So you have to get the e-ink out of the display screen -
Then you have to get the particles out of the oil filled beads -
Hmm....
Sounds like a job for the kitchen blender set on 'puree'.

Then filter the result.
Note:
"size of a human hair" ~= 100 micro-meters.
The nano particles will be in the 10 ... 2 micro-meter range.
And filter papers with pore sizes down to 0.2 micro-meter is common stuff (in the chemistry industry).
#500 mesh wire screen has openings of about 45 micro-meters.
(Now I am beginning to sound like Jane. I need to start hanging out with other people more.)