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. Author manuscript; available in PMC: 2013 Oct 23.
Published in final edited form as: J Am Chem Soc. 2012 Jul 26;134(32):13164–13167. doi: 10.1021/ja304115q

Figure 1.

Figure 1

Characterization of chimeric DNA molecule-engineered Fe-Fe3O4 CSNPs. TEM images of Fe-Fe3O4 CSNPs a) before and b) after chimeric DNA molecule modification in hexane and water, respectively. c) Solvent dispersity of Fe-Fe3O4 CSNPs before and after chimeric DNA molecule functionalization. The as prepared Fe-Fe3O4 CSNPs are hydrophobic and disperse in hexane, while the functionalized Fe-Fe3O4 CSNPs are hydrophilic and disperse in water. d) Magnetic separation of engineered Fe-Fe3O4 CSNPs. Lipid-T20 was used as the chimeric DNA molecule here. Detailed sequence information for all the chimeric DNA molecules can be find in Table S1 (SI). Scale bars: 50 nm.