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. 2019 Jun 29;20(13):3190. doi: 10.3390/ijms20133190

Figure 1.

Figure 1

FTIR of Sigma Aldrich 900042 particles before and after conjugation with latent TGF-β. The orange line depicts the “pre-conjugation” absorbance spectrum, whereas the blue line depicts the “post-conjugation” absorbance spectrum.