Jan H. Christensen

Jan H. Christensen

Professor

Member of:


    1. Published

      Using the hydrophobic subtraction model to choose orthogonal columns for online comprehensive two-dimensional liquid chromatography

      Græsbøll, R., Nielsen, Nikoline Juul & Christensen, Jan H., 2014, In: Journal of Chromatography A. 1326, p. 39-46 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      Univariate and multivariate characterization of heavy fuel oil weathering and biodegradation in soil

      Lamberts, R. F., Johnsen, A. R., Andersen, O. & Christensen, Jan H., 2008, In: Environmental Pollution. 156, 2, p. 297-305 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Ultra-high performance supercritical fluid chromatography-MS for the analysis of organic contaminants in sediments

      Lübeck, Josephine, Christensen, Jan H. & Tomasi, Giorgio, 2023, In: Journal of Separation Science. 46, 1, 2200668.

      Research output: Contribution to journalJournal articleResearchpeer-review

    4. 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 proceedingArticle in proceedingsResearchpeer-review

    5. Published

      Tools to discover anionic and nonionic polyfluorinated alkyl surfactants by liquid chromatography electrospray ionisation mass spectrometry

      Trier, Xenia, Granby, K. & Christensen, Jan H., 2011, In: Journal of Chromatography A. 1218, 40, p. 7094-7104 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. Published

      Tjærestoffer - miljøgifte du ikke kan undgå

      Boll, E. S. & Christensen, Jan H., 2010, In: Grøn Hverdag. 3, p. 18-22 5 p.

      Research output: Contribution to journalJournal articleCommunication

    7. Published

      The “Gandalf” soil sampling project at a former industrial site in Copenhagen, Denmark: evaluating soil classification reliability

      Svensmark, Bo, Mortensen, P., Milosevic, N. & Christensen, Jan H., 2021, In: Spectroscopy Europe. 33, 6, 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      The use of environmental metabolomics to determine glyphosate level of exposure in rapeseed (Brassica napus L.) seedlings

      Petersen, Iben Lykke, Tomasi, Giorgio, Sørensen, H., Boll, E. S., Hansen, Hans Chr. Bruun & Christensen, Jan H., 2011, In: Environmental Pollution. 159, 10, p. 3071-3077 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    9. Published

      The surface reactivity of chalk (biogenic calcite) with hydrophilic and hydrophobic functional groups

      Okhrimenko, D., Dalby, K. N., Skovbjerg, L., Bovet, N. E., Christensen, Jan H. & Stipp, S. L. S., 2014, In: Geochimica et Cosmochimica Acta. 128, p. 212-224 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. 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 proceedingArticle in proceedingsResearchpeer-review

    11. 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 journalJournal articleResearchpeer-review

    12. 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 proceedingBook chapterResearchpeer-review

    13. 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 journalComment/debateResearchpeer-review

    14. Published

      The Baltic Carrier oil spill: Monitoring and assessment of PAC levels in water, sediment and biota

      Pécseli, M., Pritzl, G., Hansen, A. B., Christensen, Jan H., Andersen, Ove, Banta, G., Johansen, K. & Sørensen, J. L., 1 Dec 2003, p. 953-970. 18 p.

      Research output: Contribution to conferencePaperResearchpeer-review

    15. 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 journalJournal articleResearchpeer-review

    16. Published

      System stability and signal enhancement with analyte protectants: Gas chromatography analysis of oxygenated-polycyclic aromatic hydrocarbons

      Jørgensen, Mathias Blichert, Nyemann, P. P., Haq, I. U., Christensen, P., Pattison, David & Christensen, Jan H., 2024, In: Talanta. 272, 8 p., 125810.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      System Development for the Investigation of Air Contaminant Removal by Indoor Plants

      Dela Cruz, Majbrit, Christensen, Jan H. & Müller, Renate, 2011. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    18. Published

      Sustainable Harnessing of SiO2 Nanoparticles from Rice Husks: A Review of the Best Synthesis and Applications

      Otero, Alba Rodriguez, Vargas, V., Galarneau, A., Castillo, J., Christensen, Jan H. & Bouyssiere, B., 2023, In: Processes. 11, 12, 22 p., 3373.

