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. Author manuscript; available in PMC: 2012 Aug 21.
Published in final edited form as: Langmuir. 2011 Feb 21;27(6):3106–3112. doi: 10.1021/la1050404

Figure 2.

Figure 2

TEM images of (a) SiO2-Fe3O4, (b) PHEMA-SiO2-Fe3O4, and (c) NTA-SA-PHEMA-SiO2-Fe3O4 nanoparticles. The inset in image (c) shows an NTA-SA-PHEMA-SiO2-Fe3O4 particle at higher magnification.