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 30, 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 (1.131.699) 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
Rankings
Rankings
Sensors | Renewable Energy | 3D Printing | Catalysis | Machine Learnin
H-Index Metrics
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H-Index85
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i10 Index315
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Citation Counts23,869
Rankings
Advanced Materials | Digital Transformation | Road Safety | Quality Engineering | Resilienc
H-Index Metrics
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H-Index81
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i10 Index368
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Citation Counts23,639
Rankings
Membrane technology for water and wastewater treatmen
H-Index Metrics
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H-Index79
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i10 Index180
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Citation Counts25,474
Rankings
Nanomaterials | catalysis | Nanobiotechnolog
H-Index Metrics
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H-Index78
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i10 Index187
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Citation Counts18,366
Rankings
Diabetes Advanced glycation endproducts | Proteomics | Biomarker
H-Index Metrics
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H-Index77
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i10 Index149
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Citation Counts19,632
Rankings
Rankings
Biomaterials | Tissue Engineering | Bioprinting | Wound Healing | Artificial Intelligenc
H-Index Metrics
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H-Index71
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i10 Index240
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Citation Counts21,097
Rankings
Rankings
Ionic liquids | natural gas hydrates | membrane distilation CO2 conversion | wastewater treatment | adsorptio
H-Index Metrics
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H-Index69
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i10 Index191
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Citation Counts20,296
Rankings
Microbiology & Immunology Serology | Zebrafish Researc
H-Index Metrics
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H-Index67
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i10 Index182
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Citation Counts18,833
Rankings
Rankings
Polymers | Composites | Nanotechnology | Higher Educatio
H-Index Metrics
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H-Index67
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i10 Index177
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Citation Counts11,867
Rankings
Nutritional epidemiology | Diabetes | Anemia | Adolescent health | Obesit
H-Index Metrics
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H-Index66
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i10 Index263
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Citation Counts31,239
Rankings
Power Electronics | Electric Drives | Renewable Energ
H-Index Metrics
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H-Index65
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i10 Index367
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Citation Counts19,457
Rankings
Research Synthesis | Clinical Epidemiology | Endocrinology | Meta-analysis | Evidence Based Medicin
H-Index Metrics
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H-Index65
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i10 Index208
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Citation Counts18,915
Rankings
Polymer blends | composites and nanocomposite
H-Index Metrics
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H-Index63
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i10 Index200
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Citation Counts13,046
Rankings
Polymer Nanocomposite | Fabrication | Sensors | Shape memory and Energy Storag
H-Index Metrics
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H-Index62
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i10 Index147
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Citation Counts11,742
Rankings
Rankings
Analytical and environmental chemistry | Environmental Remediation | Validation method in analytical chemistry | Remediation | Adso
H-Index Metrics
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H-Index61
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i10 Index193
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Citation Counts18,779
Rankings
IoT & Big Data& Healthcare I.S. | Deep Learning & U/V/M/E-Commerce | Security & Artificial Intelligence | Mobile Banking | E-Learni
H-Index Metrics
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H-Index61
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i10 Index261
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Citation Counts14,214
Rankings
Signal Processing | Pattern Recognition | Machine Intelligence | Data Minin
H-Index Metrics
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H-Index60
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i10 Index197
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Citation Counts24,987
Rankings
Sustainability Assessment | Sustainability Management | Sustainable Technology | Systems Engineerin
H-Index Metrics
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H-Index59
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i10 Index103
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Citation Counts10,059
Rankings
AI & Machine learning | Biomedical instrumentation | Digital Health | Material
H-Index Metrics
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H-Index58
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i10 Index226
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Citation Counts16,965
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