ABSTRACT
Mass and Time Measurements ..........................................373 20.4 Quantitation Strategies .................................................................................376
20.4.1 18O Stable-Isotope Labeling Techniques ..........................................376 20.4.2 “Label-free” Quantitation Using Intensity Information ...................378
20.5 Recent Applications .....................................................................................379 20.6 Conclusions ..................................................................................................382 Acknowledgments ..................................................................................................382 References ..............................................................................................................383
