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North America Scientist and University Rankings 2026
North America Engineering & Technology 2.781 Scientists Subject Rankings
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 (1.131.911) 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
113
World Rank
48
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
H-Index Metrics
-
H-Index258
-
i10 Index887
-
Citation Counts281,150
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* Total H Index Rankings
Rankings
280
World Rank
113
Country Rank
4
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
872
World Rank
325
Country Rank
3
University
Ranking Based On Selection:
3
Engineering & Technology / Chemical Engineering
Continuous Oral Drug Delivery | Continuous Electrochemical Glucose Monitoring for Diabetes Managemen
Continuous Oral Drug Delivery | Continuous Electrochemical Glucose Monitoring for Diabetes Managemen
H-Index Metrics
-
H-Index191
-
i10 Index561
-
Citation Counts157,472
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* Total H Index Rankings
Rankings
1,825
World Rank
750
Country Rank
7
University
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
biocatalysis | enzyme technology | protein engineering | synthetic biology | directed evolutio
biocatalysis | enzyme technology | protein engineering | synthetic biology | directed evolutio
H-Index Metrics
-
H-Index156
-
i10 Index450
-
Citation Counts83,588
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* Total H Index Rankings
Rankings
1,833
World Rank
755
Country Rank
6
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
2,266
World Rank
949
Country Rank
7
University
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
adhesion | carbon fibers | graphene | graphite nanoplatelets | composite
adhesion | carbon fibers | graphene | graphite nanoplatelets | composite
H-Index Metrics
-
H-Index148
-
i10 Index860
-
Citation Counts100,968
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* Total H Index Rankings
Rankings
2,412
World Rank
1,019
Country Rank
9
University
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
Chemical Engineering | Biomedical Engineering | Materials | Biomaterials | Hydrogel
Chemical Engineering | Biomedical Engineering | Materials | Biomaterials | Hydrogel
H-Index Metrics
-
H-Index146
-
i10 Index421
-
Citation Counts75,809
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* Total H Index Rankings
Rankings
2,558
World Rank
1,094
Country Rank
27
University
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Microsystems for chemistry and biology | continuos synthesis | nanomaterial
Microsystems for chemistry and biology | continuos synthesis | nanomaterial
H-Index Metrics
-
H-Index144
-
i10 Index588
-
Citation Counts85,087
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* Total H Index Rankings
Rankings
2,687
World Rank
88
Country Rank
14
University
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Theoretical chemistry | quantum information science | Physical Chemistry | Energy Materials | Machine Learnin
Theoretical chemistry | quantum information science | Physical Chemistry | Energy Materials | Machine Learnin
H-Index Metrics
-
H-Index142
-
i10 Index497
-
Citation Counts108,762
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* Total H Index Rankings
Rankings
2,716
World Rank
1,171
Country Rank
13
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
2,856
World Rank
1,246
Country Rank
2
University
Ranking Based On Selection:
11
Engineering & Technology / Chemical Engineering
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
H-Index Metrics
-
H-Index140
-
i10 Index345
-
Citation Counts66,693
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* Total H Index Rankings
Rankings
2,935
World Rank
1,284
Country Rank
16
University
Ranking Based On Selection:
12
Engineering & Technology / Chemical Engineering
polymers | chemistry | physics | chemical engineering | materials scienc
polymers | chemistry | physics | chemical engineering | materials scienc
H-Index Metrics
-
H-Index140
-
i10 Index528
-
Citation Counts83,822
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* Total H Index Rankings
Rankings
3,258
World Rank
1,423
Country Rank
8
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
3,682
World Rank
1,610
Country Rank
1
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
4,031
World Rank
1,791
Country Rank
45
University
Ranking Based On Selection:
15
* Total H Index Rankings
Rankings
4,188
World Rank
1,860
Country Rank
2
University
Ranking Based On Selection:
16
Engineering & Technology / Chemical Engineering
Porous Materials | MOFs/COFs | Porous Organic Polymers/Porous Carbons | Porphyrin | Catalysis/Biocatalysis/Electrocatalysi
Porous Materials | MOFs/COFs | Porous Organic Polymers/Porous Carbons | Porphyrin | Catalysis/Biocatalysis/Electrocatalysi
H-Index Metrics
-
H-Index127
-
i10 Index361
-
Citation Counts55,115
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* Total H Index Rankings
Rankings
4,304
World Rank
1,908
Country Rank
13
University
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
colloid and interface science | materials chemistry | nanotechnolog
colloid and interface science | materials chemistry | nanotechnolog
H-Index Metrics
-
H-Index127
-
i10 Index515
-
Citation Counts55,321
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* Total H Index Rankings
Rankings
4,489
World Rank
1,988
Country Rank
25
University
Ranking Based On Selection:
18
Engineering & Technology / Chemical Engineering
Cancer Targeted Therapeutics and Protein Engineering and Molecular Imaging / Diagnostic Deliver
Cancer Targeted Therapeutics and Protein Engineering and Molecular Imaging / Diagnostic Deliver
H-Index Metrics
-
H-Index125
-
i10 Index1,000
-
Citation Counts79,921
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* Total H Index Rankings
Rankings
4,590
World Rank
2,038
Country Rank
34
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
4,622
World Rank
2,056
Country Rank
46
University
Ranking Based On Selection:
20
Engineering & Technology / Chemical Engineering
thermocatalysis | electrocatalysis | synchrotron technique
thermocatalysis | electrocatalysis | synchrotron technique
H-Index Metrics
-
H-Index124
-
i10 Index502
-
Citation Counts74,468
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* Total H Index Rankings
Rankings
5,146
World Rank
2,288
Country Rank
53
University
Ranking Based On Selection:
21
Engineering & Technology / Chemical Engineering
Chemical Engineering | Energy | Environment | Nanoparticles | Colloid
Chemical Engineering | Energy | Environment | Nanoparticles | Colloid
H-Index Metrics
-
H-Index121
-
i10 Index454
-
Citation Counts50,844
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* Total H Index Rankings
Rankings
6,006
World Rank
2,659
Country Rank
121
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
6,123
World Rank
2,696
Country Rank
60
University
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
quantum mechanics based simulation methods | materials for sustainable energy technologie
quantum mechanics based simulation methods | materials for sustainable energy technologie
H-Index Metrics
-
H-Index116
-
i10 Index434
-
Citation Counts48,293
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* Total H Index Rankings
Rankings
6,339
World Rank
2,794
Country Rank
61
University
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
Synthetic Biology | Metabolic Engineering | Systems Biolog
Synthetic Biology | Metabolic Engineering | Systems Biolog
H-Index Metrics
-
H-Index115
-
i10 Index308
-
Citation Counts46,615
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* Total H Index Rankings
Rankings
6,811
World Rank
3,017
Country Rank
34
University
Ranking Based On Selection:
25
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