
i10 Index279
-
Citation Counts47,130
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* Total H Index Rankings
Rankings
8,872
World Rank
68
Country Rank
34
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
10,158
World Rank
73
Country Rank
28
University
Ranking Based On Selection:
12
Natural Sciences / Chemical Sciences
Photocatalysis | Wastewater Treatment | Enviromental Remediation | Advanced Oxidation Process | Environmental Engineerin
Photocatalysis | Wastewater Treatment | Enviromental Remediation | Advanced Oxidation Process | Environmental Engineerin
H-Index Metrics
-
H-Index101
-
i10 Index181
-
Citation Counts32,275
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* Total H Index Rankings
Rankings
10,552
World Rank
74
Country Rank
29
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
10,618
World Rank
75
Country Rank
36
University
Ranking Based On Selection:
14
Natural Sciences / Chemical Sciences
Applied Catalysis | Membranes | Carbon Capture & Utilization | Methane | Hydroge
Applied Catalysis | Membranes | Carbon Capture & Utilization | Methane | Hydroge
H-Index Metrics
-
H-Index100
-
i10 Index427
-
Citation Counts36,581
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* Total H Index Rankings
Rankings
10,750
World Rank
83
Country Rank
39
University
Ranking Based On Selection:
15
Natural Sciences / Molecular Biology & Genetics
Genomics | Computation and Systems Biology | AI Guided Healthcar
Genomics | Computation and Systems Biology | AI Guided Healthcar
H-Index Metrics
-
H-Index100
-
i10 Index202
-
Citation Counts63,866
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* Total H Index Rankings
Rankings
10,991
World Rank
84
Country Rank
40
University
Ranking Based On Selection:
16
Natural Sciences / Chemical Sciences
Two-dimensional Polymers | Covalent Organic Frameworks | Chemistry Physics & Material
Two-dimensional Polymers | Covalent Organic Frameworks | Chemistry Physics & Material
H-Index Metrics
-
H-Index99
-
i10 Index167
-
Citation Counts48,877
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* Total H Index Rankings
Rankings
12,015
World Rank
97
Country Rank
47
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
12,036
World Rank
98
Country Rank
38
University
Ranking Based On Selection:
18
Natural Sciences / Molecular Biology & Genetics
genomics | metagenomics | environmental genomics | air microbiome | museomic
genomics | metagenomics | environmental genomics | air microbiome | museomic
H-Index Metrics
-
H-Index97
-
i10 Index196
-
Citation Counts51,829
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* Total H Index Rankings
Rankings
12,825
World Rank
103
Country Rank
51
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
13,296
World Rank
106
Country Rank
53
University
Ranking Based On Selection:
20
Natural Sciences / Chemical Sciences
Polymer electronics | wearable electronics | energy conversion and storage | nanomaterials | polymer
Polymer electronics | wearable electronics | energy conversion and storage | nanomaterials | polymer
H-Index Metrics
-
H-Index94
-
i10 Index225
-
Citation Counts33,586
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* Total H Index Rankings
Rankings
13,306
World Rank
107
Country Rank
54
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
15,742
World Rank
129
Country Rank
65
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
16,024
World Rank
130
Country Rank
66
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
16,933
World Rank
135
Country Rank
8
University
Ranking Based On Selection:
24
Natural Sciences / Molecular Biology & Genetics
Research Computing | Bioinformatics | Cancer Genomics | Genomic
Research Computing | Bioinformatics | Cancer Genomics | Genomic
H-Index Metrics
-
H-Index88
-
i10 Index167
-
Citation Counts82,722
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* Total H Index Rankings
Rankings
18,366
World Rank
143
Country Rank
49
University
Ranking Based On Selection:
25
Natural Sciences / Physics
Physics | Biophotonics | Nanophotonics | Sensors and Actuators | Nanomaterial
Physics | Biophotonics | Nanophotonics | Sensors and Actuators | Nanomaterial
H-Index Metrics
-
H-Index86
-
i10 Index280
-
Citation Counts27,619
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