Helle Sørensen

Helle Sørensen

Professor

ORCID: 0000-0001-5273-6093

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  1. Published

    Hepcidin and erythroferrone complement the Athlete Biological Passport in the detection of autologous blood transfusion

    Andersen, A. B., Bejder, Jacob, Bonne, T. C., Sørensen, H., Sørensen, Helle, Jung, G., Ganz, T., Nemeth, E., Secher, Niels H., Johansson, P. I. & Nordsborg, Nikolai Baastrup, 2022, In: Medicine and Science in Sports and Exercise. 54, 9, p. 1604-1616 13 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  2. Published

    A bias-adjusted estimator in quantile regression for clustered data

    Battagliola, M. L., Sørensen, Helle, Tolver, Anders & Staicu, A. M., 2022, In: Econometrics and Statistics. 23, p. 165-186 22 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. E-pub ahead of print

    Quantile Regression for Longitudinal Functional Data with Application to Feed Intake of Lactating Sows

    Battagliola, M. L., Sørensen, Helle, Tolver, Anders & Staicu, A. M., 2024, (E-pub ahead of print) In: Journal of Agricultural, Biological, and Environmental Statistics.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Hormesis in Mixtures - Can it be Predicted?

    Belz, R., Cedergreen, Nina & Sørensen, Helle, 2008. 1 p.

    Research output: Contribution to conference › Conference abstract for conference › Research

  5. Published

    Hormesis in mixtures - can it be predicted?

    Belz, R. G., Cedergreen, Nina & Sørensen, Helle, 2008, In: Science of the Total Environment. 404, 1, p. 77-87 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Is mixture toxicity measured on a biomarker indicative of what happens on a population level? a study with Lemna minor

    Cedergreen, Nina, Abbas Poor, M., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Ecotoxicology and Environmental Safety. 67, 3, p. 323-332 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. Published

    Independent action compared to concentration addition as reference models for mixtures of compounds with different molecular target sites

    Cedergreen, Nina, Christensen, A. M., Kamper, A., Kudsk, P., Streibig, Jens Carl & Sørensen, Helle, 2008, SETAC Europe 18th Annual Meeting: Extended abstracts. Society of Environmental Toxicology and Chemistry, p. 243-244 2 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  8. Published

    A review of independent action compared to concentration addition as reference models for mixtures of compounds with different molecular target sites

    Cedergreen, Nina, Christensen, A. M., Kamper, A., Kudsk, P., Matthiassen, S. K., Streibig, Jens Carl & Sørensen, Helle, 2008, In: Environmental Toxicology and Chemistry. 27, 7, p. 1621-1632 12 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Mixtures of toxicants

    Cedergreen, Nina, Skovgaard, I. M., Streibig, Jens Carl & Sørensen, Helle, 2004, Symposium i anvendt statistik: 26. årgang, 2004. red. Anders Holm ed. Museum Tusculanum, Vol. 26. p. 210-219 10 p.

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research

  10. Published

    Can the joint effect of ternary mixtures be predicted from binary mixture toxicity results?

    Cedergreen, Nina, Sørensen, Helle & Svendsen, C., 2012, In: Science of the Total Environment. 427-428, p. 229-237 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Reproducibility of binary-mixture toxicity studies

    Cedergreen, Nina, Kudsk, P., Kopp Mathiassen, S., Sørensen, Helle & Streibig, Jens Carl, 2007, In: Environmental Toxicology and Chemistry. 26, 1, p. 149-156 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Food texture preferences in early childhood: Insights from 3–6 years old children and parents

    Chow, Ching Yue, Bech, A. C., Sørensen, Helle, Olsen, Annemarie & Bredie, Wender, 2024, In: Food Quality and Preference. 113, 11 p., 105063.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    School children cooking and eating insects as part of a teaching program – Effects of cooking, insect type, tasting order and food neophobia on hedonic response

    Chow, Ching Yue, Riantiningtyas, Reisya Rizki, Sørensen, Helle & Frøst, Michael Bom, 2021, In: Food Quality and Preference. 87, 6 p., 104027.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    A hybridisation barrier between two evolutionary lineages of Barbarea vulgaris (Brassicaceae) that differ in biotic resistances

    Christensen, S., Sørensen, Helle, Jensen, Karen Rysbjerg & Hauser, T. P., 2016, In: Evolutionary Ecology. 30, 5, p. 887-904 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    Sammenhænge, risici, behandlingseffekter - kan vi stole på forskningsresultaterne?

