Table 1
ATRP of methyl methacrylate from the various nanoparticle
Various anchoring chemistry	Various nanoparticle	Grafting density after polymerization (chain/nm2)
Thiol	Gold	0.3
Choro silane	Magnetite	0.1
Triethoxy silane	Silica	0.7
Triethoxy silane	Titania	0.04

Babu and Dhamodharan Nanoscale Research Letters 2009 4:1090   doi:10.1186/1556-276X-4-1090