Jan H. Christensen

Jan H. Christensen

Professor

Member of:

    ORCID: 0000-0003-1414-1886

    Publication year:
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    51 - 100 out of 177Page size: 50
    1. 2020
    2. Published

      Selective pressurized liquid extraction of plant secondary metabolites: Convallaria majalis L. as a case

      Liang, Xiaomeng, Nielsen, Nikoline Juul & Christensen, Jan H., 2020, In: Analytica Chimica Acta: X. 4, 9 p., 100040.

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

    3. Published

      The NORMAN Association and the European Partnership for Chemicals Risk Assessment (PARC): let’s cooperate!

      Dulio, V., Koschorreck, J., van Bavel, B., van den Brink, P., Hollender, J., Munthe, J., Schlabach, M., Aalizadeh, R., Agerstrand, M., Ahrens, L., Allan, I., Alygizakis, N., Barcelo’, D., Bohlin-Nizzetto, P., Boutroup, S., Brack, W., Bressy, A., Christensen, J. H., Cirka, L., Covaci, A. & 48 others, Derksen, A., Deviller, G., Dingemans, M. M. L., Engwall, M., Fatta-Kassinos, D., Gago-Ferrero, P., Hernández, F., Herzke, D., Hilscherová, K., Hollert, H., Junghans, M., Kasprzyk-Hordern, B., Keiter, S., Kools, S. A. E., Kruve, A., Lambropoulou, D., Lamoree, M., Leonards, P., Lopez, B., López de Alda, M., Lundy, L., Makovinská, J., Marigómez, I., Martin, J. W., McHugh, B., Miège, C., O’Toole, S., Perkola, N., Polesello, S., Posthuma, L., Rodriguez-Mozaz, S., Roessink, I., Rostkowski, P., Ruedel, H., Samanipour, S., Schulze, T., Schymanski, E. L., Sengl, M., Tarábek, P., Ten Hulscher, D., Thomaidis, N., Togola, A., Valsecchi, S., van Leeuwen, S., von der Ohe, P., Vorkamp, K., Vrana, B. & Slobodnik, J., 2020, In: Environmental Sciences Europe. 32, 11 p., 100.

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    4. Published

      The development and validation of a GC-MS method for the quantification of glycolaldehyde formed from carbohydrate fragmentation processes

      Fathalinejad, S., Taarning, E., Christensen, P. & Christensen, Jan H., 2020, In: Analytical Methods. 12, 15, p. 1975-1987 13 p.

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

    5. 2019
    6. Published

      A tiered analytical approach for target, non-target and suspect screening analysis of polar transformation products of polycyclic aromatic compounds

      Schemeth, D., Nielsen, Nikoline Juul, Andersson, J. T. & Christensen, Jan H., 1 Nov 2019, In: Chemosphere. 235, p. 175-184

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

    7. Published

      Optimization and validation of a derivatization method with boron trifluoride in ethanol for analysis of aromatic carboxylic acids in water

      Kristensen, M., Christensen, P. & Christensen, Jan H., 13 Sep 2019, In: Journal of Chromatography A. 1601, p. 21-26

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

    8. 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, Jan H., Kalogerakis, N. & Aulenta, F., 15 Jun 2019, In: Water Research. 157, p. 381-395

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

    9. 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, G. L., Malmborg, J., Augusto, F. & Christensen, Jan H., 26 Apr 2019, In: Journal of Chromatography A. 1591, p. 155-161 7 p.

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

    10. Published

      Supercritical fluid chromatography for the analysis of oxygenated polycyclic aromatic compounds in unconventional oils

      Lübeck, Josephine, Malmquist, L. M. V. & Christensen, Jan H., 29 Mar 2019, In: Journal of Chromatography A. 1589, p. 162-172

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

    11. Published

      Nontarget Analysis of Oxygenates in Catalytic Fast Pyrolysis Biocrudes by Supercritical Fluid Chromatography High-Resolution Mass Spectrometry

      Lübeck, Josephine, Tomasi, Giorgio, Poulsen, K. G., Mante, O. D., Dayton, D. C., Verdier, S. & Christensen, Jan H., 17 Jan 2019, In: Energy and Fuels. 33, 1, p. 296-306 11 p.

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

    12. 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, G. L., Tomasi, Giorgio, Kienhuis, P. G. M., Augusto, F. & Christensen, Jan H., 2 Jan 2019, In: Environmental Science and Technology. 53, 1, p. 550-559 10 p.

