Category: PEI (Polyethylenimine)

  • HPLC Method for Analysis of PEI on BIST™ B+ Column

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies High Performance Liquid Chromatography (HPLC) Method for Analysis of PEI Large multi-charged molecules such as polyethyleneimine (PEI) can be very difficult to separate and retain on standard columns. PEI is a complex mixture of the molecules of different sizes and geometry with various biological and […]