    Ditlevsen, Susanne, Sørensen, Helle & Andersen, Per Kragh, 2018, In: Practicus. 241, p. 8-9

    Research output: Contribution to journal › Journal article › Research

  16. Published

    En introduktion til Statistik

    Ditlevsen, Susanne & Sørensen, Helle, 2010, Museum Tusculanum. 89 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  17. Published

    Lecture notes for "Statistisk Dataanalyse 1"

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2008, Department of Natural Sciences, University of Copenhagen. 204 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  18. Published

    Introduction to statistical data analysis for the life sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2009, Department of Basic Sciences and Environment, University of Copenhagen. 334 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  19. Published

    Introduction to Statistical Data Analysis for the Life Sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 2014, 2 ed. CRC Press. 514 p.

    Research output: Book/Report › Book › Research › peer-review

  20. Published

    Introduction to statistical data analysis for the life sciences

    Ekstrøm, Claus Thorn & Sørensen, Helle, 1 Jan 2010, 1. ed. CRC Press. 409 p.

    Research output: Book/Report › Book › Research › peer-review

  21. Published

    Cover crop root morphology rather than quality controls the fate of root and rhizodeposition C into distinct soil C pools

    Engedal, Tine, Magid, Jakob, Hansen, Veronika, Rasmussen, J., Sørensen, Helle & Jensen, Lars Stoumann, 2023, In: Global Change Biology. 29, 19, p. 5677-5690 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Acceptance of insect foods among Danish children: Effects of information provision, food neophobia, disgust sensitivity, and species on willingness to try

    Erhard, A. L., Águas Silva, M., Damsbo-Svendsen, M., Menadeva Karpantschof, B. E., Sørensen, Helle & Frøst, Michael Bom, 2023, In: Food Quality and Preference. 104, 9 p., 104713.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Goodness-of-fit based on downsampling with applications to linear drift diffusions

    Forman, Julie Lyng, Markussen, Bo & Sørensen, Helle, 2011, In: Scandinavian Journal of Statistics. 38, 2, p. 288-310 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Pseudohyphal growth in Saccharomyces cerevisiae involves protein kinase-regulated lipid flippases

    Frøsig, M. M., Costa, S. R., Liesche, J., Østerberg, J. T., Hanisch, S., Kjeldgaard-Nintemann, Sebastian J, Sørensen, Helle, Palmgren, Michael, Pomorski, Thomas Guenther & Lopez Marques, Rosa Laura, 6 Aug 2020, In: Journal of Cell Science. 133, 15, 235994.

    Research output: Contribution to journal › Journal article › Research › peer-review

  25. Published

    Micro vertical changes in soil pH and base cations over time after application of wood ash on forest soil

    Hansen, M., Bang-Andreasen, T., Sørensen, Helle & Ingerslev, Morten, 2017, In: Forest Ecology and Management. 406, p. 274-280 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. Published

    Ecotypic differentiation of two sympatric chemotypes of Barbarea vulgaris (Brassicaceae) with different biotic resistances

    Heimes, C., Agerbirk, Niels, Sørensen, Helle, van Mölken, T. & Hauser, T. P., 2016, In: Plant Ecology. 217, 9, p. 1055-1068 14 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  27. Published

    Metabolic Reliance on Photosynthesis Depends on Both Irradiance and Prey Availability in the Mixotrophic Ciliate, Strombidium cf. basimorphum

    Hughes, E. A., Maselli, Maira, Sørensen, Helle & Hansen, Per Juel, 2021, In: Frontiers in Microbiology. 12, 12 p., 642600.

