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. Author manuscript; available in PMC: 2011 Dec 22.
Published in final edited form as: J Am Chem Soc. 2010 Nov 30;132(50):17724–17732. doi: 10.1021/ja102138a

Table 1.

Surface charge density and average diameter of NPCs using different stabilizers.*

Stabilizer Zeta Potential (mV) Ave. Dia. (nm)
First** Secondary**
CTAB +49 78 33
PEI +33 88 42
PAA −56 72 30
PSS −64 65 28
*

The NPCs were made from 3 nm hydrophobic iron oxide nanoparticles in hexane.

**

First= first centrifuge run at 10,000 rpm for 5 min; Second= second run at 15,000 rpm for 20 min.