      Research output: Contribution to journalReviewResearchpeer-review

    19. Published

      Suspect Screening of Lupin-Produced Phytotoxins in Environmental Samples

      Liang, Xiaomeng, Christensen, Jan H., Bucheli, T. D. & Nielsen, Nikoline Juul, 2023, In: LC-GC North America. 41, 8, p. 346-349 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. 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 journalJournal articleResearchpeer-review

    21. Published

      Supercritical Fluid Chromatography Coupled to High-Resolution Mass Spectrometry Reveals Persistent Mobile Organic Compounds with Unknown Toxicity in Wastewater Effluents

      Tisler, Selina, Savvidou, P., Jørgensen, Mathias Blichert, Castro, M. & Christensen, Jan H., 2023, In: Environmental Science & Technology. 57, 25, p. 9287-9297 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    22. Published

      Super-complex mixtures of aliphatic- and aromatic acids may be common degradation products after marine oil spills: A lab-study of microbial oil degradation in a warm, pre-exposed marine environment

      Kristensen, M., Johnsen, A. R. & Christensen, Jan H., 15 Sep 2021, In: Environmental Pollution. 285, 8 p., 117264.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Structural isomers of polyfluorinated di- and tri-alkylated phosphate ester surfactants present in industrial blends and in microwave popcorn bags

      Trier, Xenia, Nielsen, Nikoline Juul & Christensen, Jan H., 2011, In: Environmental Science and Pollution Research. 18, 8, p. 1422-1432 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published

      Source-Supported Suspect Screening (4S) of Phytotoxins in Terrestrial and Aquatic Environments: A Field Study of Lupinus angustifolius L. (Blue Lupin)

      Liang, Xiaomeng, Christensen, Jan H., Bucheli, T. D. & Nielsen, Nikoline Juul, 2023, In: Environmental Science & Technology. 57, 6, p. 2333-2340

      Research output: Contribution to journalJournal articleResearchpeer-review

    25. Published

      Source identification of petroleum hydrocarbons in soil and sediments from Iguadu River Waterched, Paraná, Brazil using the CHEMSIC method (CHEMometric analysis of Selected Ion Chromatograms)

      Gallotta, F. D. C. & Christensen, Jan H., 2012, In: Journal of Chromatography A. 1235, p. 149-158 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. 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 journalJournal articleResearchpeer-review

    27. 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 journalJournal articleResearchpeer-review

    28. 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 journalJournal articleResearchpeer-review

    29. 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 journalJournal articleResearchpeer-review

    30. 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 journalJournal articleResearchpeer-review

    31. Published

      Sediment baseline study of levels and sources of polycyclic aromatic hydrocarbons and heavy metals in Lake Nicaragua

      Scheibye, K., Weisser, J. J., Borggaard, Ole K., Larsen, M., Holm, Peter Engelund, Vammen, K. & Christensen, Jan H., 2014, In: Chemosphere. 95, p. 556-565 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    32. Published

      Second dimension retention indices in “normal” orthogonality comprehensive two-dimensional gas chromatography using single standard injection generated isovolatility curves

      Devers, Jason Patrick, Pattison, David & Christensen, Jan H., 2022, In: Journal of Chromatography A. 1683, 5 p., 463548.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Seasonal trend and source identification of polycyclic aromatic hydrocarbons associated with fine particulate matters (PM2.5) in Isfahan City, Iran, using diagnostic ratio and PMF model

      Soleimani, M., Ebrahimi, Z., Mirghaffari, N., Moradi, H., Amini, N., Poulsen, K. G. & Christensen, Jan H., 2022, In: Environmental Science and Pollution Research. 29, p. 26449-26464

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      Screening of Polybrominated Diphenyl Ethers in Blue Mussels, Marine and Freshwater Sediments in Denmark

      Christensen, Jan H. & Platz, J., 2001, In: Journal of Environmental Monitoring. 3, 5, p. 543 547 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    35. 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 journalJournal articleResearchpeer-review

