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. Author manuscript; available in PMC: 2020 Feb 11.
Published in final edited form as: Biomacromolecules. 2019 Jan 10;20(2):790–800. doi: 10.1021/acs.biomac.8b01383

Figure 4.

Figure 4.

Change of 19F NMR relaxation times in polymers upon aggregation: (a) Decrease of T1 in PBS buffer. (b) Decrease of average T2 in PBS buffer. (c) 19F NMR peak broadening in aqueous solution versus organic solvent. (d) Variation of T2 depending on the fluorine microenvironment. (e) Evolution of T2 in P1 and PC upon DTT crosslinking and acid degradation. Graph is designed to represent the increase of T2 value for all component, increase of relative intensity for the longer T2 component and the decrease of relative intensity for the shorter T2 component resulting in increased overall T2 value. Similar trend is observed for both P2 and P3 upon acid treatment.