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. Author manuscript; available in PMC: 2021 Apr 14.
Published in final edited form as: J Mol Struct. 2020 Mar 10;1210:128045. doi: 10.1016/j.molstruc.2020.128045

Fig. 6.

Fig. 6.

Synchronous hetero-spectral 2D correlation map (center) calculated using the simultaneously collected O-PTIR and Raman spectra (shown to the left and right, respectively) collected along a line across the boundary of the PHA/PLA laminate.