Jan H. Christensen

Jan H. Christensen

Professor


  1. 2019
  2. Published

    A tiered analytical approach for target, non-target and suspect screening analysis of polar transformation products of polycyclic aromatic compounds. / Schemeth, Dieter; Nielsen, Nikoline J.; Andersson, Jan T.; Christensen, Jan H.

    In: Chemosphere, Vol. 235, 01.11.2019, p. 175-184.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Optimization and validation of a derivatization method with boron trifluoride in ethanol for analysis of aromatic carboxylic acids in water. / Kristensen, Mette; Christensen, Peter; Christensen, Jan H.

    In: Journal of Chromatography A, Vol. 1601, 13.09.2019, p. 21-26.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Combining electrokinetic transport and bioremediation for enhanced removal of crude oil from contaminated marine sediments : Results of a long-term, mesocosm-scale experiment. / Cappello, S.; Cruz Viggi, C.; Yakimov, M.; Rossetti, S.; Matturro, B.; Molina, L.; Segura, A.; Marqués, S.; Yuste, L.; Sevilla, E.; Rojo, F.; Sherry, A.; Mejeha, O. K.; Head, I. M.; Malmquist, L.; Christensen, J. H.; Kalogerakis, N.; Aulenta, F.

    In: Water Research, Vol. 157, 15.06.2019, p. 381-395.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Investigating weathering in light diesel oils using comprehensive two-dimensional gas chromatography–High resolution mass spectrometry and pixel-based analysis : Possibilities and limitations. / Alexandrino, Guilherme L.; Malmborg, Jonas; Augusto, Fabio; Christensen, Jan H.

    In: Journal of Chromatography A, Vol. 1591, 26.04.2019, p. 155-161.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Supercritical fluid chromatography for the analysis of oxygenated polycyclic aromatic compounds in unconventional oils. / Lübeck, Josephine S.; Malmquist, Linus M.V.; Christensen, Jan H.

    In: Journal of Chromatography A, Vol. 1589, 29.03.2019, p. 162-172.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Nontarget Analysis of Oxygenates in Catalytic Fast Pyrolysis Biocrudes by Supercritical Fluid Chromatography High-Resolution Mass Spectrometry. / Lübeck, Josephine S.; Tomasi, Giorgio; Poulsen, Kristoffer G.; Mante, Ofei D.; Dayton, David C.; Verdier, Sylvain; Christensen, Jan H.

    In: Energy and Fuels, Vol. 33, No. 1, 17.01.2019, p. 296-306.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Forensic Investigations of Diesel Oil Spills in the Environment Using Comprehensive Two-Dimensional Gas Chromatography-High Resolution Mass Spectrometry and Chemometrics : New Perspectives in the Absence of Recalcitrant Biomarkers. / Alexandrino, Guilherme L.; Tomasi, Giorgio; Kienhuis, Paul G.M.; Augusto, Fabio; Christensen, Jan H.

    In: Environmental Science and Technology, Vol. 53, No. 1, 02.01.2019, p. 550-559.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    In situ biodegradation, photooxidation and dissolution of petroleum compounds in Arctic seawater and sea ice. / Vergeynst, Leendert; Christensen, Jan H.; Kjeldsen, Kasper Urup; Meire, Lorenz; Boone, Wieter; Malmquist, Linus M.V.; Rysgaard, Søren.

    In: Water Research, Vol. 148, 01.01.2019, p. 459-468.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Removal of volatile gasoline compounds by indoor potted plants studied by pixel-based fingerprinting analysis. / Dela Cruz, Majbrit; Tomasi, Giorgio; Müller, Renate; Christensen, Jan H.

    In: Chemosphere, Vol. 221, 2019, p. 226-234.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Published

    Tracing production with analytical chemistry : Can oil finger printing provide new answers. / Nielsen, J.; Poulsen, K.G.; Christensen, J.H.; Solling, T.I.

    Society of Petroleum Engineers - SPE Middle East Oil and Gas Show and Conference 2019, MEOS 2019. Vol. 2019-March Bahrain : Society of Petroleum Engineers (SPE), 2019.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  12. 2018
  13. Published

    Chemical fingerprinting of mobile volatile organic compounds in soil by dynamic headspace–Thermal desorption–Gas chromatography–Mass spectrometry. / Christensen, Peter; Cruz, Majbrit Dela; Tomasi, Giorgio; Nielsen, Nikoline J.; Borggaard, Ole K.; Christensen, Jan H.