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. Published

    Organic cropping practice decreases pest abundance and positively influences predator-prey interactions

    Jacobsen, Stine Kramer, Moraes, G. J., Sørensen, Helle & Sigsgaard, L, 2019, In: Agriculture, Ecosystems and Environment. 272, p. 1-9

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. Published

    Perennial flower strips in apple orchards promote natural enemies in their proximity

    Jacobsen, Stine Kramer, Sørensen, Helle & Sigsgaard, L, 2022, In: Crop Protection. 156, 9 p., 105962.

    Research output: Contribution to journal › Journal article › Research › peer-review

  30. Published

    Lecture notes for applied statistics

    Tolver, Anders & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 174 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  31. Published

    Immature reticulocytes are sensitive and specific to low-dose erythropoietin treatment at sea level and altitude

    Jeppesen, Jan Sommer, Breenfeldt Andersen, A., Bonne, T. C., Thomassen, Martin, Sørensen, Helle, Nordsborg, Nikolai Baastrup, Olsen, N. V., Huertas, J. R. & Bejder, Jacob, 2021, In: Drug Testing and Analysis. 13, 7, p. 1331-1340 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    Phosphorus accumulation and leaching risk of greenhouse vegetable soils in Southeast China

    Kalkhajeh, Y. K., Huang, B., Sørensen, Helle, Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 2021, In: Pedosphere. 31, 5, p. 683-693 11 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. Published

    DGT technique to assess P mobilization from greenhouse vegetable soils in China: A novel approach

    Kalkhajeh, Y. K., Sørensen, Helle, Huang, B., Guan, D., Luo, J., Hu, W., Holm, Peter Engelund & Hansen, Hans Chr. Bruun, 15 Jul 2018, In: Science of the Total Environment. 630, p. 331-339

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    Recovery of nutrients from the liquid fraction of digestate: Use of enriched zeolite and biochar as nitrogen fertilizers

    Kocatürk-Schumacher, N. P., Zwart, K., Bruun, Sander, Jensen, Lars Stoumann, Sørensen, Helle & Brussaard, L., 2019, In: Journal of Plant Nutrition and Soil Science. p. 187–195

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Defining the twig fungal communities of Fraxinus species and Fraxinus excelsior genotypes with differences in susceptibility to ash dieback

    Kosawang, Chatchai, Sørensen, Helle, Kjær, Erik Dahl, Dilokpimol, A., McKinney, L. V., Collinge, David B. & Nielsen, Lene Rostgaard, 2019, In: Fungal Ecology. 42, 8 p., 100859.

    Research output: Contribution to journal › Journal article › Research › peer-review

  36. Published

    Succession of the fungal endophytic microbiome of wheat is dependent on tissue-specific interactions between host genotype and environment

    Latz, Meike, Kerrn, Mads Herbert, Sørensen, Helle, Collinge, David B., Jensen, Birgit, Brown, J. K. M., Madsen, A. M. & Jørgensen, Hans Jørgen Lyngs, 2021, In: Science of the Total Environment. 759, 11 p., 143804.

    Research output: Contribution to journal › Journal article › Research › peer-review

  37. Published

    Coexistence facilitates interspecific biofilm formation in complex microbial communities

    Madsen, Jonas Stenløkke, Røder, Henriette Lyng, Russel, J., Sørensen, Helle, Burmølle, Mette & Sørensen, Søren Johannes, 2016, In: Environmental Microbiology. 18, 8, p. 2565–2574

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Hierarchical modelling of temperature and habitat size effects on population dynamics of North Atlantic cod

    Mantzouni, I., Sørensen, Helle, O'Hara, R. B. & MacKenzie, B. R., 2010, In: ICES Journal of Marine Science. 67, 5, p. 833-855 23 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Canopy photosynthesis and time-of-day application of supplemental light

    Markvart, J., Rosenqvist, Eva, Sørensen, Helle, Ottosen, C. & Aaslyng, J. P. M., 2009, In: HortScience. 44, 5, p. 1284-1290 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  40. Published

    A first guide to statistical computations in R

    Martinussen, Torben, Skovgaard, I. & Sørensen, Helle, 2012, Biofolia/Samfundslitteratur.

