Research output per year
Research output per year
Personal profile
Profile
My research is focused on the study of presence, metabolism, bioavailability and effects of toxic and essential trace elements and their chemical species in foodstuffs and other biological systems.
A key interest is the development of advanced analytical methodologies for the speciation analysis of trace elements in biological samples using chromatographic separations systems coupled to element specific detectors (e.g. Inductively Coupled Plasma Mass Spectrometry; ICPMS). Special focus is on the element arsenic and the analysis and study of natural occurring arsenic species in nature.
A novel interest is the analytical characterisation of nanoparticles in relation to evaluate the food safety aspects of the presence of nanoparticulate matter in the food.
Furthermore I act as an adviser to national and international authorities regarding the analysis of trace elements and the dietary exposure of the population to trace elements and their chemical species.
Other information
1999-2001 and 2005 -
Member of CEN TC275 Working group 10, Determination of Trace Elements in Foodstuffs.
2005 -
Member of CEN TC327 Working group 4 Minerals and Contaminants in Animal Feedingstuffs.
2008 -
Member of the organising committee for the Nordic Conference in Plasma Spectrochemistry, Loen, Norway.
Language Skills:
Danish (native)
English (fluent)
German
Research areas
My research is focused on the study of presence, metabolism, bioavailability and effects of toxic and essential trace elements and their chemical species in foodstuffs and other biological systems.
A key interest is the development of advanced analytical methodologies for the speciation analysis of trace elements in biological samples using chromatographic separations systems coupled to element specific detectors (e.g. Inductively Coupled Plasma Mass Spectrometry; ICPMS). Special focus is on the element arsenic and the analysis and study of natural occurring arsenic species in nature.
A novel interest is the analytical characterisation of nanoparticles in relation to evaluate the food safety aspects of the presence of nanoparticulate matter in the food.
Furthermore I act as an adviser to national and international authorities regarding the analysis of trace elements and the dietary exposure of the population to trace elements and their chemical species.
A key interest is the development of advanced analytical methodologies for the speciation analysis of trace elements in biological samples using chromatographic separations systems coupled to element specific detectors (e.g. Inductively Coupled Plasma Mass Spectrometry; ICPMS). Special focus is on the element arsenic and the analysis and study of natural occurring arsenic species in nature.
A novel interest is the analytical characterisation of nanoparticles in relation to evaluate the food safety aspects of the presence of nanoparticulate matter in the food.
Furthermore I act as an adviser to national and international authorities regarding the analysis of trace elements and the dietary exposure of the population to trace elements and their chemical species.
Expertise related to UN Sustainable Devlopment Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Dr. Scient, Institute of Biology at the University of Bergen, Norway
2001 → 2005
Cand. Polyt., Chemical engineering, Department of Chemistry at the Technical University of Denmark
1989 → 1995
External positions
Senior scientist, National Food Institute, Technical University of Denmark
2005 → …
Senior scientist, National Institute for Nutrition and Seafood Research (NIFES), Bergen, Norway (10% position)
2005 → …
Research chemist, National Food Institute, Technical University of Denmark
1998 → 2001
Analytical Chemist, Water Quality Institute, VKI, Hørsholm, Denmark
1996 → 1998
Visiting research fellow, The Department of Chemistry, University of Canterbury, Christchurch, New Zealand
1995 → 1996
Keywords
- User defined:
- Arsen
- Trace elements
- Analytical chemistry
- Speciation analysis
- Arsenic
- ICPMS - Inductively Coupled Plasma Mass Spectrometry
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Research output
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A descriptive chemical analysis of seaweeds, Ulva sp., Saccharina latissima and Ascophyllum nodosum harvested from Danish and Icelandic waters
