Top 100 Scientists

Top 100 Scientists in Portugal 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (1,014,157 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects. 

* Rankings
Ranking Based On Selection :1
Joao Crespo
Chemical Engineering
Membrane Science and Engineering
Bioengineering
Metrics
H-Index
i10 Index
Citation
65
260
14,315
* Rankings
Ranking Based On Selection :2
Isabel M.Fonseca
Heterogenous Catalysis
Adsorption
Carbon Materials
Reaction Engineering
Nanomaterials
Metrics
H-Index
i10 Index
Citation
47
135
7,733
* Rankings
Ranking Based On Selection :4
Pedro M Castro
Optimization
Scheduling
Process Systems Engineering
Chemical Engineering
Operations Research
Metrics
H-Index
i10 Index
Citation
40
78
5,321
* Rankings
Ranking Based On Selection :5
José Augusto Paixão Coelho
Chemical Engineering
Supercritical fluids
Antioxidants
Thermodinamics
Food Technology
Metrics
H-Index
i10 Index
Citation
27
42
2,806
* Rankings
Ranking Based On Selection :7
Adelino Filipe C Cunha
Energy
Renewable Resources
Chemical Engineering
Catalysis
Process Intensification
Metrics
H-Index
i10 Index
Citation
23
29
1,554
* Rankings
Ranking Based On Selection :8
Amin Karmali
Enzyme and monoclonal antibody technology
Biocatalysis
Biosensors
Protein separation methods
Mushroom technology.
Metrics
H-Index
i10 Index
Citation
23
42
1,313
* Rankings
Ranking Based On Selection :10
Ricardo Gómez Garcia
Chemical Engineering
Food Science & Technology
Biotechnology
Food Chemistry
Biorefinery approach
Metrics
H-Index
i10 Index
Citation
13
17
969
* Rankings
Ranking Based On Selection :12
Gisela Marta Oliveira
Chemical engineering
Environmental engineering
Industrial Biotechnology
Metrics
H-Index
i10 Index
Citation
11
13
584
Carla Cotas
Data Analytics
Data Science
Computional Fluid Dynamics
Metrics
H-Index
i10 Index
Citation
7
6
352
Ana Maria Barreiros
Chemical Engineering
Environmental Sciences
water resources
wastewater treatment
Metrics
H-Index
i10 Index
Citation
5
3
145
Rankings
Ranking Based On Selection: 1
Joao Crespo
Metrics
H-Index
i10 Index
Citation Counts
65
260
14,315
Chemical Engineering
Membrane Science and Engineering
Bioengineering
Rankings
Ranking Based On Selection: 2
Isabel M.Fonseca
Metrics
H-Index
i10 Index
Citation Counts
47
135
7,733
Heterogenous Catalysis
Adsorption
Carbon Materials
Reaction Engineering
Nanomaterials
Rankings
Ranking Based On Selection: 3
Raquel Guiné
Metrics
H-Index
i10 Index
Citation Counts
43
195
8,852
Rankings
Ranking Based On Selection: 4
Pedro M Castro
Metrics
H-Index
i10 Index
Citation Counts
40
78
5,321
Optimization
Scheduling
Process Systems Engineering
Chemical Engineering
Operations Research
Rankings
Ranking Based On Selection: 5
José Augusto Paixão Coelho
Metrics
H-Index
i10 Index
Citation Counts
27
42
2,806
Chemical Engineering
Supercritical fluids
Antioxidants
Thermodinamics
Food Technology
Rankings
Ranking Based On Selection: 6
João M Silva|João Miguel Silva
Metrics
H-Index
i10 Index
Citation Counts
25
45
1,760
Rankings
Ranking Based On Selection: 7
Adelino Filipe C Cunha
Metrics
H-Index
i10 Index
Citation Counts
23
29
1,554
Energy
Renewable Resources
Chemical Engineering
Catalysis
Process Intensification
Rankings
Ranking Based On Selection: 8
Amin Karmali
Metrics
H-Index
i10 Index
Citation Counts
23
42
1,313
Enzyme and monoclonal antibody technology
Biocatalysis
Biosensors
Protein separation methods
Mushroom technology.
Rankings
Ranking Based On Selection: 9
Belmiro Duarte
Metrics
H-Index
i10 Index
Citation Counts
16
27
862
Rankings
Ranking Based On Selection: 10
Ricardo Gómez Garcia
Metrics
H-Index
i10 Index
Citation Counts
13
17
969
Chemical Engineering
Food Science & Technology
Biotechnology
Food Chemistry
Biorefinery approach
Rankings
Ranking Based On Selection: 11
Nuno Graça
Metrics
H-Index
i10 Index
Citation Counts
13
14
493
Rankings
Ranking Based On Selection: 12
Gisela Marta Oliveira
Metrics
H-Index
i10 Index
Citation Counts
11
13
584
Chemical engineering
Environmental engineering
Industrial Biotechnology
Rankings
Ranking Based On Selection: 13
Elisa Ramalho
Metrics
H-Index
i10 Index
Citation Counts
10
10
458
Rankings
Ranking Based On Selection: 14
Felipe Silva
Metrics
H-Index
i10 Index
Citation Counts
7
7
387
Rankings
Ranking Based On Selection: 15
Carla Cotas
Metrics
H-Index
i10 Index
Citation Counts
7
6
352
Data Analytics
Data Science
Computional Fluid Dynamics
Rankings
Ranking Based On Selection: 16
Ana Maria Barreiros
Metrics
H-Index
i10 Index
Citation Counts
5
3
145
Chemical Engineering
Environmental Sciences
water resources
wastewater treatment