2.3 Nanoparticles (Triple) Flashcards
1
Q
What is nanoscience?
A
A branch of science that studies particles that are 1 - 100nm in size
2
Q
State the uses of
nanoparticles
A
● Medicine (drug delivery systems)
● Electronics
● Deodorants
● Sun creams (better skin coverage and more effective protection
against cell damage)
3
Q
What are fine and coarse particles?
A
● Fine particles (soot), 100-2500 nm diameter
● Coarse particles (dust), 2500-105nm diameter
4
Q
Why do nanoparticles have
different properties to those for the same materials in bulk?
A
Due to their high surface area to volume ratio