This 15th volume of Advances in Mass Spectrometry brings together the key papers and abstracts from the 15th International Mass Spectrometry Conference. Attended by over 1100 scientists, this conference presented over 700 papers on all aspects of modern mass spectrometry. Coverage included the rapidly growing application areas in biochemisty, biology and medicine, as well as the fundamentals, instrumental and methodology developments of mass spectrometry which has all been brought together in one comprehensive volume.