Flemming Nielsen

11.5k total citations · 3 hit papers
177 papers, 8.8k citations indexed

About

Flemming Nielsen is a scholar working on Health, Toxicology and Mutagenesis, Environmental Chemistry and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Flemming Nielsen has authored 177 papers receiving a total of 8.8k indexed citations (citations by other indexed papers that have themselves been cited), including 82 papers in Health, Toxicology and Mutagenesis, 63 papers in Environmental Chemistry and 31 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Flemming Nielsen's work include Per- and polyfluoroalkyl substances research (63 papers), Toxic Organic Pollutants Impact (35 papers) and Effects and risks of endocrine disrupting chemicals (29 papers). Flemming Nielsen is often cited by papers focused on Per- and polyfluoroalkyl substances research (63 papers), Toxic Organic Pollutants Impact (35 papers) and Effects and risks of endocrine disrupting chemicals (29 papers). Flemming Nielsen collaborates with scholars based in Denmark, United States and Faroe Islands. Flemming Nielsen's co-authors include Philippe Grandjean, Pál Weihe, Helle Raun Andersen, Esben Budtz–Jørgensen, Jesper Bo Nielsen, Carsten Heilmann, Tina Kold Jensen, Jørgen Drejer, Elizabeth J. Fletcher and S.N. Davies and has published in prestigious journals such as Science, JAMA and Environmental Science & Technology.

In The Last Decade

Flemming Nielsen

172 papers receiving 8.6k citations

Hit Papers

Quinoxalinediones: Potent Competitive Non-NMDA Glutamate ... 1988 2026 2000 2013 1988 1997 2012 250 500 750 1000
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.

  1. Quinoxalinediones: Potent Competitive Non-NMDA Glutamate Receptor Antagonists
    1988 1.1k citations Flemming Nielsen et al. profile →
  2. Plasma malondialdehyde as biomarker for oxidative stress: reference interval and effects of life-style factors
    1997 870 citations Flemming Nielsen, Jesper Bo Nielsen et al. profile →
  3. Serum Vaccine Antibody Concentrations in Children Exposed to Perfluorinated Compounds
    2012 591 citations Philippe Grandjean, Esben Budtz–Jørgensen et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Flemming Nielsen Denmark 47 3.7k 3.1k 1.5k 972 951 177 8.8k
Hugo Neels Belgium 71 7.5k 2.0× 646 0.2× 1.3k 0.8× 541 0.6× 670 0.7× 266 16.1k
Helle Margrete Meltzer Norway 58 2.8k 0.8× 950 0.3× 693 0.5× 393 0.4× 2.4k 2.6× 222 10.7k
Rebecca C. Fry United States 49 3.6k 1.0× 1.7k 0.6× 2.7k 1.7× 113 0.1× 1.5k 1.6× 287 8.4k
Joseph W. DePierre Sweden 48 1.7k 0.5× 1.4k 0.5× 5.0k 3.3× 323 0.3× 580 0.6× 220 11.9k
Yoshito Kumagai Japan 54 2.3k 0.6× 684 0.2× 5.0k 3.2× 350 0.4× 431 0.5× 283 11.0k
Michael I. Luster United States 48 2.3k 0.6× 1.1k 0.4× 1.9k 1.2× 312 0.3× 249 0.3× 181 8.6k
Emanuela Corsini Italy 47 1.6k 0.4× 523 0.2× 1.6k 1.1× 989 1.0× 339 0.4× 242 8.5k
Roberto Fanelli Italy 48 3.3k 0.9× 467 0.2× 1.2k 0.8× 341 0.4× 450 0.5× 262 10.9k
Pál Weihe Faroe Islands 64 9.9k 2.7× 2.6k 0.8× 671 0.4× 93 0.1× 1.4k 1.5× 221 14.1k
Douglas I. Walker United States 41 1.9k 0.5× 803 0.3× 1.9k 1.2× 182 0.2× 504 0.5× 153 5.3k

Countries citing papers authored by Flemming Nielsen

Since Specialization
Citations

This map shows the geographic impact of Flemming Nielsen'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 Flemming Nielsen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Flemming Nielsen more than expected).

Fields of papers citing papers by Flemming Nielsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Flemming Nielsen. 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 Flemming Nielsen. The network helps show where Flemming Nielsen may publish in the future.

