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. Author manuscript; available in PMC: 2022 Nov 26.
Published in final edited form as: ACS Sens. 2021 Nov 11;6(11):3967–3977. doi: 10.1021/acssensors.1c01225

Figure 1.

Figure 1.

(A) A diagram showing the perfusion timeline for all groups of hearts; and (B) a scheme illustrating the metabolism of [1-13C]pyruvate to [1-13C]lactate and [1,3-13C2]AcAc to [1,3-13C2]β-hydroxybutyrate in the cytosolic and mitochondrial compartments, respectively.