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].
Rankings
Metabolic engineering | synthetic biology | biochemical engineering | bioprocess engineerin
H-Index Metrics
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H-Index158
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i10 Index700
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Citation Counts90,852
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Green chemisrty | Porous materials | Metal-organic frameworks | Adsorption | Heterogenous catalysi
H-Index Metrics
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H-Index102
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i10 Index333
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Citation Counts39,688
Rankings
polymer | polymer solar cells | polymer electronics | polymer particles | block copolymer
H-Index Metrics
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H-Index90
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i10 Index330
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Citation Counts27,496
Rankings
Biofilms | Antimicrobials | Nanobiotechnology | Bioremediatio
H-Index Metrics
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H-Index82
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i10 Index275
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Citation Counts24,275
Rankings
Carbon nanomaterials | Hybrid nanomaterials | Energy storage | Energy conversion | CO2 captur
H-Index Metrics
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H-Index81
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i10 Index291
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Citation Counts20,338
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Materials | Nanotechnology | Biotechnology | Microbial Fuel Cell | Bioenerg
H-Index Metrics
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H-Index79
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i10 Index188
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Citation Counts20,126
Rankings
Environmental Chemical Engineering | Urban mining | Biosorptio
H-Index Metrics
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H-Index79
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i10 Index230
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Citation Counts27,748
Rankings
Organic Electronics (OFET | OPV) | Flexible Electronics | Polymer Nanomaterial
H-Index Metrics
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H-Index74
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i10 Index182
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Citation Counts19,064
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Biochemical Engineering | Biosensor | Nanobiosensor | Organoid chip | Biohybrid robo
H-Index Metrics
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H-Index71
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i10 Index336
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Citation Counts17,904
Rankings
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Process Systems Design | Process Control | Process optimizatio
H-Index Metrics
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H-Index68
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i10 Index327
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Citation Counts16,318
Rankings
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Lab on a Chip | High-Throughput Screening | Diagnosis | Colloids | Nanobiotechnolog
H-Index Metrics
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H-Index67
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i10 Index276
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Citation Counts16,299
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