    In: LC-GC North America, Vol. 36, No. 9, 01.09.2018, p. 672-683.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Chemical fingerprinting of mobile volatile organic compounds in soil by dynamic headspace-thermal desorption-gas chromatography-mass spectrometry. / Christensen, Peter; Dela Cruz, Majbrit; Tomasi, Giorgio; Nielsen, Nikoline Juul; Borggaard, Ole K.; Christensen, Jan H.

    In: LC GC Europe, Vol. 31, No. 4, 2018, p. 190-201.

    Research output: Contribution to journalJournal articleResearchpeer-review

  15. Published

    Complementary analysis of the water-soluble and water-insoluble fraction of catalytic fast pyrolysis biocrudes by two-dimensional gas chromatography. / Kristensen, Mette; Hansen, Asger B.; Mante, Ofei D.; Dayton, David C.; Verdier, Sylvain; Christensen, Peter; Christensen, Jan H.

    In: Energy & Fuels, Vol. 32, No. 5, 2018, p. 5960-5968.

    Research output: Contribution to journalJournal articleResearchpeer-review

  16. Published

    Examples of unwanted variation when characterising dissolved organic matter using direct injection electrospray mass spectrometry and chemometrics. / Nielsen, Nikoline Juul; Christensen, Peter; Stedmon, C.; Christensen, Jan H.

    In: Analytical Methods, Vol. 10, No. 22, 2018, p. 2636-2646.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Published

    Interaction mechanisms between polycyclic aromatic hydrocarbons (PAHs) and organic soil washing agents. / Greish, Sarah; Rinnan, Åsmund; Marcussen, Helle; Holm, Peter Engelund; Christensen, Jan H.

    In: Environmental Science and Pollution Research, Vol. 25, No. 1, 2018, p. 299-311.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. Published

    SPE-LC-MS investigations for the isolation and fractionation of acidic oil degradation products. / Schemeth, Dieter; Nielsen, Nikoline Juul; Christensen, Jan H.

    In: Analytica Chimica Acta, Vol. 1038, 2018, p. 182-190.

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Temporal characterization and statistical analysis of flowback and produced waters and their potential for reuse. / Oetjen, Karl; Chan, Kevin E.; Poulsen, Kristoffer Gulmark; Christensen, Jan H.; Blotevogel, Jens; Borch, Thomas; Spear, John R.; Cath, Tzahi Y.; Higgins, Christopher P.

    In: Science of the Total Environment, Vol. 619-620, 2018, p. 654-664.

    Research output: Contribution to journalJournal articleResearchpeer-review

  20. 2017
  21. Published

    Comparison of Quantitative and Semiquantitative Methods in Source Identification Following the OSPAR Oil Spill, in Paraná, Brazil. / Gallotta, Fabiana D.C.; Christensen, Jan H.

    Oil Spill Environmental Forensics Case Studies. Elsevier Science Inc., 2017. p. 515-561.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  22. Published

    Different Forensic Approaches for Hydrocarbons Sources Identification in an Urban Cluster Environment : Guanabara Bay. / Meniconi, Maria de F.G.; Wagener, Angela de L.R.; Christensen, Jan H.

    Oil Spill Environmental Forensics Case Studies. Elsevier Science Inc., 2017. p. 563-591.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  23. Published

    The Pixel-Based Chemometric Approach for Oil Spill Identification and Hydrocarbon Source Differentiation : Two Case Studies From the Persian Gulf. / Poulsen, Kristoffer G.; Kristensen, Mette; Tomasi, Giorgio; Dela Cruz, Majbrit; Christensen, Jan H.

    Oil Spill Environmental Forensics Case Studies. Elsevier Science Inc., 2017. p. 443-463.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  24. Published

    Biodegradation of crude oil in Arctic subsurface water from the Disko Bay (Greenland) is limited. / Scheibye, Katrine; Christensen, Jan H.; Johnsen, Anders R.

    In: Environmental Pollution, Vol. 223, 2017, p. 73-80.

