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| Protein Characterization Column Suite |
Evaluate our complete range of SEC, IEX, polymeric RPC and HIC columns for protein characterization. Whether it is for analyzing antibody conjugates or proteomics mapping, isolating bioactive proteins, or individual peptides from digests, one of our
 protein characterization columns will meet your requirements! The Nest Group, Inc. - “Not Just Columns ... Answers!”
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| The LCGC TV |
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LCGC TV: Gérard Hopfgartner on Advances in Ion Mobility Mass Spectrometry
Performing liquid chromatography–mass spectrometry (LC–MS) analysis on tissue samples requires sample homogenization, which destroys the sample and loses its spatial resolution. Gérard Hopfgartner from the University of Geneva, University of Lausanne, Switzerland, presents an alternative method coupling liquid extraction surface analysis with modifier-assisted differential ion mobility spectrometry, describes other application areas, and gives his opinion on whether this is the beginning of the end for chromatography. |
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LCGC TV: Gérard Hopfgartner on Advances in Ion Mobility Mass Spectrometry
Performing liquid chromatography–mass spectrometry (LC–MS) analysis on tissue samples requires sample homogenization, which destroys the sample and loses its spatial resolution. Gérard Hopfgartner from the University of Geneva, University of Lausanne, Switzerland, presents an alternative method coupling liquid extraction surface analysis with modifier-assisted differential ion mobility spectrometry, describes other application areas, and gives his opinion on whether this is the beginning of the end for chromatography. |
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| Improving the HPLC Analysis of Food and Beverage Products with New Stationary Phases |
 Click here for a downloadable/printable infographic and on-demand webinar which serve as a valuable resource to help you cope with challenges surrounding the analyses of food and beverage products.
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| BERM 14 Symposium |
The 14th International Symposium on Biological and Environmental Reference Materials will be held October 11-15, 2015 in National Harbor, Maryland USA. Participants at BERM 14 will have a unique opportunity to interact with key players and institutions from around the world that are involved with reference materials. Call for abstracts, partnership and exhibitor applications, and registration can be found at
 www.sigma-aldrich.com/berm.
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University students and staff get 5 Years of Free Access to CHROMacademy made possible by Agilent Technologies- the world's premiere measurement company.
 Learn more
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| Online Sample Cleanup: A Cost-Effective Alternative to Conventional SPE and Liquid-Liquid Extraction Methods |
This web seminar presents an online sample cleanup methodology demonstrated using analysis of testosterone in plasma and cortisol in urine in a research setting. It is now available on-demand for you to view at your convenience, along with a complimentary whitepaper.
 Register for the On-Demand Webcast
Download Printable Whitepaper
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| Featured Product |
ViscoStar™ Differential Viscometer Detector
Wyatt Technology's ViscoStar™ viscometer, is an on-line chromatography detector for determining specific and intrinsic viscosities. The ViscoStar has at least 2X the signal-to-noise of any product available on the market.
 Learn more |
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