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. Author manuscript; available in PMC: 2016 Aug 7.
Published in final edited form as: J Am Chem Soc. 2015 Apr 20;137(16):5542–5548. doi: 10.1021/jacs.5b01938

Figure 3.

Figure 3

Hyperpolarized 129Xe NMR spectra (average of 16 scans, line-broadening = 60 Hz) of WEC (30 μM) in 10 mM sodium phosphate buffer at 300 ± 1 K, with peak widths (FWHM) indicated in Hz: a. pH 5.5, 211 Hz; b. pH 6.5, 317 and 214 Hz; c. pH 7.5, 154 Hz.