    Research output: Book/Report › Book › Education

  41. Published

    A note on R: linear models and models with random effects

    Martinussen, Torben, Skovgaard, I. M. & Sørensen, Helle, 2007, Frederiksberg: Department of Natural Sciences, University of Copenhagen. 60 p.

    Research output: Book/Report › Compendium/lecture notes › Education

  42. Published

    Effect of temperature on reproduction and embryonic development of the cabbage stem flea beetle, Psylliodes chrysocephala L., (Coleoptera: Chrysomelidae)

    Mathiasen, Helle, Sørensen, Helle, Bligaard, J. & Esbjerg, Peter, 2015, In: Journal of Applied Entomology. 139, 8, p. 600-608 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Multinomial functional regression with wavelets and LASSO penalization

    Mousavi, S. N. & Sørensen, Helle, 2017, In: Econometrics and Statistics. 150–166

    Research output: Contribution to journal › Journal article › Research › peer-review

  44. Published

    Functional logistic regression: a comparison of three methods

    Mousavi, S. N. & Sørensen, Helle, 2018, In: Journal of Statistical Computation and Simulation. 88, 2, p. 250-268

    Research output: Contribution to journal › Journal article › Research › peer-review

  45. Published

    Cellular shear stiffness reflects progression of arsenic-induced transformation during G1

    Muñoz, A., Eldridge, W. J., Jakobsen, N. M., Sørensen, Helle, Wax, A. & Costa, M., 2018, In: Carcinogenesis. 39, 2, p. 109–117 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  46. Published

    Biological control of rice sheath blight using hyphae-associated bacteria: development of an in planta screening assay to predict biological control agent performance under field conditions

    Nicolaisen, Mette Haubjerg, Nguyen Duc Cuong, Herschend, J., Jensen, Birgit, Le Cam Loan, Pham Van Du, Sørensen, Jan, Sørensen, Helle & Olsson, S., 2018, In: BioControl. 63, 6, p. 843-853

    Research output: Contribution to journal › Journal article › Research › peer-review

  47. Published

    Impacts of empty fruit bunch applications on soil organic carbon in an industrial oil palm plantation

    Noirot, L. M., Müller-Stöver, Dorette Sophie, Wahyuningsih, R., Sørensen, Helle, Sudarno, Simamora, A., Pujianto, Suhardi & Caliman, J. P., 2022, In: Journal of Environmental Management. 317, 9 p., 115373.

    Research output: Contribution to journal › Journal article › Research › peer-review

  48. Published

    Higher N2O emissions from organic compared to synthetic N fertilisers on sandy soils in a cool temperate climate

    Petersen, S. O., Peixoto, L. E. K., Sørensen, Helle, Tariq, Azeem, Brændholt, Andreas, Hansen, Line Vinther, Abalos, D., Christensen, A. T., Nielsen, C. S., Pullens, J. W. M., Bruun, Sander, Jensen, Lars Stoumann & Olesen, J. E., 2023, In: Agriculture, Ecosystems and Environment. 358, 12 p., 108718.

    Research output: Contribution to journal › Journal article › Research › peer-review

  49. Published

    Local inference for functional linear mixed models

    Pini, A., Sørensen, Helle, Tolver, Anders & Vantini, S., 2023, In: Computational Statistics and Data Analysis. 181, 19 p., 107688.

    Research output: Contribution to journal › Journal article › Research › peer-review

  50. Published

    High spatial and fast changes of iron redox state and phosphorus solubility in a seasonally flooded temperate wetland soil

    Prem, M., Hansen, Hans Chr. Bruun, Wenzel, W., Heiberg, L., Sørensen, Helle & Borggaard, Ole K., 2015, In: Wetlands. 35, 2, p. 237-246 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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