Stefan Trapp

Summary

Affiliation: Technical University of Denmark
Country: Denmark

Publications

  1. doi request reprint Methods for estimating the bioconcentration factor of ionizable organic chemicals
    Wenjing Fu
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 28:1372-9. 2009
  2. doi request reprint Simulation of the plant uptake of organophosphates and other emerging pollutants for greenhouse experiments and field conditions
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, 2800, Kgs Lyngby, Denmark
    Environ Sci Pollut Res Int 20:4018-29. 2013
  3. pmc Quantitative modeling of selective lysosomal targeting for drug design
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, 2800, Kongens Lyngby, Denmark
    Eur Biophys J 37:1317-28. 2008
  4. doi request reprint Activity-based concept for transport and partitioning of ionizing organics
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Sci Technol 44:6123-9. 2010
  5. ncbi request reprint Coupled mother-child model for bioaccumulation of POPs in nursing infants
    Stefan Trapp
    Technical University of Denmark, Department of Environmental Engineering, Bygningstorvet 115, DK 2800 Kongens Lyngby, Denmark
    Environ Pollut 156:90-8. 2008
  6. ncbi request reprint Test of tree core sampling for screening of toxic elements in soils from a Norwegian site
    Mette Algreen
    Department of Environmental Engineering, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
    Int J Phytoremediation 14:305-19. 2012
  7. pmc Simultaneous simulations of uptake in plants and leaching to groundwater of cadmium and lead for arable land amended with compost or farmyard manure
    Charlotte N Legind
    Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark
    PLoS ONE 7:e47002. 2012
  8. doi request reprint Modeling the exposure of children and adults via diet to chemicals in the environment with crop-specific models
    Charlotte N Legind
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej 113, 2800 Kongens Lyngby, Denmark
    Environ Pollut 157:778-85. 2009
  9. doi request reprint Removal of 4-chlorobenzoic acid from spiked hydroponic solution by willow trees (Salix viminalis)
    Kamila Deavers
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej Building 113, 2800, Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 17:1355-61. 2010
  10. doi request reprint Atmospheric fate of non-volatile and ionizable compounds
    Antonio Franco
    Department of Environmental Engineering, Technical University of Denmark, Miljøvej, DK 2800 Kgs Lyngby, Denmark
    Chemosphere 85:1353-9. 2011

