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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 06, 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
26,266
World Rank
25
Country Rank
6
University
Ranking Based On Selection:
1
Natural Sciences / Chemical Sciences
Corrosion inhibition | Coordination Chemistry | Green corrosion inhibitors | Green Chemistr
Corrosion inhibition | Coordination Chemistry | Green corrosion inhibitors | Green Chemistr
H-Index Metrics
-
H-Index77
-
i10 Index229
-
Citation Counts20,032
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* Total H Index Rankings
Rankings
38,924
World Rank
38
Country Rank
9
University
Ranking Based On Selection:
2
Natural Sciences / Chemical Sciences
Energy | Reaction Engineering | Fuel Cell | Photocatalysis | Wastewater treatmen
Energy | Reaction Engineering | Fuel Cell | Photocatalysis | Wastewater treatmen
H-Index Metrics
-
H-Index68
-
i10 Index205
-
Citation Counts13,811
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* Total H Index Rankings
Rankings
75,028
World Rank
93
Country Rank
1
University
Ranking Based On Selection:
3
Natural Sciences / Chemical Sciences
Emerging Pollutants | Water Treatment | Nanomaterials | Resource Recovery | Circular Econom
Emerging Pollutants | Water Treatment | Nanomaterials | Resource Recovery | Circular Econom
H-Index Metrics
-
H-Index54
-
i10 Index135
-
Citation Counts9,876
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* Total H Index Rankings
Rankings
118,208
World Rank
169
Country Rank
4
University
Ranking Based On Selection:
4
Natural Sciences / Chemical Sciences
Clinical Biochemistry | Diabetes Research | Public Health | Computational Biochemistr
Clinical Biochemistry | Diabetes Research | Public Health | Computational Biochemistr
H-Index Metrics
-
H-Index45
-
i10 Index150
-
Citation Counts21,545
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* Total H Index Rankings
Rankings
133,218
World Rank
205
Country Rank
53
University
Ranking Based On Selection:
5
Natural Sciences / Chemical Sciences
chemo-mechanics | computational mechanics | infrastructural materials characterizatio
chemo-mechanics | computational mechanics | infrastructural materials characterizatio
H-Index Metrics
-
H-Index43
-
i10 Index120
-
Citation Counts6,704
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* Total H Index Rankings
Rankings
137,839
World Rank
209
Country Rank
2
University
Ranking Based On Selection:
6
Natural Sciences / Chemical Sciences
Inorganic Chemistry | Materials Science | Nanomaterials & Nanotechnology | Chemical Vapour Depositio
Inorganic Chemistry | Materials Science | Nanomaterials & Nanotechnology | Chemical Vapour Depositio
H-Index Metrics
-
H-Index43
-
i10 Index80
-
Citation Counts5,328
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* Total H Index Rankings
Rankings
149,811
World Rank
231
Country Rank
48
University
Ranking Based On Selection:
7
Natural Sciences / Chemical Sciences
Electrochemical Energy Storage | Electrocatalysis | Materials Chemistry | CO2-Reductio
Electrochemical Energy Storage | Electrocatalysis | Materials Chemistry | CO2-Reductio
H-Index Metrics
-
H-Index41
-
i10 Index63
-
Citation Counts7,487
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* Total H Index Rankings
Rankings
154,634
World Rank
239
Country Rank
64
University
Ranking Based On Selection:
8
Natural Sciences / Chemical Sciences
Catalysis | Wastewater Treatment | Material Chemistry | Surface Scienc
Catalysis | Wastewater Treatment | Material Chemistry | Surface Scienc
H-Index Metrics
-
H-Index40
-
i10 Index98
-
Citation Counts5,393
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* Total H Index Rankings
Rankings
166,726
World Rank
267
Country Rank
57
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
178,528
World Rank
286
Country Rank
60
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
206,311
World Rank
346
Country Rank
85
University
Ranking Based On Selection:
11
Natural Sciences / Chemical Sciences
Porous materials | COFs/c-MOFs | Water purification | Renewable Energy | Resource Recover
Porous materials | COFs/c-MOFs | Water purification | Renewable Energy | Resource Recover
H-Index Metrics
-
H-Index35
-
i10 Index63
-
Citation Counts4,280