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

    13. Published

      In situ biodegradation, photooxidation and dissolution of petroleum compounds in Arctic seawater and sea ice

      Vergeynst, L., Christensen, Jan H., Kjeldsen, K. U., Meire, L., Boone, W., Malmquist, L. M. V. & Rysgaard, S., 1 Jan 2019, In: Water Research. 148, p. 459-468 10 p.

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

    14. Published

      Biodegradation, photooxidation and dissolution of petroleum compounds in an Arctic fjord during summer

      Vergeynst, L., Greer, C. W., Mosbech, A., Gustavson, K., Meire, L., Poulsen, K. G. & Christensen, Jan H., 2019, In: Environmental Science & Technology. 53, 21, p. 12197-12206

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

    15. Published

      Evaluation of dimethyl sulfoxide (DMSO) as a co-solvent for toxicity testing of hydrophobic organic compounds

      Modrzyński, J. J., Christensen, Jan H. & Brandt, Kristian Koefoed, 2019, In: Ecotoxicology. 28, p. 1136-1141

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

    16. 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., 2019, In: Chemosphere. 221, p. 226-234

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

    17. Published

      Soil bacteria and protists show different sensitivity to polycyclic aromatic hydrocarbons at controlled chemical activity

      Winding, A., Modrzyński, J. J., Christensen, Jan H., Brandt, Kristian Koefoed & Mayer, P., 2019, In: FEMS Microbiology Letters. 366, 17, fnz214.

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

    18. Published

      Tracing production with analytical chemistry: Can oil finger printing provide new answers

      Nielsen, J., Poulsen, K. G., Christensen, Jan H. & Sølling, Theis Ivan, 2019, Society of Petroleum Engineers - SPE Middle East Oil and Gas Show and Conference 2019, MEOS 2019. Bahrain: Society of Petroleum Engineers (SPE), 17 p. SPE-194916-MS

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

    19. 2018
    20. Published

      Chemical fingerprinting of mobile volatile organic compounds in soil by dynamic headspace-thermal desorption-gas chromatography-mass spectrometry

      Christensen, P., Dela Cruz, Majbrit, Tomasi, Giorgio, Nielsen, Nikoline Juul, Borggaard, O. K. & Christensen, Jan H., Apr 2018, In: LC GC Europe. 31, 4, p. 190-201 12 p.

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

    21. Published

      Complementary analysis of the water-soluble and water-insoluble fraction of catalytic fast pyrolysis biocrudes by two-dimensional gas chromatography

      Kristensen, M., Hansen, A. B., Mante, O. D., Dayton, D. C., Verdier, S., Christensen, P. & Christensen, Jan H., 2018, In: Energy & Fuels. 32, 5, p. 5960-5968 9 p.

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

    22. Published

      Different Forensic Approaches for Hydrocarbons Sources Identification in an Urban Cluster Environment: Guanabara Bay

      Meniconi, M. D. F. G., Wagener, A. D. L. R. & Christensen, Jan H., 2018, Oil Spill Environmental Forensics Case Studies. Elsevier, p. 563-591 29 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    23. Published

      Examples of unwanted variation when characterising dissolved organic matter using direct injection electrospray mass spectrometry and chemometrics

      Nielsen, Nikoline Juul, Christensen, P., Stedmon, C. & Christensen, Jan H., 2018, In: Analytical Methods. 10, 22, p. 2636-2646 11 p.

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

    24. Published

      Interaction mechanisms between polycyclic aromatic hydrocarbons (PAHs) and organic soil washing agents

      Greish, S., Rinnan, Åsmund, Marcussen, H., Holm, Peter Engelund & Christensen, Jan H., 2018, In: Environmental Science and Pollution Research. 25, 1, p. 299-311 13 p.

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

    25. Published

      SPE-LC-MS investigations for the isolation and fractionation of acidic oil degradation products

      Schemeth, D., Nielsen, Nikoline Juul & Christensen, Jan H., 2018, In: Analytica Chimica Acta. 1038, p. 182-190 9 p.

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

    26. Published

      Temporal characterization and statistical analysis of flowback and produced waters and their potential for reuse

      Oetjen, K., Chan, K. E., Poulsen, K. G., Christensen, Jan H., Blotevogel, J., Borch, T., Spear, J. R., Cath, T. Y. & Higgins, C. P., 2018, In: Science of the Total Environment. 619-620, p. 654-664 11 p.

