Olga C. Nunes

11.8k total citations · 2 hit papers
146 papers, 8.7k citations indexed

About

Olga C. Nunes is a scholar working on Pollution, Molecular Biology and Health, Toxicology and Mutagenesis. According to data from OpenAlex, Olga C. Nunes has authored 146 papers receiving a total of 8.7k indexed citations (citations by other indexed papers that have themselves been cited), including 70 papers in Pollution, 50 papers in Molecular Biology and 29 papers in Health, Toxicology and Mutagenesis. Recurrent topics in Olga C. Nunes's work include Pharmaceutical and Antibiotic Environmental Impacts (59 papers), Genomics and Phylogenetic Studies (26 papers) and Antibiotic Resistance in Bacteria (25 papers). Olga C. Nunes is often cited by papers focused on Pharmaceutical and Antibiotic Environmental Impacts (59 papers), Genomics and Phylogenetic Studies (26 papers) and Antibiotic Resistance in Bacteria (25 papers). Olga C. Nunes collaborates with scholars based in Portugal, Spain and Germany. Olga C. Nunes's co-authors include Célia M. Manaia, Ivone Vaz‐Moreira, Adrián M.T. Silva, M. Fernando R. Pereira, Ana R. Ribeiro, Ana Rita Lopes, Nuno F.F. Moreira, Ana C. Reis, Cristina Becerra-Castro and G. Macedo and has published in prestigious journals such as PLoS ONE, The Science of The Total Environment and Applied and Environmental Microbiology.

In The Last Decade

Olga C. Nunes

146 papers receiving 8.5k citations

Hit Papers

2 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

An overview on the advanced oxidation processes applied for the treatment of water pollutants defined in the recently launched Directive 2013/39/EU

2014 796 citations Ana R. Ribeiro, Olga C. Nunes et al. profile →
Antibiotic resistance in wastewater treatment plants: Tackling the black box

2018 357 citations Célia M. Manaia, Ivone Vaz‐Moreira et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Olga C. Nunes Portugal	47	4.3k	2.0k	1.7k	1.7k	1.5k	146	8.7k
Thomas Schwartz Germany	44	7.2k 1.7×	2.0k 1.0×	1.5k 0.9×	1.9k 1.2×	3.2k 2.1×	90	11.0k
Christophe Merlin France	31	4.7k 1.1×	1.2k 0.6×	1.0k 0.6×	1.5k 0.9×	2.2k 1.5×	60	7.6k
Karina Yew‐Hoong Gin Singapore	56	5.5k 1.3×	2.5k 1.3×	1.1k 0.6×	1.0k 0.6×	816 0.6×	221	11.6k
Yi Luo China	45	6.9k 1.6×	1.1k 0.6×	1.1k 0.6×	1.7k 1.0×	2.6k 1.8×	154	9.9k
Qian-Qian Zhang China	33	4.4k 1.0×	1.2k 0.6×	1.2k 0.7×	674 0.4×	814 0.5×	66	6.8k
Alistair B.A. Boxall United Kingdom	55	10.1k 2.4×	1.7k 0.8×	992 0.6×	862 0.5×	1.2k 0.8×	130	14.1k
Christophe Dagot France	27	3.9k 0.9×	1.4k 0.7×	815 0.5×	592 0.4×	1.5k 1.0×	75	5.6k
Chang‐Gui Pan China	31	4.0k 0.9×	1.1k 0.6×	1.1k 0.7×	681 0.4×	818 0.6×	64	6.8k
Herbert H. P. Fang Hong Kong	50	5.9k 1.4×	2.7k 1.3×	473 0.3×	1.8k 1.1×	899 0.6×	122	11.3k
Yuansong Wei China	51	4.4k 1.0×	2.7k 1.3×	693 0.4×	756 0.5×	849 0.6×	262	8.3k

Countries citing papers authored by Olga C. Nunes

Since Specialization

Citations

This map shows the geographic impact of Olga C. Nunes's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Olga C. Nunes with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Olga C. Nunes more than expected).

Fields of papers citing papers by Olga C. Nunes

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olga C. Nunes. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Olga C. Nunes. The network helps show where Olga C. Nunes may publish in the future.

Co-authorship network of co-authors of Olga C. Nunes

This figure shows the co-authorship network connecting the top 25 collaborators of Olga C. Nunes. A scholar is included among the top collaborators of Olga C. Nunes based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Olga C. Nunes. Olga C. Nunes is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Gomes, André D., et al.. (2025). Disinfection of Secondary Urban Wastewater Using Hydrogen Peroxide Combined with UV/Visible Radiation: Effect of Operating Conditions and Assessment of Microorganism Competition. Water. 17(4). 596–596. 1 indexed citations

Montes, Rosa, José Benito Quintana, Rosario Rodil, et al.. (2024). Continuous UV-C/H2O2 and UV-C/Chlorine applied to municipal secondary effluent and nanofiltration retentate: Removal of contaminants of emerging concern, ecotoxicity, and reuse potential. Chemosphere. 361. 142355–142355. 8 indexed citations

