What does an exploding car and a motorboat have in common with mass spectrometry? Lee Polite of Axion Anyaltical Labs and his entertaining ... From the fundamentals to quadrupoles to GCMS to LCMS to ...

Sarah ScolesScience Journalist This question and answer originally appeared in the July 2014 issue. The post How does ...

and that the mass spectrometer does not detect every last peptide, so minor PTMs occurring on a small percentage of proteins are often not observed. In the top-down approach, intact proteins are ...

Mass spectrometry has become the standard tool ... depend on the stoichiometry of the ubiquitination site studied. Most work on ubiquitination site determination has been done with in-gel ...