nanotech Flashcards
1
Q
define nanotech
A
the manipulation, precision placement, measurement, modeling, or manufactuerer of sub-100 nm scale matter
2
Q
why are nanoparticles different?
A
smaller hgh in number high in SA hgih in surface reactivity different physical properties difficult disperse
3
Q
what is the dose of a nanoparticle? depends on the aggregation state–>will influence how it interacts with cells; aggregated nanoparticles most toxic
A
ya
4
Q
the only current way to measure nanoparticle dose is via EM
A
ya
5
Q
primary route of exposure for nanoparticles
A
inhalation–receives most attention rn
dermal
6
Q
skin provides a barrier to nanoparts if unbroken, however, they can still travel through hair follicles and sweat pored
A
ya
7
Q
toxidodynams of nanoparts
A
- main concerns with inflammation on resp and CV system
- ox stress and interaction with mitochon
- effects on NS
- interaction with receptors and associated signalling pathways
