LCGC North America-11-01-2005

No column lasts forever, but in this month's installment of "LC Troubleshooting," John Dolan offers some tricks to help extend a column's life.

guest Columnist Rick Parmely takes a look at some capillary column basics of a well-established separation technique. He discusses peak tailing, column overload, ghost peaks, and column bleed, and speculates on "when to give up."

There is growing evidence that blueberries have powerful disease-fighting properties. Here the authors explore the research being done in this area, describing the use of a magnetic seector GC-MS SIM method to determine the presence of phenolic antioxidants in blueberries.