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Sample Processing at Pittcon® 2014
Tuesday, May 06, 2014
Application Note
Robert L. Stevenson, Ph.D.
The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more
Sample Prep for LC, GC, and SFC at Pittcon® 2013
Friday, May 10, 2013
Technical Article
Robert L. Stevenson, Ph.D.
At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... read more
New Instrumentation and Applications at HPLC 2012
Friday, August 10, 2012
Technical Article
Robert L. Stevenson, Ph.D.
A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more
Rapid, Robust, and Sensitive Detection of 11-nor-Δ9-Tetrahydrocannabinol-9-Carboxylic Acid in ...
Thursday, September 01, 2011
Technical Article
Bernhard Rothweiler Fred Feyerherm David Engelhart Stephan Baumann
Testing hair for drugs of abuse has been practiced for over 50 years, due in large part to the ability to detect drug use over a longer period of time, as compared to other biological matrices, ... read more
High-Content Analysis Comes Full Circle in Only Eight Years
Monday, April 18, 2011
Technical Article
Robert L. Stevenson, Ph.D.
In eight short years, high-content analysis (HCA) has circled back to its roots, where many practitioners are again using personal instruments. read more
Providing Purge Gas for FTIR Systems
Monday, April 18, 2011
Technical Article
Peter Froehlich Kim Myers
While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more