    36. Published

      Response characteristics and application of chalcogenide glass Cr(VI)selective electrode

      Christensen, Jan H., Clemmensen, P., Hansen, G., Liltorp, K. & Mortensen, J., 1997, In: Sensors and Actuators B: Chemical. 45, p. 239 243 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    37. Published

      Resolving isomers of nitrogen containing polycyclic aromatic compounds by travelling wave ion mobility spectrometry – Mass spectrometry and multiway curve resolution

      Knudsen, S. B., Christensen, Jan H. & Tomasi, Giorgio, 2021, In: Chemometrics and Intelligent Laboratory Systems. 208, 104201.

      Research output: Contribution to journalJournal articleResearchpeer-review

    38. 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 journalJournal articleResearchpeer-review

    39. Published

      Removal of a complex VOC mixture by potted plants - effects on soil microorganisms

      Dela Cruz, Majbrit, Svenningsen, N. B., Nybroe, O., Müller, Renate & Christensen, Jan H., 2023, In: Environmental Science and Pollution Research. 30, p. 55372-55381

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. 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 journalJournal articleResearchpeer-review

    41. Published

      Quantitative Nontarget Analysis of CECs in Environmental Samples Can Be Improved by Considering All Mass Adducts

      Tisler, Selina, Kilpinen, Kristoffer Skovlund, Pattison, David, Tomasi, Giorgio & Christensen, Jan H., 2024, In: Analytical Chemistry. 96, 1, p. 229-237 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      Quantification and source identification of polycyclic aromatic hydrocarbons in sediment, soil, and water spinach from Hanoi, Vietnam

      Boll, E. S., Christensen, Jan H. & Holm, Peter Engelund, 2008, In: Journal of Environmental Monitoring. 10, 2, p. 261-269 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    43. Published
    44. Published

      Productivity and oil fingerprinting: Application of analytical chemistry in the assessment of reservoir quality

      Nielsen, J., Poulsen, K. G., Christensen, Jan H., Lassen, C. & Sølling, Theis Ivan, Dec 2020, In: Journal of Petroleum Science and Engineering. 195, 7 p., 107914.

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. Published

      Pressurised liquid extraction of flavonoids in onions: method development and validation

      Søltoft, M., Christensen, Jan H., Nielsen, J. & Knuthsen, P., 2009, In: Talanta: The International Journal of Pure and Applied Analytical Chemistry. 80, 1, p. 269-278 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. Published

      Practical aspects of chemometrics for oil spill fingerprinting

      Christensen, Jan H. & Tomasi, Giorgio, 2007, In: Journal of Chromatography A. 1169, 1-2, p. 1-22 22 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Polyfluorinated surfactants (PFS) in paper and board coatings for food packaging

      Trier, Xenia, Granby, K. & Christensen, Jan H., 2011, In: Environmental Science and Pollution Research. 18, 7, p. 1108-1120 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. 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 journalJournal articleResearchpeer-review

    49. Published

      Polychlorinated biphenyls, organochlorine pesticides and polycyclic aromatic hydrocarbons in a one-off global survey of bivalves

      Vorkamp, K., Strand, J., Christensen, Jan H., Svendsen, T. C., Lassen, P., Hansen, A. B., Larsen, M. M. & Andersen, O., 2010, In: Journal of Environmental Monitoring. 12, 5, p. 1141-1152 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    50. Published

      Polybrominated diphenyl ethers and organochlorine compounds in biota from the marine environment of East Greenland

      Vorkamp, K., Christensen, Jan H. & Riget, F. F., 2004, In: Science of the Total Environment. 331, p. 143 155 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    51. Published

      Polybrominated Diphenyl Ethers (PBDEs) in Marine Fish and Blue Mussels from Southern Greenland

      Christensen, Jan H., Glasius, M., Pecseli, M. & Pritzl, G., 2002, In: Chemosphere. 47, p. 631 638 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. 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 journalJournal articleResearchpeer-review

    53. Published

      Pixel-based analysis of comprehensive two-dimensional gas chromatograms (color plots) of petroleum: a tutorial

