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. Author manuscript; available in PMC: 2021 Mar 17.
Published in final edited form as: J Phys Chem Lett. 2020 Jul 24;11(15):6382–6388. doi: 10.1021/acs.jpclett.0c01345

Figure 3.

Figure 3.

2D IR spectra of (a) G24A25 amylin in depleted serum with 0.03% TFA added as an internal standard, (b) depleted human serum with 0.03% TFA added as an internal standard, and (c) G24A25 amylin in depleted human serum with the internal standard TFA signal used to scale the subtraction of the depleted serum background and, for comparison, (d) the same spectral subtraction where the TFA signal was not used.