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. Author manuscript; available in PMC: 2018 Mar 19.
Published in final edited form as: RSC Adv. 2017 Mar 20;7(28):17137–17153. doi: 10.1039/C7RA01224A

Figure 2.

Figure 2

Synthesis of IO-Au core-shell NPs via Au-seeded growth methods. (A) APTMS and (B) PEI are used as the anchor agent for the adsorption of Au seeds on IO NPs. (A) is reprinted with permission from ref 23. Copyright (2007) American Chemical Society. (B) is reprinted with permission from ref 71. Copyright (2009) American Chemical Society.