Co-authorship network of co-authors of Flemming Nielsen

This figure shows the co-authorship network connecting the top 25 collaborators of Flemming Nielsen. A scholar is included among the top collaborators of Flemming Nielsen 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 Flemming Nielsen. Flemming Nielsen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Andersen, Helle Raun, Lars Christian Lund, Flemming Nielsen, et al.. (2025). Association between exposure to pyrethroids and chlorpyrifos at age 5 years and IQ at age 7 years among children from the Odense Child Cohort, a prospective birth cohort study. Environmental Research. 268. 120853–120853. 1 indexed citations
2.
Madsen, Mette, et al.. (2025). PFAS concentrations in the blood of Danish surfers. International Journal of Hygiene and Environmental Health. 264. 114522–114522. 1 indexed citations
3.
Jensen, Richard Christian, Dorte Glintborg, Erich Batzella, et al.. (2025). Higher PFOS exposure associated with higher SHBG in third trimester. The Odense Child Cohort. Environmental Research. 274. 121265–121265. 1 indexed citations
4.
Lund, Lars Christian, Helle Raun Andersen, Flemming Nielsen, et al.. (2025). Impact of prenatal and childhood exposure to pyrethroids and chlorpyrifos on motor skills in 7-year-old children from the Odense Child Cohort. Environmental Research. 284. 122225–122225.
5.
Timmermann, Clara Amalie Gade, Işık Somuncu Johansen, Carsten Heilmann, et al.. (2024). Antibody response to SARS-CoV-2 mRNA vaccination in Danish adults exposed to perfluoroalkyl substances (PFASs): The ENFORCE study. Environmental Research. 263(Pt 1). 120039–120039. 3 indexed citations
6.
Valvi, Damaskini, David C. Christiani, Brent A. Coull, et al.. (2023). Gene–environment interactions in the associations of PFAS exposure with insulin sensitivity and beta-cell function in a Faroese cohort followed from birth to adulthood. Environmental Research. 226. 115600–115600. 15 indexed citations
7.
Just, Søren Andreas, Flemming Nielsen, Dorte Aalund Olsen, et al.. (2023). Cytochrome P450 activity in rheumatoid arthritis patients during continuous IL-6 receptor antagonist therapy. European Journal of Clinical Pharmacology. 79(12). 1687–1698. 1 indexed citations
8.
Paarup, Helene M., Clara Amalie Gade Timmermann, Flemming Nielsen, et al.. (2023). Early-life exposure to perfluoroalkyl substances and serum antibody concentrations towards common childhood vaccines in 18-month-old children in the Odense Child Cohort. Environmental Research. 242. 117814–117814. 8 indexed citations
9.
Grandjean, Philippe, Alessandra Meddis, Flemming Nielsen, et al.. (2023). Dose dependence of prenatal fluoride exposure associations with cognitive performance at school age in three prospective studies. European Journal of Public Health. 34(1). 143–149. 16 indexed citations
10.
Grandjean, Philippe, et al.. (2023). Estimated exposure to perfluoroalkyl substances during infancy and serum-adipokine concentrations in later childhood. Pediatric Research. 94(5). 1832–1837. 4 indexed citations
11.
Valvi, Damaskini, Kurt Højlund, Brent A. Coull, et al.. (2021). Life-course Exposure to Perfluoroalkyl Substances in Relation to Markers of Glucose Homeostasis in Early Adulthood. The Journal of Clinical Endocrinology & Metabolism. 106(8). 2495–2504. 27 indexed citations
12.
Timmermann, Clara Amalie Gade, Marianne Andersen, Esben Budtz–Jørgensen, et al.. (2021). Pregnancy Exposure to Perfluoroalkyl Substances and Associations With Prolactin Concentrations and Breastfeeding in the Odense Child Cohort. The Journal of Clinical Endocrinology & Metabolism. 107(2). e631–e642. 24 indexed citations
13.
Jørgensen, Louise Helskov, Lise Pedersen, Flemming Nielsen, et al.. (2021). Reference intervals for trace elements in the general Danish population and their dependence on serum proteins. Scandinavian Journal of Clinical and Laboratory Investigation. 81(7). 523–531. 4 indexed citations
14.
Domazet, Sidsel L., Tina Kold Jensen, Niels Wedderkopp, et al.. (2020). Exposure to perfluoroalkylated substances (PFAS) in relation to fitness, physical activity, and adipokine levels in childhood: The european youth heart study. Environmental Research. 191. 110110–110110. 31 indexed citations
15.
Jensen, Richard Christian, Dorte Glintborg, Anne Schmedes, et al.. (2020). Perfluoroalkyl Substance Exposure Early In Pregnancy Was Negatively Associated With Late Pregnancy Cortisone Levels. The Journal of Clinical Endocrinology & Metabolism. 105(8). e2834–e2844. 11 indexed citations
16.
Timmermann, Clara Amalie Gade, Kristoffer Jarlov Jensen, Flemming Nielsen, et al.. (2020). Serum Perfluoroalkyl Substances, Vaccine Responses, and Morbidity in a Cohort of Guinea-Bissau Children. Environmental Health Perspectives. 128(8). 87002–87002. 63 indexed citations
17.
Grandjean, Philippe, Youssef Oulhote, Peter Plomgaard, et al.. (2019). Early Life Exposures to Perfluoroalkyl Substances in Relation to Adipokine Hormone Levels at Birth and During Childhood. The Journal of Clinical Endocrinology & Metabolism. 104(11). 5338–5348. 24 indexed citations
18.
Timmermann, Clara Amalie Gade, Anna L. Choi, Maria Skaalum Petersen, et al.. (2017). Secondary sex ratio in relation to exposures to polychlorinated biphenyls, dichlorodiphenyl dichloroethylene and methylmercury. International Journal of Circumpolar Health. 76(1). 1406234–1406234. 7 indexed citations
19.
Nielsen, Flemming, et al.. (2017). Microdialysis as a tool to determine the local tissue concentration of dicloxacillin in man. British Journal of Clinical Pharmacology. 84(3). 533–541. 4 indexed citations
20.
Nielsen, Jesper Bo, Flemming Nielsen, & Jens Ahm Sørensen. (2004). <italic>In Vitro</italic> Percutaneous Penetration of Five Pesticides—Effects of Molecular Weight and Solubility Characteristics. The Annals of Occupational Hygiene. 48(8). 697–705. 35 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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