Collaborators

Detail Information

Publications32

  1. doi request reprint Methods for estimating the bioconcentration factor of ionizable organic chemicals
    Wenjing Fu
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 28:1372-9. 2009
    ..4. The method of Meylan et al. did not perform as well. The cell model showed weak results for acids but was among the best methods for bases...
  2. doi request reprint Simulation of the plant uptake of organophosphates and other emerging pollutants for greenhouse experiments and field conditions
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, 2800, Kgs Lyngby, Denmark
    Environ Sci Pollut Res Int 20:4018-29. 2013
    ..Organophosphates have a high potential for bioaccumulation in crops and reach agricultural fields both via sewage sludge and by atmospheric deposition...
  3. pmc Quantitative modeling of selective lysosomal targeting for drug design
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, 2800, Kongens Lyngby, Denmark
    Eur Biophys J 37:1317-28. 2008
    ..This demonstrates that the cell model can be a useful tool for the design of effective lysosome-targeting drugs with minimal off-target interactions...
  4. doi request reprint Activity-based concept for transport and partitioning of ionizing organics
    Stefan Trapp
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Sci Technol 44:6123-9. 2010
    ..The concentration ratios of air and biota to water are shown to depend on pH. The activity approach may be used to describe transport and partitioning of multivalent ionizable organic compounds and to build multimedia fate models...
  5. ncbi request reprint Coupled mother-child model for bioaccumulation of POPs in nursing infants
    Stefan Trapp
    Technical University of Denmark, Department of Environmental Engineering, Bygningstorvet 115, DK 2800 Kongens Lyngby, Denmark
    Environ Pollut 156:90-8. 2008
    ..The new mother-child model is compact due to its easy structure and the analytical matrix solution. It could be added to existing exposure and risk assessment systems, such as EUSES...
  6. ncbi request reprint Test of tree core sampling for screening of toxic elements in soils from a Norwegian site
    Mette Algreen
    Department of Environmental Engineering, Technical University of Denmark, 2800 Kgs Lyngby, Denmark
    Int J Phytoremediation 14:305-19. 2012
    ..This makes the tree core screening method less reliable for heavy metals than, e.g., for chlorinated solvents...
  7. pmc Simultaneous simulations of uptake in plants and leaching to groundwater of cadmium and lead for arable land amended with compost or farmyard manure
    Charlotte N Legind
    Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark
    PLoS ONE 7:e47002. 2012
    ..For Cd, predicted uptake from air into plants was negligible (1-5%)...
  8. doi request reprint Modeling the exposure of children and adults via diet to chemicals in the environment with crop-specific models
    Charlotte N Legind
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej 113, 2800 Kongens Lyngby, Denmark
    Environ Pollut 157:778-85. 2009
    ..Contrary, the methods for indirect human exposure suggested in the Technical Guidance Document (TGD) for chemical risk assessment in the EU lead to overprediction, due to unrealistic consumption data and a false root model...
  9. doi request reprint Removal of 4-chlorobenzoic acid from spiked hydroponic solution by willow trees (Salix viminalis)
    Kamila Deavers
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej Building 113, 2800, Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 17:1355-61. 2010
    ..This study explores the feasibility of using basket willows, Salix viminalis, to remove 4-CBA from polluted sites, which also might stimulate PCB degradation...
  10. doi request reprint Atmospheric fate of non-volatile and ionizable compounds
    Antonio Franco
    Department of Environmental Engineering, Technical University of Denmark, Miljøvej, DK 2800 Kgs Lyngby, Denmark
    Chemosphere 85:1353-9. 2011
    ..g. 2,4-D) and surface-active chemicals (e.g. PFOA). This limits the efficiency of wet deposition from the troposphere enhancing long-range transport...
  11. ncbi request reprint A multimedia activity model for ionizable compounds: validation study with 2,4-dichlorophenoxyacetic acid, aniline, and trimethoprim
    Antonio Franco
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 29:789-99. 2010
    ....
  12. ncbi request reprint Uptake of tributyltin into willow trees
    Giovannella Ciucani
    Environment and Resources DTU, Technical University of Denmark, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 11:267-72. 2004
    ..Repeatedly, severe effects on aquatic species have resulted. The use of organotins for this purpose was ruled out, and dumping of contaminated harbor sludge into the sea was prohibited. Land-based dumping is seen as an alternative...
  13. doi request reprint Influence of soil pH on the sorption of ionizable chemicals: modeling advances
    Antonio Franco
    Department of Environmental Engineering, Technical University of Denmark, Kongens, Lyngby, Denmark
    Environ Toxicol Chem 28:458-64. 2009
    ..We evaluated accuracy and limitations of the regressions for their use in the environmental fate assessment of ionizable chemicals...
  14. ncbi request reprint Toxicity of tributyltin to willow trees
    Stefan Trapp
    Environment and Resources DTU, Technical University of Denmark, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 11:327-30. 2004
    ..The toxicity of tributyltin (TBT) to trees has not yet been quantified. Eventually, a vegetation cover on the dumped sludge could be established for the purpose of non-food cash crop production and phytoremediation...
  15. doi request reprint Estimation of the soil-water partition coefficient normalized to organic carbon for ionizable organic chemicals
    Antonio Franco
    Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 27:1995-2004. 2008
    ....
  16. doi request reprint Critical evaluation and further development of methods for testing ecotoxicity at multiple pH using Daphnia magna and Pseudokirchneriella subcapitata
    Cecilie Rendal
    Department of Environmental Engineering, Technical University of Denmark, Kgs Lyngby, Denmark
    Environ Toxicol Chem 31:1843-52. 2012
    ..0-9.5 for 24 h exposure. Forty-eight- and 72-h growth inhibition tests with P. subcapitata were carried out, and recommendations for buffer concentrations at pH 7.5 and 8.0 are made for both 48 and 72 h of exposure...
  17. ncbi request reprint Plant uptake and transport models for neutral and ionic chemicals
    Stefan Trapp
    Environment and Resources DTU, Technical University of Denmark, Bygningstorvet 115, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 11:33-9. 2004