      Furbo, S., Hansen, A. B., Skov, T. & Christensen, Jan H., 5 Aug 2014, In: Analytical Chemistry. 86, 15, p. 7160-7170 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    54. Published

      Pilot-scale hydrotreating of catalytic fast pyrolysis biocrudes: process performance and product analysis

      Verdier, S., Mante, O. D., Hansen, A. B., Poulsen, K. G., Christensen, Jan H., Ammtizboll, N., Gabrielsen, J. & Dayton, D. C., 2021, In: Sustainable Energy & Fuels. 5, 18, p. 4668-4679 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    55. Published

      Phytoremediation of an aged petroleum contaminated soil using endophyte infected and non-infected grasses

      Soleimani, M., Afyuni, M., Hajabbasi, M. A., Nourbakhsh, F., Sabzalian, M. R. & Christensen, Jan H., 2010, In: Chemosphere. 81, 9, p. 1084-1090 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    56. Published

      Phosphorus speciation analysis of fatty-acid-based feedstocks and fast pyrolysis biocrudes via gel permeation chromatography inductively coupled plasma high-resolution mass spectrometry

      Garcia-Montoto, V., Verdier, S., Dayton, D. C., Mante, O., Arnaudguilhem, C., Christensen, Jan H. & Bouyssiere, B., 2021, In: RSC Advances. 11, 43, p. 26732-26738 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    57. Published

      Persistent halogenated compounds in black guillemots (Cepphus grylle) from Greenland - levels, compound patterns and spatial trends

      Vorkamp, K., Christensen, Jan H., Glasius, M. & Riget, F. F., 2004, In: Marine Pollution Bulletin. 48, 1-2, p. 111 121 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    58. Published

      PARAFAC modeling of fluorescence excitation-emission spectra of fish bile for rapid en route screening of PAC exposure

      Christensen, Jan H., Tomasi, Giorgio, Strand, J. & Andersen, O., 2009, In: Environmental Science & Technology (Washington). 43, 12, p. 4439-4445 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    59. 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 journalJournal articleResearchpeer-review

    60. 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 journalJournal articleResearchpeer-review

    61. Published

      Organic contaminants in complex environmental samples: profiling, quantification and chemometric data analysis

      Strobel, Bjarne W. & Christensen, Jan H., 2009, Gaps in Pollution Science: A Workshop at KU-LIFE. p. 9 1 p.

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

    62. 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 journalJournal articleResearchpeer-review

    63. 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 journalJournal articleResearchpeer-review

    64. Published

      Occurrence and trophic transport of organic compounds in sedimentation ponds for road runoff

      Grung, M., Meland, S., Ruus, A., Ranneklev, S., Fjeld, E., Kringstad, A., Rundberget, J. T., Dela Cruz, Majbrit & Christensen, Jan H., 2021, In: Science of the Total Environment. 751, 11 p., 141808.

      Research output: Contribution to journalJournal articleResearchpeer-review

    65. Published
    66. Published

      Nontargeted Screening in Environmental Analysis: An Example Showing Migration of Chemicals from Reusable Sports Plastic Bottles into Drinking Water

      Tisler, Selina & Christensen, Jan H., 2022, In: LCGC Europe. 35, 10, p. 426-430 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    67. 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 journalJournal articleResearchpeer-review

    68. Published

      Non-target screening of micropollutants and transformation products for assessing AOP-BAC treatment in groundwater

      Tisler, Selina, Tüchsen, P. L. & Christensen, Jan H., 2022, In: Environmental Pollution. 309, 9 p., 119758.

      Research output: Contribution to journalJournal articleResearchpeer-review

    69. Published

      Non-target screening for the identification of migrating compounds from reusable plastic bottles into drinking water

      Tisler, Selina & Christensen, Jan H., 2022, In: Journal of Hazardous Materials. 429, 12 p., 128331.

