The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 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 6 years. As of Jan 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 (870.053) 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 IndexRankings
Ranking Based On Selection: 1
Natural Products Chemistry
Metrics
H-Index
i10 Index
Citation Counts
32
56
3,884
* Total H IndexRankings
Ranking Based On Selection: 2
organic chemistry
chemical biology
natural products chemistry
malaria
organic synthesisbiosynthesis
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,688
* Total H IndexRankings
Ranking Based On Selection: 3
Organic Chemistry
Natural Products
Marine Chemistry
Green Chemistry
Metrics
H-Index
i10 Index
Citation Counts
23
36
2,030
* Total H IndexRankings
Ranking Based On Selection: 4
Natural products and Industrial Chemistry
Metrics
H-Index
i10 Index
Citation Counts
22
43
2,206
* Total H IndexRankings
Ranking Based On Selection: 5
Organic Chemistry
Natural Products
Structural Elucidation
Antimicrobials
Antimalarials
Metrics
H-Index
i10 Index
Citation Counts
19
34
1,340
* Total H IndexRankings
Ranking Based On Selection: 6
organic chemistry
medicinal plants
organic synthesis
Metrics
H-Index
i10 Index
Citation Counts
15
16
1,172
* Total H IndexRankings
Ranking Based On Selection: 7
Analylitical/environmental chemistry
Metrics
H-Index
i10 Index
Citation Counts
13
21
695
* Total H IndexRankings
Ranking Based On Selection: 8
Atmospheric Chemistry & Sustainable Technology
Metrics
H-Index
i10 Index
Citation Counts
13
16
646
* Total H IndexRankings
Ranking Based On Selection: 9
Environmental Analytical chemistry
Environmental Risk Assessment
Emerging Contaminants
Metrics
H-Index
i10 Index
Citation Counts
13
13
1,173
* Total H IndexRankings
Ranking Based On Selection: 10
Organic Chemistry
Natural Products Chemistry
Phytochemistry
Biodiesel
Metrics
H-Index
i10 Index
Citation Counts
13
14
933
* Total H IndexRankings
Ranking Based On Selection: 11
Molecular Entomology
Bioinformatics
Biochemistry
Molecular Biology
Metrics
H-Index
i10 Index
Citation Counts
12
16
768
* Total H IndexRankings
Ranking Based On Selection: 12
Analytical and Food Nutrition Chemistry
Metrics
H-Index
i10 Index
Citation Counts
12
19
686
* Total H IndexRankings
Ranking Based On Selection: 13
Biosprospecting of Natural products
phytochemistry
Analytical-Envirinmental
teaching chemistry
Metrics
H-Index
i10 Index
Citation Counts
11
14
1,033
* Total H IndexRankings
Ranking Based On Selection: 14
Inorganic chemistry
Metrics
H-Index
i10 Index
Citation Counts
11
12
606
* Total H IndexRankings
Ranking Based On Selection: 15
Nanoscience
Nanochemistry and Nanotechnology
Metrics
H-Index
i10 Index
Citation Counts
11
11
777
* Total H IndexRankings
Ranking Based On Selection: 16
Biosorption
speciation of metal ions
Biomass as renewable energy
Metrics
H-Index
i10 Index
Citation Counts
11
12
452
* Total H IndexRankings
Ranking Based On Selection: 17
Analytical/ Environmental Chemistry
Metrics
H-Index
i10 Index
Citation Counts
10
11
474
* Total H IndexRankings
Ranking Based On Selection: 18
Organic Chemistry
Analytical Chemistry
Environmental Chemistry
Metrics
H-Index
i10 Index
Citation Counts
8
7
540
* Total H IndexRankings
Ranking Based On Selection: 19
Analytical Chemistry
Metrics
H-Index
i10 Index
Citation Counts
8
5
376
* Total H IndexRankings
Ranking Based On Selection: 20
Chemistry
Metrics
H-Index
i10 Index
Citation Counts
6
5
121
* Total H IndexRankings
Ranking Based On Selection: 21
