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. Author manuscript; available in PMC: 2014 Jun 30.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2009 Dec 10;113(49):20855–20860. doi: 10.1021/jp907216g

Figure 4.

Figure 4

FTIR spectra of (a) 6 nm DEG-Fe3O4 and (b) 6 nm PEG-Fe3O4. Spectra c and d were recorded from the parent (c) DEG and HOOC-PEG-COOH (600 g/mol).