      Research output: Contribution to journalJournal articleResearchpeer-review

    70. Published

      Multivariate statistical methods for evaluating biodegradation of mineral oil

      Christensen, Jan H., Hansen, A. B., Karlson, U., Mortensen, J. & Andersen, O., 2005, In: Journal of Chromatography A. 1090, 1-2, p. 133-145 13 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    71. Published

      Multiple change-point analysis of disease incidence rates

      Christensen, Jan H. & Rudemo, M., 1996, In: Preventive Veterinary Medicine. 99, p. 53-76 24 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    72. Published

      Modeling of Advective solute transport in sandy sediments inhabited by the lugworm Arenicola Marina

      Timmermann, K., Christensen, Jan H. & Banta, G. T., 2002, In: Journal of Marine Research. 60, p. 151 169 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    73. Published

      Migration af kemikalier fra genanvendelige plastdrikkedunke til drikkevand

      Tisler, Selina & Christensen, Jan H., 2022, In: Dansk Kemi. 103, 6, p. 9-10 2 p.

      Research output: Contribution to journalJournal articleResearch

    74. Published

      Microplastic pollution in seawater and marine organisms across the Tropical Eastern Pacific and Galápagos: [incl. Author Correction]

      Alfaro-Núñez, A., Astorga, D., Cáceres-Farías, L., Bastidas, L., Soto Villegas, C., Macay, K. & Christensen, Jan H., 2021, In: Scientific Reports. 11, 1, 8 p., 6424.

      Research output: Contribution to journalJournal articleResearchpeer-review

    75. Published

      Metals and organotins in multiple bivalve species in a one-off global survey

      Larsen, M. M., Strand, J., Christensen, Jan H., Vorkamp, K., Hansen, A. B. & Andersen, O., 2011, In: Journal of Environmental Monitoring. 13, p. 1793-1802 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    76. Published

      Metabolic fingerprinting of crude plant extracts using Q-TOF mass spectrometry

      Petersen, Iben Lykke, Christensen, Jan H., Sørensen, H., Ravn, H. W. & Hansen, Hans Chr. Bruun, 2006. 1 p.

      Research output: Contribution to conferencePosterResearch

    77. Published

      Metabolic fingerprinting of crude plant extracts using Q-TOF mass spectrometry

      Petersen, Iben Lykke, Christensen, Jan H., Sørensen, H., Ravn, H. W. & Hansen, Hans Chr. Bruun, 2006. 1 p.

      Research output: Contribution to conferencePosterResearch

    78. Published

      Metabolic fingerprinting of crude plant extracts using Q-TOF mass spectrometry

      Petersen, Iben Lykke, Christensen, Jan H., Ravn, H. W., Sørensen, H. & Hansen, Hans Chr. Bruun, 2006. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    79. Published

      Metabolic fingerprinting of crude plant extracts using ESI-TOF mass spectrometry

      Petersen, Iben Lykke, Christensen, Jan H., Sørensen, H., Ravn, H. W. & Hansen, Hans Chr. Bruun, 2006, Environment and stress: symposium abstracts and program. p. 27 1 p.

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearch

    80. 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 journalJournal articleResearchpeer-review

    81. 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 journalJournal articleResearchpeer-review

    82. 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 journalJournal articleResearchpeer-review

    83. 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 journalJournal articleResearchpeer-review

    84. Published

      Long-term patterns of hydrocarbon biodegradation and bacterial community composition in epipelagic and mesopelagic zones of an Arctic fjord

      Kampouris, I. D., Gründger, G. F., Christensen, Jan H., Greer, C. W., Kjeldsen, K. U., Boone, W., Meire, L., Rysgaard, S. & Vergeynst, L., 2023, In: Journal of Hazardous Materials. 446, 130656.

      Research output: Contribution to journalJournal articleResearchpeer-review

    85. Published

      Linking presence of functional genes and chemical fingerprints in soil bacterial communities contaminated with PAHs

      Jensen, K. S., Christensen, Jan H. & Winding, A., 2007. 1 p.

