Aqueous SEC Analysis of Pectins Used in Pharmaceutical Products Stephen Luke, Agilent Technologies Pectin, a natural product used for coating capsules, is produced from plant raw materials (apple, citrus, and beet). This application note presents Agilent PL aquagel-OH MIXED-H 8 µm columns that are ideal for resolving pectins. Read More Improve CE-SDS Results with Automated Sample Preparation Michael Kowalski, Clarence Lew, James A. Thorn, and Mehul P. Vora,Beckman Coulter Life Sciences This application note presents an automated preparation method for the analysis of IgG protein samples by CE-SDS. The method improves results, reduces sample preparation variability, and samples show reproducible peak areas and migration times. Read More Extraction of MPA and MPAG from Serum Using ISOLUTE SLE+ prior toLC–MS–MS Dr. Victor Vandell, Biotage AB, Sweden This application note describes a simple, efficient, and high-throughput method for the extraction of the immunosuppressant drug MPA and its metabolite MPAG from serum using ISOLUTE SLE+ in a 96-well plate format. The method demonstrates high reproducible recoveries for both analytes over a range of concentrations and RSDs less than 10%. Read More Determination of Bisphenol A in Beverages by QuEChERS and LC–MS–MS Xiaoyan Wang, UCT, LLC Bisphenol A (BPA) is a chemical widely used in the production of various types of food and beverage containers, including the lining of metal cans. BPA is anendocrine disrupter that can mimic human hormones and can have adverse health effects. This application presents a simple, fast, and effective QuEChERS method for the determination of the BPA levels in bottled or canned beverages. Read More Determination of Bisphenol A in Beverages by QuEChERS and LC–MS–MS Xiaoyan Wang, UCT, LLC Bisphenol A (BPA) is a chemical widely used in the production of various types of food and beverage containers, including the lining of metal cans. BPA is anendocrine disrupter that can mimic human hormones and can have adverse health effects. This application presents a simple, fast, and effective QuEChERS method for the determination of the BPA levels in bottled or canned beverages. Read More Determination of Bisphenol A in Beverages by QuEChERS and LC–MS–MS Xiaoyan Wang, UCT, LLC Bisphenol A (BPA) is a chemical widely used in the production of various types of food and beverage containers, including the lining of metal cans. BPA is anendocrine disrupter that can mimic human hormones and can have adverse health effects. This application presents a simple, fast, and effective QuEChERS method for the determination of the BPA levels in bottled or canned beverages. Read More