Madeira, Luı́s M., et al.. (2023). Catalyst-free persulfate activation by UV/visible radiation for secondary urban wastewater disinfection. Journal of Environmental Management. 348. 119486–119486. 10 indexed citations

Amaro, Helena M., et al.. (2023). Microalgal Systems, a Green Solution for Wastewater Conventional Pollutants Removal, Disinfection, and Reduction of Antibiotic Resistance Genes Prevalence?. Applied Sciences. 13(7). 4266–4266. 4 indexed citations

Manaia, Célia M., Diana S. Aga, Eddie Cytryn, et al.. (2022). The Complex Interplay Between Antibiotic Resistance and Pharmaceutical and Personal Care Products in the Environment. Environmental Toxicology and Chemistry. 43(3). 637–652. 24 indexed citations

Rodrigues, Carmen S.D., et al.. (2021). Application of iron-activated persulfate for municipal wastewater disinfection. Journal of Hazardous Materials. 426. 127989–127989. 23 indexed citations

Graça, Cátia A. L., Ana R. Ribeiro, Sérgio Castro‐Silva, et al.. (2020). A Pilot Study Combining Ultrafiltration with Ozonation for the Treatment of Secondary Urban Wastewater: Organic Micropollutants, Microbial Load and Biological Effects. Water. 12(12). 3458–3458. 16 indexed citations

Reis, Ana C., Boris A. Kolvenbach, Olga C. Nunes, & Philippe F.-X. Corvini. (2019). Biodegradation of antibiotics: The new resistance determinants – part II. New Biotechnology. 54. 13–27. 67 indexed citations

Reis, Ana C., Boris A. Kolvenbach, Olga C. Nunes, & Philippe F.-X. Corvini. (2019). Biodegradation of antibiotics: The new resistance determinants – part I. New Biotechnology. 54. 34–51. 143 indexed citations

10.

Lopes, Ana Rita, Nuno F.F. Moreira, Telma Fernandes, et al.. (2019). Removal of microorganisms and antibiotic resistance genes from treated urban wastewater: A comparison between aluminium sulphate and tannin coagulants. Water Research. 166. 115056–115056. 62 indexed citations

11.

Reis, Ana C., Monika Čvančarová, Ying Liu, et al.. (2018). Biodegradation of sulfamethoxazole by a bacterial consortium of Achromobacter denitrificans PR1 and Leucobacter sp. GP. Applied Microbiology and Biotechnology. 102(23). 10299–10314. 42 indexed citations

12.

Silva, Ana F., Ana C. Reis, Olga C. Nunes, et al.. (2018). Bioaugmentation of membrane bioreactor with Achromobacter denitrificans strain PR1 for enhanced sulfamethoxazole removal in wastewater. The Science of The Total Environment. 648. 44–55. 43 indexed citations

13.

Reis, Patrícia J.M., Vera Homem, Arminda Alves, et al.. (2018). Insights on sulfamethoxazole bio-transformation by environmental Proteobacteria isolates. Journal of Hazardous Materials. 358. 310–318. 63 indexed citations

14.

Reis, Ana C., Kevin J. Kroll, Margarita Gomila, et al.. (2017). Complete Genome Sequence of Achromobacter denitrificans PR1. Genome Announcements. 5(31). 11 indexed citations

15.

Carvalho, Gilda, et al.. (2017). Impact of biogenic substrates on sulfamethoxazole biodegradation kinetics by Achromobacter denitrificans strain PR1. Biodegradation. 28(2-3). 205–217. 47 indexed citations

16.

Lopes, Ana Rita, Berta N. Estevinho, José P. Leite, et al.. (2016). Production of microparticles of molinate degrading biocatalysts using the spray drying technique. Chemosphere. 161. 61–68. 9 indexed citations

17.

Vaz‐Moreira, Ivone, Conceição Egas, Olga C. Nunes, & Célia M. Manaia. (2012). Bacterial diversity from the source to the tap: a comparative study based on 16S rRNA gene-DGGE and culture-dependent methods. FEMS Microbiology Ecology. 83(2). 361–374. 97 indexed citations

18.

Lopes, Ana Rita, et al.. (2010). Comparative study of the microbial diversity of bulk paddy soil of two rice fields subjected to organic and conventional farming. Soil Biology and Biochemistry. 43(1). 115–125. 66 indexed citations

19.

Manaia, Célia M., Balbina Nogales, & Olga C. Nunes. (2003). Tepidiphilus margaritifer gen. nov., sp. nov., isolated from a thermophilic aerobic digester. INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY. 53(5). 1405–1410. 36 indexed citations

20.

Chung, Ana Paula, Olga C. Nunes, Brian J. Tindall, & Milton S. da Costa. (1993). The effect of the growth medium composition on the fatty acids ofRhodothermus marinusand âThermus thermosphilusâ HB-8. FEMS Microbiology Letters. 112(1). 13–18. 11 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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