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

    27. Published

      The Pixel-Based Chemometric Approach for Oil Spill Identification and Hydrocarbon Source Differentiation: Two Case Studies From the Persian Gulf

      Poulsen, K. G., Kristensen, M., Tomasi, Giorgio, Dela Cruz, Majbrit & Christensen, Jan H., 2018, Oil Spill Environmental Forensics Case Studies. Elsevier, p. 443-463 21 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    28. 2017
    29. Published

      Biodegradation of crude oil in Arctic subsurface water from the Disko Bay (Greenland) is limited

      Scheibye, K., Christensen, Jan H. & Johnsen, A. R., 2017, In: Environmental Pollution. 223, p. 73-80 8 p.

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

    30. Published

      Comparison of Quantitative and Semiquantitative Methods in Source Identification Following the OSPAR Oil Spill, in Paraná, Brazil

      Gallotta, F. D. C. & Christensen, Jan H., 2017, Oil Spill Environmental Forensics Case Studies. Elsevier, p. 515-561 47 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    31. Published

      Extraction optimization and pixel-based chemometric analysis of semi-volatile organic compounds in groundwater

      Christensen, P., Tomasi, Giorgio, Kristensen, M., Holm, Peter Engelund & Christensen, Jan H., 2017, In: Analytical Methods. 9, 41, p. 5970-5979 10 p.

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

    32. Published

      Increasing flexibility in two-dimensional liquid chromatography by pulsed elution of the first dimension: a proof of concept

      Jakobsen, S. S., Christensen, Jan H., Verdier, S., Mallet, C. R. & Nielsen, Nikoline Juul, 2017, In: Analytical Chemistry. 89, 17, p. 8723-8730 8 p.

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

    33. Published

      Optimizing gradient conditions in online comprehensive two-dimensional reversed-phase liquid chromatography by use of the linear solvent strength model

      Græsbøll, R., Janssen, H., Christensen, Jan H. & Nielsen, Nikoline Juul, 2017, In: Journal of Separation Science. 40, 18, p. 3612-3620 9 p.

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

    34. Published

      PAH metabolism in the earthworm Eisenia fetida - identification of phase II metabolites of phenanthrene and pyrene

      Schmidt, N., Boll, E. S., Malmquist, L. M. V. & Christensen, Jan H., 2017, In: International Journal of Environmental Analytical Chemistry. 97, 12, p. 1151-1162 12 p.

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

    35. Published

      Separation, detection and identification of phase I and phase II metabolites and their corresponding polycyclic aromatic compounds

      Malmquist, L. M. V., Boll, E. S., Nielsen, Nikoline Juul & Christensen, Jan H., 2017, In: Analytical Methods. 9, 22, p. 3323-3328 6 p.

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

    36. Published

      Source identification of beached oil at Al Zubarah, Northwestern Qatar

      Al-Kaabi, N. S., Kristensen, M., Zouari, N., Sølling, Theis Ivan, Bach, S. S., Al-Ghouti, M. & Christensen, Jan H., 2017, In: Journal of Petroleum Science and Engineering. 149, p. 107-113 7 p.

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

    37. Published

      The root external mycelium of mycorrhizal fungi has a key role in plant nutrition but is suppressed by the soil microbiota

      Cruz Paredes, C., Watts-Williams, S. J., Battini, F., Joner, E. J., Svenningsen, N. B., Dela Cruz, Majbrit, Christensen, Jan H., Nybroe, O. & Jakobsen, Iver, 2017, Proceedings Book: XVIII International Plant Nutrition Colloquium with Boron and Manganese Satellite Meetings. Carstensen, A., Laursen, K. H. & Schjoerring, J. K. (eds.). University of Copenhagen, p. 116-117 2 p.

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

    38. 2016
    39. Published

      A multivariate approach to oil hydrocarbon fingerprinting and spill source identification

      Christensen, Jan H. & Tomasi, Giorgio, 2016, Standard handbook oil spill environmental forensics: fingerprinting and source identification. Stout, S. & Wang, Z. (eds.). 2. ed. Elsevier, p. 747-788 42 p.

      Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

    40. Published

      Analysis of glyphosate and aminomethylphosphonic acid in leaves from Coffea arabica using high performance liquid chromatography with quadrupole mass spectrometry detection

      Schrübbers, L. C., Masis-Mora, M., Rojas, E. C., Valverde Mena, B. E., Christensen, Jan H. & Cedergreen, Nina, 2016, In: Talanta. 146, p. 609-620 12 p.

