DMEM	Dulbecco’s modified Eagle’s medium
DSS	Sodium trimethylsilylpropanesulfonate
FID	Free-induction decay
LASSO	Least absolute shrinkage and selection operator
MHz	Megahertz
pH	Potential of hydrogen
MS	Mass spectrometry
NMR	Nuclear magnetic resonance
ppm	Parts-per-million
ROI	Region of interest
TMS	Tetramethylsilane
TSP	Trimethylsilylpropanoic acid