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].
Rankings
Rankings
Pharmacognosy | isolation and identification of biologically active leads from natural sources | microbial metabolism and semisy
H-Index Metrics
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H-Index52
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i10 Index291
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Citation Counts17,079
Rankings
Medical Microbiology | Bacteriology | Immunology | Mycolog
H-Index Metrics
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H-Index50
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i10 Index91
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Citation Counts10,030
Rankings
Rankings
Rankings
Rankings
Rankings
Environmental toxicology | risk assessment | life cycle analysis | persistent organic pollutants | integrated ecosystem assessmen
H-Index Metrics
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H-Index40
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i10 Index249
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Citation Counts8,321
Rankings
Rankings
Biomaterials | Nanomaterials | electrocatalysi
H-Index Metrics
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H-Index36
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i10 Index77
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Citation Counts4,606
Rankings
Rankings
Molecular Biology | Non-coding RNA | bioinformatic
H-Index Metrics
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H-Index33
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i10 Index83
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Citation Counts3,854
Rankings
Medical education | Hypertension | Endothelium-derived Factor
H-Index Metrics
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H-Index31
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i10 Index51
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Citation Counts3,743
Rankings
Rankings
Rankings
Rankings
Microbiology | Immunology | Proteomics | Bioinformatics | Genomic
H-Index Metrics
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H-Index28
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i10 Index46
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Citation Counts5,228
Rankings
Enzymes | proteins | extremophiles | extremozyme
H-Index Metrics
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H-Index28
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i10 Index53
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Citation Counts2,944
Rankings
clinical biochemistry | non-communicable diseases | natural products | drug discover
H-Index Metrics
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H-Index28
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i10 Index42
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Citation Counts7,264
Rankings
Biochar | Composting | Carbon Sequestration | Climate Change Mitigation | Plant and Soil Ecosyste
H-Index Metrics
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H-Index27
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i10 Index38
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Citation Counts3,729
Rankings
Natural products (isolation | structure elucidation | analysis | biological activity
H-Index Metrics
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H-Index27
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i10 Index59
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Citation Counts1,861
Rankings
Rankings
Reproductive Medicine and Assisted Conceptio
H-Index Metrics
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H-Index25
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i10 Index35
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Citation Counts2,450
Rankings
Conservation ecology | Medicinal plants. arid environments | Population ecolog
H-Index Metrics
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H-Index25
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i10 Index75
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Citation Counts2,376
Rankings
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