Samarasinghe, M. B., van der Heide, M. E., Weisbjerg, M. R., Sehested, J., Sloth, J. J., Bruhn, A., Vestergaard, M., Nørgaard, J. V. & Hernández-Castellano, L. E., 2021, In: Animal Feed Science and Technology. 278, 115005.Research output: Contribution to journal › Journal article › Research › peer-review
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Case Study Teaching for Active Learning on Analytical Quality Assurance Concepts in Relation to Food Safety Exposure Assessment
Duedahl-Olesen, L., Holmfred, E., Niklas, A. A., Nielsen, I. K. & Sloth, J. J., 2021, (Accepted/In press) In: Journal of Chemical Education. 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Characterisation and chemometric evaluation of 17 elements in ten seaweed species from Greenland
Kreissig, K. J., Hansen, L. T., Jensen, P. E., Wegeberg, S., Geertz-Hansen, O. & Sloth, J. J., 2021, In: PLOS ONE. 16, 2, 20 p., e0243672.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile99 Downloads (Pure) -
Chromium speciation analysis in raw and cooked milk and meat samples by species-specific isotope dilution and HPLC-ICP-MS
Saraiva, M. A., Chekri, R., Guérin, T., Sloth, J. J. & Jitaru, P., 2021, In: Food Additives & Contaminants: Part A - Chemistry, Analysis, Control, Exposure & Risk Assessment. 38, 2, p. 304-314Research output: Contribution to journal › Journal article › Research › peer-review
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Development and validation of a single run method based on species specific isotope dilution and HPLC-ICP-MS for simultaneous species interconversion correction and speciation analysis of Cr(III)/Cr(VI) in meat and dairy products
Amaral Saraiva, M., Chekri, R., Leufroy, A., Guérin, T., Sloth, J. J. & Jitaru, P., 2021, In: Talanta. 222, 9 p., 121538.Research output: Contribution to journal › Journal article › Research › peer-review
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Promoting Functionality of Cheese Powder without Additives
Altay, I., Mohammadifar, M. A. & Sloth, J. J.
01/07/2021 → 30/06/2024
Project: PhD
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Plant-based, metal chelating antioxidants - finding an alternative to EDTA
Bjørlie, M. E., Jacobsen, C., Marcatili, P. & Sloth, J. J.
01/09/2020 → 30/11/2023
Project: PhD
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Thermal Processing of Seaweeds and the Effects on Quality and Safety
Wirenfeldt, C. B., Holdt, S. L., Feyissa, A. H., Hansen, L. T., Hyldig, G., Sloth, J. J. & Rustad, T.
01/09/2019 → 02/10/2022
Project: PhD
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Metals, arsenic and arsenic species in novel marine feed resources
Tibon, J. S., Sloth, J. J., Amlund, H. & Sele, V.
01/04/2019 → 31/03/2022
Project: PhD
Activities
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Iodine in seaweed
Ana Jerse (Speaker) & Jens Jørgen Sloth (Other)
2019Activity: Talks and presentations › Conference presentations
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Determination of inorganic arsenic by fast anion exchange HPLC-ICP-MS
Ana Jerše (Other), Julie Storm Høgsbro (Other), Raquel Larios (Other) & Jens Jørgen Sloth (Other)
5 Nov 2019 → 8 Nov 2019Activity: Talks and presentations › Conference presentations
File -
Iodine - a potential challenge for seaweed industry
Ana Jerše (Other), Susan Løvstad Holdt (Other), Azadeh Bahmani (Other), Max Hansen (Other) & Jens Jørgen Sloth (Other)
5 Nov 2019 → 8 Nov 2019Activity: Talks and presentations › Conference presentations
File -
Fractional factorial design to assess zinc speciation in Atlantic salmon (Salmo salar) feeds
Jens Jørgen Sloth (Other)
19 Jun 2017 → 22 Jun 2017Activity: Talks and presentations › Conference presentations
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Application of seaweeds in food and feed - analysis of toxic elements and implications for food/feed safety
Jens Jørgen Sloth (Speaker), Susan Løvstad Holdt (Other), Max Hansen (Other) & Arne Duinker (Other)
9 Nov 2017Activity: Talks and presentations › Conference presentations
Press / Media
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Inorganic arsenic, arsenolipids, iodine – tracking future feed controls
19/12/2016
1 Media contribution
Press/Media: Press / Media
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Europæisk standard metode (CEN) Uorganisk arsen i fødevarer
12/04/2016
1 Media contribution
Press/Media: Press / Media
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