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. Author manuscript; available in PMC: 2009 Jul 28.
Published in final edited form as: Magn Reson Med. 2009 Jun;61(6):1489–1493. doi: 10.1002/mrm.21952

Figure 2.

Figure 2

a) Series of spectra of hyperpolarized lithium in the rat brain. Individual spectra were processed with 5 Hz line broadening. Signal is visible up to 300 s after dissolution. b) Integrals of the same peaks in the rat head, corrected for the flip angle of the excitation pulse. The solid line is an exponential fit with a decay time of 72 ± 5 s.