Jan H. Christensen
Professor
Section for Environmental Chemistry and Physics
Thorvaldsensvej 40, 1871 Frederiksberg C, 71 Højhus 71, Building: 71-6-T634
Member of:
- 2020
- 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
- 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, , 2020, In: Environmental Sciences Europe. 32, 11 p., 100.Research output: Contribution to journal › Comment/debate › Research › peer-review
- 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
- 2019
- 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. 175-184Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 21-26Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 381-395Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 162-172Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 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. 12197-12206Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1136-1141Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 226-234Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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-MSResearch output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2018
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 2017
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 2016
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 2015
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
ID: 4239565
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Quantification and source identification of polycyclic aromatic hydrocarbons in sediment, soil, and water spinach from Hanoi, Vietnam
Research output: Contribution to journal › Journal article › Research › peer-review
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Metabolic fingerprinting of Lactobacillus paracasei: the optimal quenching strategy
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
188
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GC × GC–HRMS nontarget fingerprinting of organic micropollutants in urban freshwater sediments
Research output: Contribution to journal › Journal article › Research › peer-review
Published