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

    41. Published

      Bacterial human virulence genes across diverse habitats as assessed by In silico analysis of environmental metagenomes

      Søborg, D. A., Hendriksen, N. B., Kilian, M., Christensen, Jan H. & Kroer, Niels, 2016, In: Frontiers in Microbiology. 7, 12 p., 1712.

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

    42. 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., 2016, In: Analusis - European Journal of Analytical Chemistry. 408, 21, p. 5855-5865 11 p.

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

    43. Published

      Limited recovery of soil microbial activity after transient exposure to gasoline vapors

      Modrzynski, J. J., Christensen, Jan H., Mayer, P. & Brandt, Kristian Koefoed, 2016, In: Environmental Pollution. 216, p. 826-835 10 p.

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

    44. 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, A. C., Cedergreen, Nina & Christensen, Jan H., 2016, In: Analytical and Bioanalytical Chemistry. 408, 4, p. 1055-1066 12 p.

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

    45. Published

      PAH related effects on fish in sedimentation ponds for road runoff and potential transfer of PAHs from sediment to biota

      Grung, M., Petersen, K., Fjeld, E., Allan, I., Christensen, Jan H., Malmquist, L. M. V., Meland, S. & Ranneklev, S., 2016, In: Science of the Total Environment. 566-567, p. 1309-1317 9 p.

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

    46. Published

      Removal of Polysorbate 80 by complexation prior to LC-MS analysis

      Jäpelt, K. B., Johnsen, L. G. & Christensen, Jan H., 2016, In: Analusis - European Journal of Analytical Chemistry. 408, 9, p. 2303-2307 5 p.

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

    47. Published

      Source apportionment of polycyclic aromatic hydrocarbons (PAHs) in sediments from Khuzestan province, Iran

      Lübeck, Josephine, Poulsen, K. G., Knudsen, S. B., Soleimani, M., Furbo, S., Tomasi, Giorgio & Christensen, Jan H., 2016, In: Marine Pollution Bulletin. 110, 1, p. 584-590 7 p.

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

    48. 2015
    49. Published

      Polar metabolites of polycyclic aromatic compounds from fungi are potential soil and groundwater contaminants

      Boll, E. S., Johnsen, A. R. & Christensen, Jan H., 1 Jan 2015, In: Chemosphere. 119, p. 250-257 8 p.

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

    50. Published

      An untargeted gas chromatography mass spectrometry metabolomics platform for marine polychaetes

      Fernandez Varela, R., Tomasi, Giorgio & Christensen, Jan H., 2015, In: Journal of Chromatography A. 1384, p. 133-141 9 p.

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

    51. Published

      Chemical fingerprinting of hydrocarbon-contamination in soil

      Boll, E. S., Nejrup, J., Jensen, J. K. & Christensen, Jan H., 2015, In: Environmental Science Processes & Impacts. 17, 3, p. 606-618 13 p.

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

    52. Published

      Indoor plants as air cleaners

      Dela Cruz, Majbrit, Christensen, Jan H. & Müller, Renate, 2015, Proceedings of the XI International People Plant Symposium on Diversity: towards a new vision of nature. Park, S. A. & Shoemaker, C. (eds.). International Society for Horticultural Science, p. 133-137 5 p. (Acta Horticulturae, Vol. 1093).

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

    53. Published

      Marine biodegradation of crude oil in temperate and Arctic water samples

      Kristensen, M., Johnsen, A. R. & Christensen, Jan H., 2015, In: Journal of Hazardous Materials. 300, p. 75-83 9 p.

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

    54. Published

      Metabolic fingerprinting of Lactobacillus paracasei: the optimal quenching strategy

      Jäpelt, K. B., Christensen, Jan H. & Villas-Boas, S. G., 2015, In: Microbial Cell Factories. 14, 10 p., 132.

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

    55. Published

      Metabolic fingerprinting of Lactobacillus paracasei: a multi-criteria evaluation of methods for extraction of intracellular metabolites

      Jäpelt, K. B., Nielsen, Nikoline Juul, Wiese, S. & Christensen, Jan H., 2015, In: Analytical and Bioanalytical Chemistry. 407, 20, p. 6095-6104 10 p.

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

    56. Published

      Polycyclic aromatic acids are primary metabolites of alkyl-PAHs - a case study with Nereis diversicolor

      Malmquist, L. M. V., Selck, H., Jørgensen, K. B. & Christensen, Jan H., 2015, In: Environmental Science & Technology (Washington). 49, 9, p. 5713-5721 9 p.

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

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