    Research output: Contribution to journalJournal articleResearchpeer-review

  25. Published

    Extraction optimization and pixel-based chemometric analysis of semi-volatile organic compounds in groundwater. / Christensen, Peter; Tomasi, Giorgio; Kristensen, Mette; Holm, Peter Engelund; Christensen, Jan H.

    In: Analytical Methods, Vol. 9, No. 41, 2017, p. 5970-5979.

    Research output: Contribution to journalJournal articleResearchpeer-review

  26. Published

    Increasing flexibility in two-dimensional liquid chromatography by pulsed elution of the first dimension : a proof of concept. / Jakobsen, Simon S.; Christensen, Jan H.; Verdier, Sylvain; Mallet, Claude R.; Nielsen, Nikoline Juul.

    In: Analytical Chemistry, Vol. 89, No. 17, 2017, p. 8723-8730.

    Research output: Contribution to journalJournal articleResearchpeer-review

  27. Published

    Optimizing gradient conditions in online comprehensive two-dimensional reversed-phase liquid chromatography by use of the linear solvent strength model. / Græsbøll, Rune; Janssen, Hans-Gerd; Christensen, Jan H.; Nielsen, Nikoline Juul.

    In: Journal of Separation Science, Vol. 40, No. 18, 2017, p. 3612-3620.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Published

    PAH metabolism in the earthworm Eisenia fetida - identification of phase II metabolites of phenanthrene and pyrene. / Schmidt, Nadine; Boll, Esther Sørensen; Malmquist, Linus Mattias Valdemar; Christensen, Jan H.

    In: International Journal of Environmental Analytical Chemistry, Vol. 97, No. 12, 2017, p. 1151-1162.

    Research output: Contribution to journalJournal articleResearchpeer-review

  29. Published

    Separation, detection and identification of phase I and phase II metabolites and their corresponding polycyclic aromatic compounds. / Malmquist, Linus Mattias Valdemar; Boll, Esther Sørensen; Nielsen, Nikoline Juul; Christensen, Jan H.

    In: Analytical Methods, Vol. 9, No. 22, 2017, p. 3323-3328.

    Research output: Contribution to journalJournal articleResearchpeer-review

  30. Published

    Source identification of beached oil at Al Zubarah, Northwestern Qatar. / Al-Kaabi, Nasser S.; Kristensen, Mette; Zouari, Nabil; Sølling, Theis Ivan; Bach, Steffen S.; Al-Ghouti, Mohammed; Christensen, Jan H.

    In: Journal of Petroleum Science and Engineering, Vol. 149, 2017, p. 107-113.

    Research output: Contribution to journalJournal articleResearchpeer-review

  31. Published

    The root external mycelium of mycorrhizal fungi has a key role in plant nutrition but is suppressed by the soil microbiota. / Cruz Paredes, Carla; Watts-Williams, Stephanie J.; Battini, Fabio; Joner, Erik J.; Svenningsen, Nanna Bygvraa; Dela Cruz, Majbrit; Christensen, Jan H.; Nybroe, Ole; Jakobsen, Iver.

    Proceedings Book: XVIII International Plant Nutrition Colloquium with Boron and Manganese Satellite Meetings. ed. / Andreas Carstensen; Kristian Holst Laursen; Jan Kofod Schjoerring. University of Copenhagen, 2017. p. 116-117.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  32. 2016
  33. Published

    Erratum to : Metabolic fingerprinting of Lactobacillus paracasei: The optimal quenching strategy Microb Cell Fact (2015) 14:132 doi 10.1186/s12934-015-0322-5. / Jäpelt, Kristina B.; Christensen, Jan H.; Villas-Bôas, Silas G.

    In: Microbial Cell Factories, Vol. 15, No. 1, 18, 20.01.2016.

    Research output: Contribution to journalComment/debateResearchpeer-review

  34. Published

    A multivariate approach to oil hydrocarbon fingerprinting and spill source identification. / Christensen, Jan H.; Tomasi, Giorgio.

