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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: J Magn Reson. 2011 Dec 2;214(1):258–262. doi: 10.1016/j.jmr.2011.11.015

Figure 6.

Figure 6

The hydrogenation of 2-hydroxyethyl 1-13C-acrylate-d2,3,3 with parahydrogen to produce hyperpolarized 2-hydroxyethyl 1-13C-propionate-d2,3,3. The reference 13C spectrum was obtained from 170 millimoles of saturated solution of sodium 1-13C-acetate dissolved in D2O at 13C Boltzmann polarization, 64 signal averages, and a recycle delay of 200 seconds. The 13C spectrum was recorded immediately after the parahydrogen-induced polarization procedure using a single scan acquisition from 15 micromoles of 2-hydroxyethyl 1-13C-propionate-d2,3,3 in approximately 4 mL 99.8% D2O. A slight shift in the static field evident from the left panel occurred between calibration and acquisition.