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. Author manuscript; available in PMC: 2014 Jul 10.
Published in final edited form as: Methods Mol Biol. 2013;1020:51–62. doi: 10.1007/978-1-62703-459-3_3

Fig. 4.

Fig. 4

Determination of the amount of heat generated during the PDE reaction. Total area (minus the injection peak) is equal to the total amount of heat produced by the complete hydrolysis of cGMP. The conversion factor (calories per moles) is calculated from this plot as the molar heat of hydrolysis.