The Effects of Changing Column Inner Diameter on LC-MS Applications- Part 2

Part 2: Changing Column Inner Diameter with Constant Flow Rate Guest Author: Dr. Jeff Layne Welcome back to this article series on the effects of changing column inner diameter on Continue Reading

What is Core-shell and Superficially Porous Technology?

Fully porous core-shell particle

Guest Author: Ann Montross, Core-shell Technical Expert/Consultant Silica media in HPLC columns were originally irregular shaped particles of silica. Then silica based HPLC columns moved to the traditionally filled, fully Continue Reading

The Effects of Changing Column Inner Diameter on LC-MS Applications- Part 1

Part 1: Changing Column Inner Diameter While Adjusting Flow Rate Guest Author: Dr. Jeff Layne Welcome everyone! Jeff Layne here, back with another article series, and this time we are Continue Reading

Optimizing Sample Preparation Methods for Comprehensive Drug Research Panels from Urine

Gluca-what? Hydrolysis? Beta-something? While the terminology for urine drug testing can be confusing, the methods should not be. Improve upon traditional urine testing by learning the science behind the steps Continue Reading