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. 2013 Feb 24;6:13–21. doi: 10.4137/MRI.S11084

Figure 4.

Figure 4

Representation of a simple kinetic model in which molecular species A is converted to B and vice-versa with unitary rate constants k1 and k−1, respectively.

Notes: The * denotes the hyperpolarized molecules that relax to their equilibrium Boltzmann state according to the relaxation time T1 (subscript A and B denote the corresponding species).