transmitted and archived using many different non-proprietary file formats (mzml, mzdata, mzxml, mgf, dta, etc.). they all have their strengths and weaknesses (as well as proponents and opponents). the xml-based formats have become standards for the archiving of large data sets in a format that does not...
propylene glycol is basically the alternative to ethylene glycol, which is the most common type of antifreeze. ethylene glycol works great but the problem is you can't use it anywhere where a leak could come into contact with potable water or food processing systems. propylene glycol is chemically compatible...