Analytical chemistry
nanotechnology
physical and material chemistry in water treatment
Metrics
H-Index
i10 Index
Citation Counts
5
5
202
* Total H IndexRankings
Ranking Based On Selection: 22
Chemistry
Metrics
H-Index
i10 Index
Citation Counts
5
4
73
* Total H IndexRankings
Ranking Based On Selection: 23
Analytical Chemistry
Environmental Chemistry
Metrics
H-Index
i10 Index
Citation Counts
5
3
114
* Total H IndexRankings
Ranking Based On Selection: 24
Water treatment
Materials science
Marine Chemistry
Adsorption
Environment
Metrics
H-Index
i10 Index
Citation Counts
5
1
47
* Total H IndexRankings
Ranking Based On Selection: 25
Inorganic chemistry
Water quality
Metrics
H-Index
i10 Index
Citation Counts
4
2
59
Sumesh C. Chhabra
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
32
56
3,884
Isaiah Ndiege
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
25
36
2,688
organic chemistry
chemical biology
natural products chemistry
malaria
organic synthesisbiosynthesis
Keriko Joseph Mungai
Metrics
H-Index
i10-Index
Citation Counts
23
36
2,030
Organic Chemistry
Natural Products
Marine Chemistry
Green Chemistry
Patrick Kareru
Metrics
H-Index
i10-Index
Citation Counts
22
43
2,206
Natural products and Industrial Chemistry
Alex King ori Machocho
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
19
34
1,340
Organic Chemistry
Natural Products
Structural Elucidation
Antimicrobials
Antimalarials
Wilson Njue
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
15
16
1,172
organic chemistry
medicinal plants
organic synthesis
Analylitical/environmental chemistry
Njogu Paul Mwangi
Metrics
H-Index
i10-Index
Citation Counts
13
16
646
Atmospheric Chemistry & Sustainable Technology
Elijah Ngumba
Metrics
H-Index
i10-Index
Citation Counts
13
13
1,173
Environmental Analytical chemistry
Environmental Risk Assessment
Emerging Contaminants
Caroline Langat Thoruwa
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
13
14
933
Organic Chemistry
Natural Products Chemistry
Phytochemistry
Biodiesel
Steven Ger Nyanjom
Metrics
H-Index
i10-Index
Citation Counts
12
16
768
Molecular Entomology
Bioinformatics
Biochemistry
Molecular Biology
Hudson Nyambaka
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
12
19
686
Analytical and Food Nutrition Chemistry
Alphonse Wanyonyi Wafula
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
11
14
1,033
Biosprospecting of Natural products
phytochemistry
Analytical-Envirinmental
teaching chemistry
Nanoscience
Nanochemistry and Nanotechnology
Charles Onindo
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
11
12
452
Biosorption
speciation of metal ions
Biomass as renewable energy
Analytical/ Environmental Chemistry
George Thuku Thiongo
Metrics
H-Index
i10-Index
Citation Counts
8
7
540
Organic Chemistry
Analytical Chemistry
Environmental Chemistry
Jackson Kiptoo
Metrics
H-Index
i10-Index
Citation Counts
8
5
376
Julius M. William
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
6
5
121
Richard M Nthumbi
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
5
5
202
Analytical chemistry
nanotechnology
physical and material chemistry in water treatment
Joyline Gichuki
Metrics
H-Index
i10-Index
Citation Counts
5
4
73
Joel Klement Ogilo
Metrics
H-Index
i10-Index
Citation Counts
5
3
114
Analytical Chemistry
Environmental Chemistry
Water treatment
Materials science
Marine Chemistry
Adsorption
Environment
Adamu Abdulhameed
Kenyatta University
Nairobi, Kenya
Metrics
H-Index
i10-Index
Citation Counts
4
2
59
Inorganic chemistry
Water quality