What’s New in Analytical Sample Preparation
European IST 20th Anniversary promotion
During 2012, a few lucky customers will receive Golden Tickets in their shipments, entitling them to a 60% discount on SPE consumables.
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Biotage introduces RapidTrace+ SPE Workstation
The RapidTrace+ delivers advanced processing and the rapid development of rugged sample preparation methods. It is extremely reliable and precise, incorporating easy-to-use features for quick method optimization. The enhanced RapidTrace+ broadens usability and increases instrument performance. RapidTrace+ is compatible with industry standard 1, 3 and 6 mL syringe type columns and is compatible with all Biotage ISOLUTE and EVOLUTE products in these formats.
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Overcoming protein binding of Vitamin D Metabolites in Human Plasma
Applications chemists in Wales, UK, have developed a more sensitive sample preparation method for Vitamin D and Metabolites, 25-OH Vitamin D2 and 25-OH Vitamin D3, from Human Plasma. Utilizing the ISOLUTE SLE+ plates and an integral protein binding disruption step with Isopropyl alcohol, the extraction maximizes analyte recovery and eliminates the need for any offline protein precipitation. All results show recoveries above 85% with RSDs below 10%. LOQ values are 25 ng/mL for 25-OH Vitamin D2 and D3, with high recoveries also possible for the other Vitamin D metabolites.
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QuickStart Guide to SPE
If you are new to solid phase extraction or want to speed up your method development, our QuickStart Guide to SPE provides comprehensive practical advice on SPE method development and optimization including how to choose the best SPE sorbent for your application, processing options and troubleshooting hints and tips.
The guide covers all SPE retention mechanisms: non-polar, polar, ion exchange and mixed-mode. Each step of the SPE process is explained, along with recommendations for solvents for use at each stage.
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