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Separation Science Sponsor         Featured Article         Announcement         New Listings         Video         Event         News Newsletter sponsor Submit a Review & Earn a Gift Card! Support the laboratory and research community by sharing your product experience with other scientists and lab professionals on Labcompare. By submitting a product review you are not only sharing your experiences with others, but also gaining helpful insight from others in the research community!     Featured Article The Importance of Monodisperse Silica in the Evolution of UHPLC and HPLC Column Performance There is growing interest in the use of monodisperse particle-size distribution or PSD (here defined as having 10% RSD or less) to prepare modern HPLC columns because good correlation has been observed between narrow PSD and higher efficiency, longer life and lower pressure drop. HPLC evolution has included synthesis of spherical silica particles with uniform diameters.       Announcement Reciprocating Seal for SFC Suitable for pressures at 6,000 psi and above, the Bal Seal® reciprocating flange seal with a PEEK backup ring combines proven technology and advanced polymer formulation ideal for CO2 pumps used in supercritical fluid chromatography (SFC). Tested to over 1 million cycles, the seal is designed to handle temperatures as low as 5 °C. Unlike elastomeric gaskets and O-rings that may dissolve in CO2 media, the reciprocating seal is engineered to operate effectively at both the low and the high pressures inherent in SFC as the media changes from liquid to gas to vapor to supercritical fluid....         New Listings Compact UNECS 2000 High-Speed Spectroscopic Ellipsometer more » StepSaver Solid Phase Extraction System more » Analytical to Semi-preparative HPLC System more » Discovery VP Preparative High Performance Liquid Chromatographs more » X-LC (UHPLC) Chromatography Systems more »

News • New Views of Enzyme Structures Offers Insights into Metabolism of Cholesterol, other Lipids • Democratizing Synthetic Biology • MIT Physicist Named President of Science Philanthropy Alliance • New X-Ray Microscope for Nanoscale Imaging • Complex Emulsions Useful in Drug Delivery, Cleaning up Pollutants, Chemical Reactions

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