    Standard handbook oil spill environmental forensics: fingerprinting and source identification. ed. / Scott Stout; Zhendi Wang. 2. ed. Elsevier, 2016. p. 747-788.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  35. Published

    Analysis of glyphosate and aminomethylphosphonic acid in leaves from Coffea arabica using high performance liquid chromatography with quadrupole mass spectrometry detection. / Schrübbers, Lars Christoph; Masis-Mora, Mario; Rojas, Elizabeth Carazo; Valverde Mena, Bernal Eduardo; Christensen, Jan H.; Cedergreen, Nina.

    In: Talanta, Vol. 146, 2016, p. 609-620.

    Research output: Contribution to journalJournal articleResearchpeer-review

  36. Published

    Bacterial human virulence genes across diverse habitats as assessed by In silico analysis of environmental metagenomes. / Søborg, Ditte Andreasen; Hendriksen, Niels B.; Kilian, Mogens; Christensen, Jan H.; Kroer, Niels.

    In: Frontiers in Microbiology, Vol. 7, 1712, 2016.

    Research output: Contribution to journalJournal articleResearchpeer-review

  37. Published

    Evaluation of chromatographic conditions in reversed phase liquid chromatography-mass spectrometry systems for fingerprinting of polar and amphiphilic plant metabolites. / Nielsen, Nikoline Juul; Tomasi, Giorgio; Christensen, Jan H.

    In: Analusis - European Journal of Analytical Chemistry, Vol. 408, No. 21, 2016, p. 5855-5865.

    Research output: Contribution to journalJournal articleResearchpeer-review

  38. Published

    Limited recovery of soil microbial activity after transient exposure to gasoline vapors. / Modrzynski, Jakub Jan; Christensen, Jan H.; Mayer, Philipp; Brandt, Kristian Koefoed.

    In: Environmental Pollution, Vol. 216, 2016, p. 826-835.

    Research output: Contribution to journalJournal articleResearchpeer-review

  39. Published

    Measuring internal azole and pyrethroid pesticide concentrations in Daphnia magna using QuEChERS and GC-ECD—method development with a focus on matrix effects. / Kretschmann, Andreas Christopher; Cedergreen, Nina; Christensen, Jan H.

    In: Analytical and Bioanalytical Chemistry, Vol. 408, No. 4, 2016, p. 1055-1066.

    Research output: Contribution to journalJournal articleResearchpeer-review

  40. Published

    PAH related effects on fish in sedimentation ponds for road runoff and potential transfer of PAHs from sediment to biota. / Grung, Merete; Petersen, Karina; Fjeld, Eirik; Allan, Ian; Christensen, Jan H.; Malmquist, Linus Mattias Valdemar; Meland, Sondre; Ranneklev, Sissel.

    In: Science of the Total Environment, Vol. 566-567, 2016, p. 1309-1317.

    Research output: Contribution to journalJournal articleResearchpeer-review

  41. Published

    Removal of Polysorbate 80 by complexation prior to LC-MS analysis. / Jäpelt, Kristina Bak; Johnsen, Lea Giørtz; Christensen, Jan H.

    In: Analusis - European Journal of Analytical Chemistry, Vol. 408, No. 9, 2016, p. 2303-2307.

    Research output: Contribution to journalJournal articleResearchpeer-review

  42. Published

    Source apportionment of polycyclic aromatic hydrocarbons (PAHs) in sediments from Khuzestan province, Iran. / Lübeck, Josephine; Poulsen, Kristoffer Gulmark; Knudsen, Sofie B.; Soleimani, Mohsen; Furbo, Søren; Tomasi, Giorgio; Christensen, Jan H.

    In: Marine Pollution Bulletin, Vol. 110, No. 1, 2016, p. 584-590.

    Research output: Contribution to journalJournal articleResearchpeer-review

  43. 2015
  44. Published

    An untargeted gas chromatography mass spectrometry metabolomics platform for marine polychaetes. / Fernandez Varela, Raquel; Tomasi, Giorgio; Christensen, Jan H.

    In: Journal of Chromatography A, Vol. 1384, 2015, p. 133-141.

    Research output: Contribution to journalJournal articleResearchpeer-review

  45. Published

    Chemical fingerprinting of hydrocarbon-contamination in soil. / Boll, Esther Sørensen; Nejrup, Jens; Jensen, Julie K.; Christensen, Jan H.

    In: Environmental Science Processes & Impacts, Vol. 17, No. 3, 2015, p. 606-618.

