Jan H. Christensen

Jan H. Christensen

Professor

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    ORCID: 0000-0003-1414-1886

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    1. 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 conference › Poster › Research

    2. 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 conference › Conference abstract for conference › Research

    3. 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 journal › Journal article › Research › peer-review

    4. 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 journal › Journal article › Research › peer-review

    5. 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 journal › Journal article › Research

    6. 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 journal › Journal article › Research › peer-review

    7. 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 journal › Journal article › Research › peer-review

    8. 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 journal › Journal article › Research › peer-review

    9. 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 journal › Journal article › Research › peer-review

    10. 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 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

      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 journal › Journal article › Research › peer-review

    13. Published

      Obtaining clean and informative mass spectra from complex chromatographic and high-resolution all-ions-fragmentation data by nonnegative parallel factor analysis 2

      Kronik, Oskar Munk, Liang, Xiaomeng, Nielsen, Nikoline Juul, Christensen, Jan H. & Tomasi, Giorgio, 2022, In: Journal of Chromatography A. 1682, 9 p., 463501.

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

    14. 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 journal › Journal article › Research › peer-review

    15. 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

    16. 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

    17. 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 proceeding › Conference abstract in proceedings › Research

    18. 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

    19. 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

    20. 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 journal › Journal article › Research › peer-review

    21. 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 journal › Journal article › Research › peer-review

    22. 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 journal › Journal article › Research › peer-review

    23. 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 journal › Journal article › Research › peer-review

    24. 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 journal › Journal article › Research › peer-review

    25. 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 journal › Journal article › Research › peer-review

    26. 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

    27. 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 journal › Journal article › Research › peer-review

    28. 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 journal › Journal article › Research › peer-review

    29. 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 journal › Journal article › Research › peer-review

    30. 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

    31. 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 journal › Journal article › Research › peer-review

    32. 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 journal › Journal article › Research › peer-review

    33. 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 journal › Journal article › Research › peer-review

    34. 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 journal › Journal article › Research › peer-review

    35. Published

      Quantification and source identification of polycyclic aromatic hydrocarbons in Hanoi and an aquatic production system in peri-urban areas of Hanoi

      Boll, E. S., Christensen, Jan H. & Holm, Peter Engelund, 2007. 1 p.

      Research output: Contribution to conference › Poster › Research

    36. 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 journal › Journal article › Research › peer-review

    37. 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 journal › Journal article › Research › peer-review

    38. 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

    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 journal › Journal article › Research › peer-review

    40. 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

    41. 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 journal › Journal article › Research › peer-review

    42. 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 journal › Journal article › Research › peer-review

    43. 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

    44. 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 journal › Journal article › Research › peer-review

    45. 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 journal › Journal article › Research › peer-review

    46. 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 journal › Journal article › Research › peer-review

    47. 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 journal › Journal article › Research › peer-review

    48. 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

    49. 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

    50. 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

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