Biotage, Uppsala, Sweden, has released Isolute Filter+ high-performance filtration plates, for the processing of samples prior to ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), alongside a diverse range of other filtration applications. The plates offer high-performance filtration of diverse biological samples, suitable for use with urine prepared using a ‘dilute and shoot’ method, prior to analysis using UPLC-MS/MS. Each plate contains a 0.2 µm membrane filter for particulate removal, topped by a depth filter to prevent blocking of the membrane. The plates are designed to prevent sample particulates from reaching the UPLC column, protecting the analytical system from particulate build-up over time. For more information, visit Biotage.