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Nanotechnologie ve výuce přírodních věd
[Nanotechnology in Teaching Natural Science]
Markéta Vaníčková, Jana Soukupová, Libor Kvítek
Language Czech Country Czech Republic
- MeSH
- Anti-Infective Agents toxicity MeSH
- Chemistry Techniques, Analytical methods trends education MeSH
- Financing, Organized MeSH
- Colloids chemistry toxicity MeSH
- Humans MeSH
- Microchemistry methods education MeSH
- Nanoparticles microbiology toxicity utilization MeSH
- Nanotechnology methods trends education MeSH
- Paramecium caudatum drug effects MeSH
- Natural Science Disciplines methods trends education MeSH
- Silver toxicity MeSH
- Toxicity Tests methods utilization MeSH
- Education methods MeSH
- Check Tag
- Humans MeSH
Nanomaterials are now produced in large quantities due to their useful properties different from other materials. Possible toxicity of nanomaterials is currently addressed and discussed. Using a modified Tollens process, an aqueous dispersion of Ag nanoparticles was prepared, on which their unique properties and changes of material characteristics when approaching nano dimensions can be demonstrated. Also, experiments regarding toxicity of nanoparticles were proposed. Toxicity of the nanoparticles was tested on Paramecium caudatum. Following the instruction, the students discover that the prepared Ag nanoparticles are much less toxic than ionic Ag. The proposed experiments bring interdisciplinary chemical, physical, and biological findings and knowledge.
Nanotechnology in Teaching Natural Science
Lit.: 15
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- $a Univerzita Palackého, Katedra fyzikální chemie, Olomouc
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