Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
17,537
Country Rank
37
Institution Rank : 8
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Manuel Fernando R. Pereira](https://cdn.adscientificindex.com/pictures/b1/4989048.jpg)
Catalysis
Environmental Technologies
Carbon Materials
Functional Materials
Reaction Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,389
17,619
0.512
* Total Citation Counts Rankings
World Rank
72,937
Country Rank
187
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Maria Natalia DS Cordeiro](https://cdn.adscientificindex.com/pictures/ed/4986341.jpg)
Theoretical & Computational Chemistry
Machine Learning
Materials & Drug Design
Toxicity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,575
6,662
0.530
* Total Citation Counts Rankings
World Rank
678,790
Country Rank
23,124
Institution Rank : 183
![](https://cdn.adscientificindex.com/logos/9853.jpg)
![Brazil](/flags/br.png)
![Ian Porto Gurgel Do Amaral](https://cdn.adscientificindex.com/pictures/71/897719.jpg)
Enzimologia e fisiologia de animais aquáticos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
971
425
0.438
* Total Citation Counts Rankings
World Rank
899,870
Country Rank
3,691
Institution Rank : 105
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Ana Oliveira](/user/assets/images/profile/no-profile-photo.png)
Drug Discovery
Computational Enzymology
Molecular Dynamics Simulations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
506
416
0.822
* Total Citation Counts Rankings
World Rank
928,332
Country Rank
3,899
Institution Rank : 127
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Ana Smc Rodrigues](/pictures/01/4459582.jpg)
physical chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
316
0.687
* Total Citation Counts Rankings
World Rank
1,004,726
Country Rank
4,377
Institution Rank : 208
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Cátia Azenha](/user/assets/images/profile/no-profile-photo.png)
catalysis
co2 electroreduction
materials science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
320
0.912
* Total Citation Counts Rankings
World Rank
1,036,737
Country Rank
4,533
Institution Rank : 248
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Luís Miguel Álvares Ribeiro](/pictures/62/4940134.jpg)
Química
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
313
100
0.319
* Total Citation Counts Rankings
World Rank
1,132,454
Country Rank
4,832
Institution Rank : 303
![](https://cdn.adscientificindex.com/logos/9815.png)
![Portugal](/flags/pt.png)
![Ricardo Segundo](/pictures/c6/4940264.jpg)
Catálise Heterógena
Energia Solar
Foto-catálise
Fenton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
227
77
0.339
* Total Citation Counts Rankings
World Ranking
17,537
Country Ranking
37
Institution Ranking
8
Manuel Fernando R. Pereira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
34,389
17,619
0.512
![](https://cdn.adscientificindex.com/logos/9815.png)
Catalysis
Environmental Technologies
Carbon Materials
Functional Materials
Reaction Engineering
* Total Citation Counts Rankings
World Ranking
72,937
Country Ranking
187
Institution Ranking
24
Maria Natalia DS Cordeiro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,575
6,662
0.530
![](https://cdn.adscientificindex.com/logos/9815.png)
Theoretical & Computational Chemistry
Machine Learning
Materials & Drug Design
Toxicity
* Total Citation Counts Rankings
World Ranking
678,790
Country Ranking
23,124
Institution Ranking
183
Ian Porto Gurgel Do Amaral
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
971
425
0.438
![](https://cdn.adscientificindex.com/logos/9853.jpg)
Enzimologia e fisiologia de animais aquáticos
* Total Citation Counts Rankings
World Ranking
899,870
Country Ranking
3,691
Institution Ranking
105
Ana Oliveira
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
506
416
0.822
![](https://cdn.adscientificindex.com/logos/9815.png)
Drug Discovery
Computational Enzymology
Molecular Dynamics Simulations
* Total Citation Counts Rankings
World Ranking
928,332
Country Ranking
3,899
Institution Ranking
127
Ana Smc Rodrigues
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
460
316
0.687
* Total Citation Counts Rankings
World Ranking
1,004,726
Country Ranking
4,377
Institution Ranking
208
Cátia Azenha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
351
320
0.912
![](https://cdn.adscientificindex.com/logos/9815.png)
catalysis
co2 electroreduction
materials science
* Total Citation Counts Rankings
World Ranking
1,036,737
Country Ranking
4,533
Institution Ranking
248
Luís Miguel Álvares Ribeiro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
313
100
0.319
* Total Citation Counts Rankings
World Ranking
1,132,454
Country Ranking
4,832
Institution Ranking
303
Ricardo Segundo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
227
77
0.339
![](https://cdn.adscientificindex.com/logos/9815.png)
Catálise Heterógena
Energia Solar
Foto-catálise
Fenton