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Stevenson R.L.,Separation Science for American Laboratory Labcompare
American Laboratory | Year: 2012

HPLC 2012, the 38th International Symposium on High Performance Liquid Phase Separations and Related Techniques, CA, June 16-21, 2012, highlighted latest advances in chromatography technology and applications. A lecture reported on the performance of experimental columns packed with 1.1-μm core/shell particles. Dr. Andy Alpert, President of PolyLC, Columbia, MD, and the founder of HILIC and related ERLIC presented a sunrise tutorial on orthogonal selectivity to reversed-phase liquid chromatography (RPLC) and improved detection sensitivity in LC-MS. Protocol for optimizing peak capacity for i.d. gradient elution separations of small molecules, starting with the restricted set of commercially available column dimensions, was also discussed. Two selective sorbents targeting phosphopeptides to improve MS detection and both were found to be effective in selective extraction of phosphopeptides. Source


Stevenson R.L.,Separation Science for American Laboratory Labcompare
American Laboratory | Year: 2012

The 4th Automation User Group Meeting, held at the Mark Hopkins Hotel, San Francisco, CA, September 20-23, 2011, highlighted that proposed next-generation systems should share a common industrial design for the modules to improve layout and servicing. The evolution of genome sequencing at Broad was described by Ms. Sheila Fisher. Broad was one of the leaders in sequencing the human genome and follow-on genomes. Scott Fulton of BioSystem Development, Madison, WI, lectured on the AssayMAP™ Microchromatography Platform for sample prep using automated liquid handlers such as the Bravo. According to Hinnerk Boriss, Sovicell, Leipzig, Germany, estimating the unbound fraction of drug candidates is essential for predicting their pharmacodynamics. Sovicell developed the TRANSIL brain absorption assay for measuring the transport across a porcine lipid by layer. Source


Stevenson R.,Separation Science for American Laboratory Labcompare
American Laboratory | Year: 2011

Columns, chemicals, and consumables (CCCs) account for more than 30% of the chromatography market. The quantities are large. Globally, 400,000 active HPLCs produce two 100-car tanker trains of waste mobile phase per year. This cost nearly a billion dollars to buy and a similar number to dispose of. With an average of five columns/year, the number of columns is about two million. This seems low, since a few chromatographs run 24 × 7 and use hundreds of columns. Columns are a topic close to the heart of many chemists, since one can utilize one's chemical training to use and even improve them. Source


Stevenson R.,Separation Science for American Laboratory Labcompare
American Laboratory | Year: 2011

The 21st International Light Scattering Colloquium attracted about 90 scientists to the Four Seasons Biltmore Hotel Resort in Santa Barbara, CA, for an intense, two-day update on advances in analytics for the nanoworld, with a particular focus on light scattering technology. As in the past, the quality of the technical presentations was better than excellent. Some of the presentations are discussed in this article. Source


Stevenson R.,Separation Science for American Laboratory Labcompare
American Laboratory | Year: 2011

With each year, Cambridge Healthtech Institute's (CHI) Molecular Medicine Tri-Conference continues to expand. The 18th edition, held February 23-25 at the North Hall of San Francisco's Moscone Convention Center, increased the parallel tracks to 13. Attendance was up by 10%. Tracks included Circulating Tumor Cells (CTCs), Informatics, Medicinal Chemistry, Translational Science, and Cancer Biologics. Of course, it would take a team of journalists to even begin to completely cover this multifaceted meeting, so you are getting only the highlights. Source

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