Centre for Marine Biodiversity and Biotechnology Away Day 2012. Presentation by Mark Hartl on ecotoxicological research into carbon nanotubes in the marine environment
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Potentiating toxicological interaction of single-walled carbon nanotubes with metals - Mark Hartl
1. Potentiating toxicological interaction of single-walled carbon
nanotubes with metals
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
2. • Nanomaterials: <100nm in at least 1 dimension
• quantum mechanical effects often dominate
• surface area per unit volume increases
• materials that exhibit unique optical, mechanical, magnet conductive and sorption properties
•Nanotubes:
• will enter the environment at some stage
Questions:
• How do they behave in the environment
• How do they interact with marine organisms
• How to they interact with other contaminants
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
3. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
4. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
5. Sediments
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
5 http://markhartl.sls.hw.ac.uk
6. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
7. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
8. Active filter-feeders
Owen et al (1974)
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
9. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
10. Particle sorting
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
11. Particle sorting
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
12. Particle sorting
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
13. Particle sorting
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
14. Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
15. http://icbf2014.sls.hw.ac.uk
Mark G J Hartl - Marine Ecotoxicology, CMBB, School of Life Sciences, Heriot-Watt University
http://markhartl.sls.hw.ac.uk
Editor's Notes
Apical end of the gill lamellae – cirri are clearly visible as hair-like structures (arrow)
Particles (black) caught in gill mesh; cilliar transport towards food groves (Dots on right hand diagramme)
Transport of particles incorporated in mucus across the surface of gill mesh