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New Products for Gas Chromatography at Pittcon^® 2014
Tuesday, May 06, 2014
Application Note
Robert L. Stevenson, Ph.D.
Pittcon® is changing rapidly. After decades where separation science including GC/MS and LC/MS dominated the meeting, a report by Dr. Matt Wilkinson in this issue demonstrates that optical ... read more
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
Electronic Pipetting: The Call for Innovation
Thursday, February 27, 2014
Application Note
Paula Heimler
Take a close look around most laboratories and you will find an old, barely used fixture. No one knows who ordered it or who it belongs to. It is yellowed, dusty, and top heavy, with a small keyboard ... read more
Bioassays and Bioanalytical Method Development 2013
Tuesday, November 12, 2013
Technical Article
Robert L. Stevenson, Ph.D.
Biotherapeutics are generally large molecules with a heterogeneous complex structure that is directly related to their ability to modulate biological reactions. This precludes defining a meaningful ... read more
Fast, Efficient Antibody Biotinylation for Cleaner Immunodetection Assays
Friday, June 07, 2013
Application Note
Amedeo Cappione Masaharu Mabuchi David Briggs Timothy Nadler
Many protein detection methods, including Western blotting, flow cytometry, ELISA, and immunohistochemistry, require the use of target-specific probes, such as antibodies, that are detected via two-... read more
Pittcon 2013®: Developments in Liquid Chromatography
Monday, May 13, 2013
Technical Article
Robert L. Stevenson, Ph.D.
The first commercial liquid chromatograph was probably an amino acid analyzer. These ion exchange chromatographs were so specialized that they had almost no impact on chemical analysis outside of ... read more
Putting the “More” in Morphology: Part 1
Wednesday, April 10, 2013
Technical Article
Barbara Foster
Segmentation, the ability to define the unique features in a region of interest, has always been the greatest challenge in image analysis and quantitation. A new suite of tools, available from ... read more
An Ultrasensitive Immunoassay Detection System for Biomarkers Utilizing Raman Scattering Methods
Wednesday, October 31, 2012
Technical Article
Samar Kundu Charles Ginsburgh Sandra Lynch Neal Siegel
Detection of low levels of biomarkers utilizing enzyme linked immunosorbent assay (ELISA) technology is demonstrated through the use of Raman scattering techniques and a convertible substrate for ... read more
Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography
Monday, May 07, 2012
Technical Article
Robert L. Stevenson, Ph.D.
For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more
Separation Science Highlights From Pittcon® 2011
Tuesday, May 10, 2011
Technical Article
Robert L. Stevenson, Ph.D.
At Pittcon® 2011, most new products appeared to be evolutionary, not revolutionary. 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