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. 2014 Jan 24;7(2):653–661. doi: 10.3390/ma7020653

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© 2014 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 4. — Fourier Transfer Infrared (FTIR) profiles of (a) poly(styrene-alt-maleic acid) (PSMA) vs. hydrolyzed PSMA; (b) Fe@Au vs. Fe@Au-SH; (c) Fe@Au-SH vs. Fe@Au-PSMA; and (d) Fe@Au-PSMA vs. Fe@Au-PSMA-ICG/MTX.

Figure 4. — Fourier Transfer Infrared (FTIR) profiles of (a) poly(styrene-alt-maleic acid) (PSMA) vs. hydrolyzed PSMA; (b) Fe@Au vs. Fe@Au-SH; (c) Fe@Au-SH vs. Fe@Au-PSMA; and (d) Fe@Au-PSMA vs. Fe@Au-PSMA-ICG/MTX.