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 Feb 02, 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
Computational Chemistry
Nanomaterials Science
Physical Chemistry
Metrics
H-Index
i10 Index
Citation Counts
99
292
40,507
* Total H IndexRankings
Ranking Based On Selection: 2
Physics
Materials Science
Metrics
H-Index
i10 Index
Citation Counts
88
538
34,276
* Total H IndexRankings
Ranking Based On Selection: 3
Ecology
conservation biology
global change
Metrics
H-Index
i10 Index
Citation Counts
81
144
26,191
* Total H IndexRankings
Ranking Based On Selection: 4
muscle biology
aging
exercise physiology
Metrics
H-Index
i10 Index
Citation Counts
79
166
34,011
* Total H IndexRankings
Ranking Based On Selection: 5
Metrics
H-Index
i10 Index
Citation Counts
74
165
20,885
* Total H IndexRankings
Ranking Based On Selection: 6
Neuroscience
Metrics
H-Index
i10 Index
Citation Counts
70
103
38,229
* Total H IndexRankings
Ranking Based On Selection: 7
Radiology
Metrics
H-Index
i10 Index
Citation Counts
61
204
14,089
* Total H IndexRankings
Ranking Based On Selection: 8
Infectious Diseases
Metrics
H-Index
i10 Index
Citation Counts
60
197
13,154
* Total H IndexRankings
Ranking Based On Selection: 9
Medical imaging
Metrics
H-Index
i10 Index
Citation Counts
59
203
12,031
* Total H IndexRankings
Ranking Based On Selection: 10
radiopharmaceuticals
Metrics
H-Index
i10 Index
Citation Counts
59
206
11,738
* Total H IndexRankings
Ranking Based On Selection: 11
Pharmaceutical Biotechnology
Protein Biochemistry
Drug Delivery
Natural Products from Algae
Sustainability
Metrics
H-Index
i10 Index
Citation Counts
59
127
11,000
* Total H IndexRankings
Ranking Based On Selection: 12
Pancreato-biliary surgery
Metrics
H-Index
i10 Index
Citation Counts
57
178
14,107
* Total H IndexRankings
Ranking Based On Selection: 13
Orchidology
Plant Reproductive Ecology
Invasive Species Biology
Tropical Biology
Caribbean Floristics
Metrics
H-Index
i10 Index
Citation Counts
52
110
9,333
* Total H IndexRankings
Ranking Based On Selection: 14
Musculoskeletal Rehabilitation
Muscle aging
Metrics
H-Index
i10 Index
Citation Counts
51
165
15,543
* Total H IndexRankings
Ranking Based On Selection: 15
Infectious Diseases
Antimicrobial Resistance
Staphylococcus aureus
Acinetobacter baumannii
Metrics
H-Index
i10 Index
Citation Counts
50
161
11,824
* Total H IndexRankings
Ranking Based On Selection: 16
Earthworm Ecology
Disturbance Ecology
Forestry
Soil Science
Metrics
H-Index
i10 Index
Citation Counts
50
109
8,775
* Total H IndexRankings
Ranking Based On Selection: 17
Tropical forest structure and diversity
Metrics
H-Index
i10 Index
Citation Counts
46
69
15,019
* Total H IndexRankings
Ranking Based On Selection: 18
Electrochemistry
Metrics
H-Index
i10 Index
Citation Counts
46
152
9,324
* Total H IndexRankings
Ranking Based On Selection: 19
climate
Metrics
H-Index
i10 Index
Citation Counts
44
173
7,988
* Total H IndexRankings
Ranking Based On Selection: 20
aerosols
clouds
African dust
carbonaceous aerosols
air quality
Metrics
H-Index
i10 Index
Citation Counts
43
59
7,255
* Total H IndexRankings
Ranking Based On Selection: 21
Computer and Communication Networks
Wireless communications
Metrics
H-Index
i10 Index
Citation Counts
42
122
7,157
* Total H IndexRankings
Ranking Based On Selection: 22
Biology
Metrics
H-Index
i10 Index
Citation Counts
41
128
8,122
* Total H IndexRankings
Ranking Based On Selection: 23
regeneration biology
echinoderms
nervous system development
Metrics
H-Index
i10 Index
Citation Counts
40
89
5,176
* Total H IndexRankings
Ranking Based On Selection: 24
Epidemiology
Diabetes
Obesity
Cardiometabolic risk
Hepatitis C
Metrics
H-Index
i10 Index
Citation Counts
39
115
21,207
* Total H IndexRankings
Ranking Based On Selection: 25
Biomedical Applications of Nanostructured Materials
Metrics
H-Index
i10 Index
Citation Counts
39
122
4,652
Zhongfang Chen
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
99
292
40,507
Computational Chemistry
Nanomaterials Science
Physical Chemistry
Ram S Katiyar|Ram Katiyar, RS Katiyar, R Katiyar
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
88
538
34,276
T Mitchell Aide
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
81
144
26,191
Ecology
conservation biology
global change
Walter Frontera
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
79
166
34,011
Jess K Zimmerman
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
74
165
20,885
Gregory J Quirk
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
70
103
38,229
Chang-Min Park
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
61
204
14,089
Wan Beom Park
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
60
197
13,154
Jae Sung Lee
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
59
203
12,031
Jeong Jae Min
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
59
206
11,738
Kai Griebenow
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
59
127
11,000
Pharmaceutical Biotechnology
Protein Biochemistry
Drug Delivery
Natural Products from Algae
Sustainability
Yoo-Seok Yoon
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
57
178
14,107
Pancreato-biliary surgery
James D Ackerman
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
52
110
9,333
Orchidology
Plant Reproductive Ecology
Invasive Species Biology
Tropical Biology
Caribbean Floristics
Jae-Young Lim
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
51
165
15,543
Kyoung-Ho Song
National University College
Arecibo, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
50
161
11,824
Infectious Diseases
Antimicrobial Resistance
Staphylococcus aureus
Acinetobacter baumannii
Xiaoming Zou
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
50
109
8,775
Earthworm Ecology
Disturbance Ecology
Forestry
Soil Science
Nicholas Brokaw
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
46
69
15,019
Tropical forest structure and diversity
Carlos R Cabrera
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
46
152
9,324
Mark R Jury
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
44
173
7,988
Olga L Mayol Bracero|Mayol-Bracero
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
43
59
7,255
aerosols
clouds
African dust
carbonaceous aerosols
air quality
Kejie Lu
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
42
122
7,157
Computer and Communication Networks
Wireless communications
Joel E Gonzalez Nieves
Metrics
H-Index
i10-Index
Citation Counts
41
128
8,122
Jose E Garcia Arraras
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
40
89
5,176
Cynthia M Perez
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
39
115
21,207
Epidemiology
Diabetes
Obesity
Cardiometabolic risk
Hepatitis C
Gerardo Morell
Universidad de Puerto Rico
Rawalakot, Puerto Rico
Metrics
H-Index
i10-Index
Citation Counts
39
122
4,652
Biomedical Applications of Nanostructured Materials