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Vapor phase mediated cellular uptake of sub 5 nm nanoparticles
- Source :
- Nanoscale Research Letters, Nanoscale Research Letters, SpringerOpen, 2012, 7 (1), pp.212. ⟨10.1186/1556-276X-7-212⟩, Nanoscale Research Letters 1 (7), 212. (2012), Nanoscale Research Letters, 2012, 7 (1), pp.212. ⟨10.1186/1556-276X-7-212⟩
- Publication Year :
- 2012
- Publisher :
- Springer Science and Business Media LLC, 2012.
-
Abstract
- International audience; Nanoparticles became an important and wide-used tool for cell imaging because of their unique optical properties. Although the potential of nanoparticles (NPs) in biology is promising, a number of questions concerning the safety of nanomaterials and the risk/benefit ratio of their usage are open. Here, we have shown that nanoparticles produced from silicon carbide (NPs) dispersed in colloidal suspensions are able to penetrate into surrounding air environment during the natural evaporation of the colloids and label biological cells via vapor phase. Natural gradual size-tuning of NPs in dependence to the distance from the NP liquid source allows progressive shift of the fluorescence color of labeled cells in the blue region according to the increase of the distance from the NP suspension. This effect may be used for the soft vapor labeling of biological cells with the possibility of controlling the color of fluorescence. However, scientists dealing with the colloidal NPs have to seriously consider such a NP's natural transfer in order to protect their own health as well as to avoid any contamination of the control samples.
- Subjects :
- inorganic chemicals
Materials science
Evaporation
Nanoparticle
Nanochemistry
Bioengineering
Nanotechnology
02 engineering and technology
010402 general chemistry
nanoparticles
cell labeling
fluorescence
contamination
complex mixtures
01 natural sciences
Suspension (chemistry)
Nanomaterials
Colloid
Materials Science(all)
General Materials Science
[SDV.IB] Life Sciences [q-bio]/Bioengineering
Nano Express
technology, industry, and agriculture
Contamination
021001 nanoscience & nanotechnology
Condensed Matter Physics
Fluorescence
Ingénierie biomédicale
0104 chemical sciences
[SDV.IB]Life Sciences [q-bio]/Bioengineering
0210 nano-technology
Subjects
Details
- ISSN :
- 1556276X and 19317573
- Volume :
- 7
- Database :
- OpenAIRE
- Journal :
- Nanoscale Research Letters
- Accession number :
- edsair.doi.dedup.....bc18fbcb0e2bfa09c827bfc89141cc4b