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. Author manuscript; available in PMC: 2017 Jun 21.
Published in final edited form as: Anal Chem. 2016 May 27;88(12):6547–6553. doi: 10.1021/acs.analchem.6b01344

Figure 1.

Figure 1

(a) Heat map constructed with normalized SERS spectra of cRGD-GNPs (n=23), α5β1-bound cRGD-GNPs (n=12), and αvβ3-bound cRGD-GNPs (n=11). (b) Three pure components generated from SERS data by MCR analysis. (c) MCR scores of the SERS data on two major components (c2 and c3). (d) Average SERS spectra. Shaded area represents standard deviation of the spectra at each frequency.