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].
Rankings
Fats and Oils Chemistry and Technology | Food Nanotechonlogy | Food Technolog
H-Index Metrics
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H-Index91
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i10 Index425
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Citation Counts27,889
Rankings
Rankings
Applied catalysis | reaction engineering | biomass conversion | CO2 utilization | hydrogen productio
H-Index Metrics
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H-Index79
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i10 Index220
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Citation Counts22,480
Rankings
Rankings
Hydrogen fuel | CO2 Conversion | Hydrogen fuel cell | Photocatalytic Water Splitting | Energy polic
H-Index Metrics
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H-Index73
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i10 Index120
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Citation Counts16,159
Rankings
Hydrochemistry | Environmental Chemistry | Environmental Forensics | Emerging Contaminant
H-Index Metrics
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H-Index71
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i10 Index238
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Citation Counts17,331
Rankings
Polymer Chemistry | Nanotechnology | Nanomedicine | Drug Delivery | Energy Conversio
H-Index Metrics
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H-Index68
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i10 Index185
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Citation Counts17,380
Rankings
Polymer Nanocomposites | Graphene | Polymer Blends | Flame Retardancy | Biocomposite
H-Index Metrics
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H-Index66
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i10 Index230
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Citation Counts17,041
Rankings
Polymer chemistry | nanoparticles | nanocomposites | hydrogels | polymer composite
H-Index Metrics
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H-Index64
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i10 Index165
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Citation Counts16,871
Rankings
Rankings
Rankings
Rankings
Rankings
Polymer nanocomposites | Polymer Composites | conductive polymer composites | natural fiber composites | conductive in
H-Index Metrics
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H-Index56
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i10 Index249
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Citation Counts12,426
Rankings
biosensors | chemical sensor | functional material | molecular imprinted polymer | molecularly imprinte
H-Index Metrics
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H-Index55
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i10 Index217
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Citation Counts10,667
Rankings
Rankings
Rankings
Biocatalysis | Chemical Biology | Computational Chemistry | Structural Biolog
H-Index Metrics
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H-Index54
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i10 Index249
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Citation Counts10,655
Rankings
Rankings
Rankings
Environmental Nanocatalysis | Heterogeneous Photocatalysis | Advanced Oxidation Process | Water and Wastewater Treatmen
H-Index Metrics
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H-Index52
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i10 Index100
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Citation Counts7,212
Rankings
Rankings
Bio-Inorganic Chemistry (Schiff Bases | Heterocyclic Compounds | Metal Complexes and Biological Properties
H-Index Metrics
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H-Index50
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i10 Index191
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Citation Counts9,091
Rankings
Functional polymeric materials | Radiation grafting | Fuel cells | Wastewater treatment | CO2 captur
H-Index Metrics
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H-Index49
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i10 Index168
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Citation Counts8,974
Rankings
Chemometrics/Environmetrics | Environmental Modelling | Environmental Forensic
H-Index Metrics
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H-Index48
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i10 Index170
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Citation Counts9,434
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