NASHVILLE, Tennessee, July 9 -- Vanderbilt University issued the following news: Richard Caprioli, Stanford Moore Chair in Biochemistry and Director of the Mass Spectrometry Research Center It started with a hacksaw and a multimillion-dollar instrument. Richard Caprioli, then a postdoctoral fellow, was given the hacksaw to cut the instrument in half during his first day in the lab of John Beynon, professor of chemistry at Purdue University and author of one of the earliest books on mass spectr more PR