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. Author manuscript; available in PMC: 2016 May 28.
Published in final edited form as: Chem Commun (Camb). 2015 May 28;51(43):8982–8985. doi: 10.1039/c5cc01826a

Figure 4.

Figure 4

Hyper-CEST spectra shown for 1 μM CB[6] in PBS (black), in blood plasma (blue), and in blood plasma with 10 μM putrescine (red); all data collected at 300 K.