    Research output: Contribution to journalJournal articleResearchpeer-review

  46. Published

    Indoor plants as air cleaners. / Dela Cruz, Majbrit; Christensen, Jan H.; Müller, Renate.

    Proceedings of the XI International People Plant Symposium on Diversity: towards a new vision of nature. ed. / S. A. Park; C. Shoemaker. International Society for Horticultural Science, 2015. p. 133-137 (Acta Horticulturae, Vol. 1093).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  47. Published

    Marine biodegradation of crude oil in temperate and Arctic water samples. / Kristensen, Mette; Johnsen, Anders R.; Christensen, Jan H.

    In: Journal of Hazardous Materials, Vol. 300, 2015, p. 75-83.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    Metabolic fingerprinting of Lactobacillus paracasei : the optimal quenching strategy. / Jäpelt, Kristina Bak; Christensen, Jan H.; Villas-Boas, Silas G.

    In: Microbial Cell Factories, Vol. 14, 132, 2015.

    Research output: Contribution to journalJournal articleResearchpeer-review

  49. Published

    Metabolic fingerprinting of Lactobacillus paracasei : a multi-criteria evaluation of methods for extraction of intracellular metabolites. / Jäpelt, Kristina Bak; Nielsen, Nikoline Juul; Wiese, Stefanie; Christensen, Jan H.

    In: Analytical and Bioanalytical Chemistry, Vol. 407, No. 20, 2015, p. 6095-6104.

    Research output: Contribution to journalJournal articleResearchpeer-review

  50. Published

    Polar metabolites of polycyclic aromatic compounds from fungi are potential soil and groundwater contaminants. / Boll, Esther Sørensen; Johnsen, Anders R.; Christensen, Jan H.

    In: Chemosphere, Vol. 119, 2015, p. 250-257.

    Research output: Contribution to journalJournal articleResearchpeer-review

  51. Published

    Polycyclic aromatic acids are primary metabolites of alkyl-PAHs - a case study with Nereis diversicolor. / Malmquist, Linus Mattias Valdemar; Selck, Henriette; Jørgensen, Kåre Bredeli; Christensen, Jan H.

    In: Environmental Science & Technology (Washington), Vol. 49, No. 9, 2015, p. 5713-5721.

    Research output: Contribution to journalJournal articleResearchpeer-review

  52. 2014
  53. Published

    Pixel-based analysis of comprehensive two-dimensional gas chromatograms (color plots) of petroleum : a tutorial. / Furbo, Søren; Hansen, Asger B.; Skov, Thomas; Christensen, Jan H.

    In: Analytical Chemistry, Vol. 86, No. 15, 05.08.2014, p. 7160-7170.

    Research output: Contribution to journalJournal articleResearchpeer-review

  54. Published

    Assessment of volatile organic compound removal by indoor plants-a novel experimental setup. / Dela Cruz, Majbrit; Müller, Renate; Svensmark, Bo; Pedersen, Jakob Skov; Christensen, Jan H.

    In: Environmental Science and Pollution Research, Vol. 21, No. 13, 2014, p. 7838-7846.

    Research output: Contribution to journalJournal articleResearchpeer-review

  55. Published

    Can ornamental potted plants remove volatile organic compounds from indoor air? - a review. / Dela Cruz, Majbrit; Christensen, Jan H.; Thomsen, Jane Dyrhauge; Müller, Renate.

    In: Environmental Science and Pollution Research, Vol. 21, No. 24, 2014, p. 13909-13928.

    Research output: Contribution to journalJournal articleResearchpeer-review

  56. Published

    First intercomparison study on the analysis of oxygenated polycyclic aromatic hydrocarbons (oxy-PAHs) and nitrogen heterocyclic polycyclic aromatic compounds (N-PACs) in contaminated soil. / Lundstedt, S.; Bandowe, B.A.M.; Wilcke, W.; Boll, Esther Sørensen; Christensen, Jan H.; Vila, J.; Grifoll, M.; Faure, P.; Biache, C.; Lorgeoux, C.; Larsson, M.; Irgum, K. Frech; Ivarsson, P.; Ricci, M.

    In: Trends in Analytical Chemistry, Vol. 57, 2014, p. 83-92.

    Research output: Contribution to journalReviewResearchpeer-review

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