    ..Models for predicting uptake and transport of chemicals in plants are applied in pesticide design, risk assessment, and environmental biotechnology...
  18. ncbi request reprint Diffusion of PAH in potato and carrot slices and application for a potato model
    Stefan Trapp
    Institute of Environment and Resources, Technical University of Denmark, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Technol 41:3103-8. 2007
    ..This is in agreement with field results for the bioconcentration of PAHs in potatoes...
  19. doi request reprint Optimal choice of pH for toxicity and bioaccumulation studies of ionizing organic chemicals
    Cecilie Rendal
    Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark
    Environ Toxicol Chem 30:2395-406. 2011
    ....
  20. doi request reprint The effect of pH on the uptake and toxicity of the bivalent weak base chloroquine tested on Salix viminalis and Daphnia magna
    Cecilie Rendal
    Department of Environmental Engineering, Technical University of Denmark, Kgs Lyngby, Denmark
    Environ Toxicol Chem 30:354-9. 2011
    ..Increasing toxicity was seen at higher pH. The results of the current study confirm that the toxicity of weak bases with intermediate pK(a) values is higher at high pH levels...
  21. ncbi request reprint Growth of plants on TBT-contaminated harbour sludge and effect on TBT removal
    Jana Novak
    Institute of Environment and Resources, Technical University of Denmark, Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 12:332-41. 2005
    ..In some countries, including Belgium, the load with the biocide tributyltin (TBT) from ship coatings prohibits the dumping of harbour sludge into the sea. Land-based dumping is a commonly used alternative...
  22. ncbi request reprint Uptake, accumulation, phytotoxicity, and removal of 2,4-dichlorophenol in willow trees
    Ahmed Suheyl Ucisik
    Institute of Environment and Resources, Technical University of Denmark, Bygningstorvet 115, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 26:1165-71. 2007
    ..Phytoremediation of 2,4-DCP with willow trees does not seem to be a remediation option because of its high toxicity to trees and the limited removal efficiency...
  23. ncbi request reprint Uptake of iron cyanide complexes into willow trees
    Morten Larsen
    Institute of Environment and Resources, Technical University of Denmark, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Technol 40:1956-61. 2006
    ..No toxic effects could be seen. The study shows that trees can take up and metabolize iron cyanide complexes, making phytoremediation of iron cyanide waste a feasible option...
  24. ncbi request reprint Phytoscreening and phytoextraction of heavy metals at Danish polluted sites using willow and poplar trees
    Mette Algreen
    Department of Environmental Engineering, Technical University of Denmark, Miljøvej Building 113, DK 2800, Kongens Lyngby, Denmark
    Environ Sci Pollut Res Int 21:8992-9001. 2014
    ..Extraction efficiencies were best for willows and Cd, but below 0.5 % over 10 years, and below 1 ‰ in 10 years for all other HMs. ..
  25. ncbi request reprint Dynamic root uptake model for neutral lipophilic organics
    Stefan Trapp
    Environment and Resources, Technical University of Denmark, Kongens Lyngby
    Environ Toxicol Chem 21:203-6. 2002
    ..The equilibrium approach can predict concentrations in the peels, but for carrot cores and for the whole carrot, the flux model is superior and should be preferred for a more realistic risk assessment...
  26. ncbi request reprint Uptake, removal, accumulation, and phytotoxicity of phenol in willow trees (Salix viminalis)
    Ahmed Suheyl Ucisik
    Institute of Environment and Resources, Technical University of Denmark, Bygningstorvet 115, DK 2800 Kgs Lyngby, Denmark
    Environ Toxicol Chem 25:2455-60. 2006
    ....
  27. ncbi request reprint Uptake, metabolism, accumulation and toxicity of cyanide in Willow trees
    Morten Larsen
    Environment and Resources DTU, Technical University of Denmark, DK 2800 Kongens Lyngby, Denmark
    Environ Sci Technol 39:2135-42. 2005
    ..At higher doses, uptake would be faster than metabolism and consequently cyanide would accumulate in the plant tissue. This relation between external dose and internal accumulation is nonlinear and explains the toxic effects observed...
  28. doi request reprint Dynamic plant uptake model applied for drip irrigation of an insecticide to pepper fruit plants
    Charlotte N Legind
    Department of Environmental Engineering, Technical University of Denmark, Kgs Lyngby, Denmark
    Pest Manag Sci 67:521-7. 2011
    ..The aim of this paper is to present a cascade model for the uptake of pesticide into plants following drip irrigation, its application for a soil-applied insecticide and a sensitivity analysis of the model parameters...
  29. ncbi request reprint A predictive model for the selective accumulation of chemicals in tumor cells
    Stefan Trapp
    Environment and Resources DTU, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
    Eur Biophys J 34:959-66. 2005
    ..The results are in agreement with experimental results for rhodamine 123, a series of cationic triarylmethane dyes, F16 and MKT-077, an anticancer drug targeting tumor mitochondria...
  30. ncbi request reprint Persistence of methyl tertiary butyl ether (MTBE) against metabolism by Danish vegetation
    Stefan Trapp
    Environment and Resources DTU, Technical University of Denmark, Bygningstorvet 115, DK 2800 Kgs Lyngby, Denmark
    Environ Sci Pollut Res Int 10:357-60. 2003
    ..At the same time, MTBE is quite persistent to biotic and abiotic decomposition. The goal of this study was to find plant species that could degrade MTBE and might be used in phytoremediation...
  31. ncbi request reprint Direct measurement of VOC diffusivities in tree tissues: impacts on tree-based phytoremediation and plant contamination
    Krishna K Baduru
    Department of Civil, Architectural and Environmental Engineering, Room 224 Butler Carlton Hall, 1870 Miner Circle, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
    Environ Sci Technol 42:1268-75. 2008
    ..This work also has importance in other plant-VOC interactions, such as potential uptake from the atmosphere for hydrophobic compounds and also uptake from vapor-phase soil contaminants...
  32. ncbi request reprint Crop-specific human exposure assessment for polycyclic aromatic hydrocarbons in Czech soils
    Ales Kulhánek
    Center of Environmental Hygiene, National Institute of Public Health, Srobarova 48, Prague 100 42, Czech Republic
    Sci Total Environ 339:71-80. 2005
    ..with T&A. The results demonstrate clearly the advantage of the crop-specific exposure assessment: it can be adapted to different food baskets and allows more effective risk assessment and management of soil pollution...