Magnetization-transfer 31P NMR of biochemical exchange in vivo: Application to 
creatine kinase kinetics

Möller, Harald E.; Wiedermann, Dirk

doi:10.1155/2002/326454

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Magnetization-transfer 31P NMR of biochemical exchange in vivo: Application to creatine kinase kinetics

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Möller, H. E., & Wiedermann, D. (2002). Magnetization-transfer 31P NMR of biochemical exchange in vivo: Application to creatine kinase kinetics. Spectroscopy-an International Journal, 16(3-4), 207-216. doi:10.1155/2002/326454.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0012-1100-9

Abstract

Phosphorus‒31 saturation‒transfer NMR spectroscopy provides an elegant means to study fluxes through the creatine kinase reaction in human skeletal muscle. To obtain reliable quantitative kinetic information, experimental imperfections, such as incomplete saturation and radiofrequency bleed over need to be addressed appropriately. In resting muscle, creatine kinase was near equilibrium both in normal controls and in a patient with impaired oxidative phosphorylation. Oral intake of high doses of creatine monohydrate for several days resulted in significantly increased concentrations of phosphocreatine but had no measurable effect on the phosphocreatine resynthesis rate in resting muscle.