      Research output: Contribution to conferencePosterResearch

    86. 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 journalJournal articleResearchpeer-review

    87. Published

      LCE and LCA: Suspect Screening of Lupin-Produced Phytotoxins in Environmental Samples

      Liang, Xiaomeng, Christensen, Jan H., Bucheli, T. D. & Nielsen, Nikoline Juul, 2023, In: LCGC Europe. 36, 5, p. 158-162

      Research output: Contribution to journalJournal articleResearchpeer-review

    88. Published

      Isomer-specific biodegradation of methylphenanthrenes by soil bacteria

      Lamberts, R. F., Christensen, Jan H., Mayer, P., Andersen, O. & Johnsen, A. R., 2008, In: Environmental Science & Technology (Washington). 42, 13, p. 4790-4796 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    89. Published

      Is Fucus a suitable biomonitoring organism for polycyclic aromatic hydrocarbon contamination? A study from the Faroe Islands

      Knøfler, I. H., Andersson, K. E., Becker, R. L., Christiansen, S., Nielsen, Nikoline Juul & Christensen, Jan H., 2024, In: Environmental Science and Pollution Research. 31, p. 26699-26712 14 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    90. Published

      Investigation of the spatial distribution of airborne polycyclic aromatic hydrocarbons using Rhytidiadelphus squarrosus in Tórshavn, Faroe Islands

      Cwalina, E., Kilpinen, Kristoffer Skovlund, Ryde, Ingvild, Nielsen, Nikoline Juul, Christiansen, S. & Christensen, Jan H., 2023, In: Environmental Science and Pollution Research. 30, p. 84663-84673

      Research output: Contribution to journalJournal articleResearchpeer-review

    91. Published

      Investigation of micropollutants in household waste fractions processed by anaerobic digestion: target analysis, suspect- and non-target screening

      Nielsen, Nikoline Juul, Christensen, P., Poulsen, K. G. & Christensen, Jan H., 2023, In: Environmental Science and Pollution Research. 30, p. 48491-48507

      Research output: Contribution to journalJournal articleResearchpeer-review

    92. 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 journalJournal articleResearchpeer-review

    93. 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 journalJournal articleResearchpeer-review

    94. Published

      Influence of smoking parameters on the concentration of polycyclic aromatic hydrocarbons (PAHs) in Danish smoked fish

      Duedahl-Olesen, L., Christensen, Jan H., Højgård, A., Granby, K. & Timm Heinrich, M., 2010, In: Food Additives and Contaminants. 27, 9, p. 1294-1305 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    95. 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 proceedingArticle in proceedingsResearchpeer-review

    96. 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 journalJournal articleResearchpeer-review

    97. Identification of oil spills by GC/MS fingerprinting in relation to the Danish maritime oil spill response

      Hansen, A. B., Christensen, Jan H., Avnskjold, J., Andersen, I. & Rasmussen, C. A., 2000, Oil and Hydrocarbon Spills II: Modelling, Analysis and Control. Rodriguez, G. R. (ed.). WIT Press, p. 199-207 9 p. (Water Studies, Vol. 8).

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

    98. Published

      Hyphenating supercritical fluid chromatography and inductively coupled plasma mass spectrometry: a proof of concept

      Garcia-Montoto, V., Denti, P., Malmquist, L. M. V., Verdier, S., Bouyssiere, B. & Christensen, Jan H., 2020, In: Journal of Analytical Atomic Spectrometry. 35, 12, p. 2852-2858 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    99. Published

      Hvad der var brandvarmt indenfor analytisk kemi denne sommer: Rejsebeskrivelser fra fire internationale analytisk kemi-konferencer

      Nielsen, Nikoline Juul, Jäpelt, K. B., Skov, S. F., Trier, X., Græsbøll, R., Kristiansen, M. B. & Christensen, Jan H., 2013, In: Dansk Kemi. 94, 11, p. 10-13 4 p.

      Research output: Contribution to journalJournal articleCommunication

    100. Published

      Halogenated organic contaminants in marine fish and mussels from southern Greenland - Pilot study on relations to trophic levels and local sources

      Glasius, M., Christensen, Jan H., Platz, J. & Vorkamp, K., 1 Feb 2005, In: Journal of Environmental Monitoring. 7, 2, p. 127-131 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

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