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* Total H Index Rankings
Rankings
210,138
World Rank
353
Country Rank
78
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
215,385
World Rank
363
Country Rank
1
University
Ranking Based On Selection:
13
Natural Sciences / Chemical Sciences
Medical and health Science | Cancer chemoprevention | Epigenetic
Medical and health Science | Cancer chemoprevention | Epigenetic
H-Index Metrics
-
H-Index34
-
i10 Index81
-
Citation Counts5,308
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* Total H Index Rankings
Rankings
231,508
World Rank
397
Country Rank
79
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
243,808
World Rank
417
Country Rank
87
University
Ranking Based On Selection:
15
Natural Sciences / Chemical Sciences
Biomolecular Science | Clinical & Forensic Biochemistry | Bioanalytical and Electro-chemistry
Biomolecular Science | Clinical & Forensic Biochemistry | Bioanalytical and Electro-chemistry
H-Index Metrics
-
H-Index32
-
i10 Index61
-
Citation Counts2,980
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* Total H Index Rankings
Rankings
247,661
World Rank
427
Country Rank
30
University
Ranking Based On Selection:
16
Natural Sciences / Chemical Sciences
Wastewater treatment | Novel Adsorbents | Kinetics and Thermodynamics in Solution | Micelles-dyes Interactions | Protein-Nucleic A
Wastewater treatment | Novel Adsorbents | Kinetics and Thermodynamics in Solution | Micelles-dyes Interactions | Protein-Nucleic A
H-Index Metrics
-
H-Index32
-
i10 Index79
-
Citation Counts4,403
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* Total H Index Rankings
Rankings
253,853
World Rank
439
Country Rank
1
University
Ranking Based On Selection:
17
Natural Sciences / Chemical Sciences
Chemical Science | Asymmetric Catalysis | Material Science | Renewable Energy | Medicinal Chemistr
Chemical Science | Asymmetric Catalysis | Material Science | Renewable Energy | Medicinal Chemistr
H-Index Metrics
-
H-Index32
-
i10 Index39
-
Citation Counts2,989
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* Total H Index Rankings
Rankings
312,532
World Rank
575
Country Rank
6
University
Ranking Based On Selection:
18
Natural Sciences / Chemical Sciences
FLC Materials | Organic synthesis | Nano particles | Phytochemistr
FLC Materials | Organic synthesis | Nano particles | Phytochemistr
H-Index Metrics
-
H-Index28
-
i10 Index63
-
Citation Counts2,491
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* Total H Index Rankings
Rankings
320,296
World Rank
593
Country Rank
139
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
325,738
World Rank
607
Country Rank
22
University
Ranking Based On Selection:
20
Natural Sciences / Chemical Sciences
Materials Chemistry & Nanomaterials | Sustainable Chemistry& Applied Researc
Materials Chemistry & Nanomaterials | Sustainable Chemistry& Applied Researc
H-Index Metrics
-
H-Index27
-
i10 Index53
-
Citation Counts4,175
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* Total H Index Rankings
Rankings
327,557
World Rank
617
Country Rank
141
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
331,201
World Rank
632
Country Rank
30
University
Ranking Based On Selection:
22
Natural Sciences / Chemical Sciences
Biochemistry | Nutrition and Metabolism | Chemistry | clinical chemistry and pathology | Microbiolog
Biochemistry | Nutrition and Metabolism | Chemistry | clinical chemistry and pathology | Microbiolog
H-Index Metrics
-
H-Index27
-
i10 Index51
-
Citation Counts2,447
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* Total H Index Rankings
Rankings
331,331
World Rank
633
Country Rank
60
University
Ranking Based On Selection:
23
Natural Sciences / Chemical Sciences
fluorescent sensors | carbon dots | electrodes | antimicrobial | troponi
fluorescent sensors | carbon dots | electrodes | antimicrobial | troponi
H-Index Metrics
-
H-Index27
-
i10 Index49
-
Citation Counts2,261
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Premium Data
* Total H Index Rankings
Rankings
344,784
World Rank
653
Country Rank
125
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
346,952
World Rank
661
Country Rank
126
University
Ranking Based On Selection:
25
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