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. Author manuscript; available in PMC: 2022 May 13.
Published in final edited form as: J Phys Chem B. 2021 Apr 30;125(18):4757–4766. doi: 10.1021/acs.jpcb.1c01431

Figure 2:

Figure 2:

A) Natural abundance 2D PMLG 1H-13C HETCOR spectrum of bone ECM and B) expanded region of fig.(A), showing molecular interaction between citrate and collagen residues along with other molecular interactions represented by the dotted line.