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Category: Polymers

  • HPLC Method for Analysis of Carnosine (beta-alanyl-L-histidine) on BIST B+ Column

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies High Performance Liquid Chromatography (HPLC) Method for Carnosine (beta-alanyl-L-histidine) Condition Column BIST B+, 4.6×50 mm, 5 µm, 100A Mobile Phase MeCN – 75% Buffer H2SO4 – 0.2% Flow Rate 1.0 ml/min Detection UV 205 nm Peak Retention Time 3.71 min Description Class of Compounds Dipeptide […]

  • HPLC Method for Analysis of Polyhexanide (polyhexamethylene biguanide, PHMB) on BIST B+ Column by SIELC Technologies

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Polyhexanide (polyhexamethylene biguanide, PHMB) has multiple industrial, medical, biological and research applications. It has strong antiseptic properties that make this compound very useful for materials that could be a possible source of bacterial contamination.  Using SIELC’s newly introduced BIST™ method, Polyhexanide (polyhexamethylene biguanide, PHMB) […]

  • HPLC Method for Analysis of Narrow Fractions of Polylysine on BIST B+ Column

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Polylysine includes a large group of similar polymers with various uses. Some are used as food preservatives, while others are used for drug delivery in pharmaceuticals. Polymers with charged monomeric units, such as polylysine, are often difficult to separate using typical ion-exchange chromatography due […]

  • HPLC Method for Analysis of Polyglutamic Acid on BIST A

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Polyglutamic acid (PGA) is a biopolymer consisting of repeating units of Glutamic acid. PGA can be found and used in a wide variety of industries due to its biodegradable, non-toxic properties, including in the food, medical, and wastewater industries. Using SIELC’s newly introduced BIST™ […]

  • HPLC Method for Analysis of Low MW Polylysine on BIST™ B+ Column

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Polylysine includes a large group of similar polymers with various uses. Some are used as food preservatives, while others are used for drug delivery in pharmaceuticals. Polymers with charged monomeric units, such as polylysine, are often difficult to separate using typical ion-exchange chromatography due […]

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

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Polylysine includes a large group of similar polymers with various uses. Some are used as food preservatives, while others are used for drug delivery in pharmaceuticals. Polymers with charged monomeric units, such as polylysine, are often difficult to separate using typical ion-exchange chromatography due […]

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

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Cytochrome C is a mitochondrial protein that is essential to both the respiratory electron transport chain and the apoptosis cycle of cells. Using SIELC’s newly introduced BIST™ method, this essential protein can be retained on a positively-charged anion-exchange BIST™ B column. There are two […]

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

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Insulin is an anabolic peptide hormone naturally produced in the pancreas that regulates the body’s glucose levels. It is also synthesized as a treatment drug for those with Diabetes who can’t regulate their own blood sugar levels naturally. Two well-known forms of synthetic insulin […]

  • 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 […]

  • HPLC Method for Analysis of Sulfobutyl ether Beta Cyclodextrin Sodium (SBECD) on BIST™A Column

    Separation type: Bridge Ion Separation Technology, or BIST™ by SIELC Technologies Cyclodextrins are ring-shaped oligosaccharides formed in nature by the digestion of cellulose by bacteria. Cyclodextrins have utility for solubilizing and stabilizing drugs. B-Cyclodextrins sulfobutyl ether is a cyclodextrin made of 7 glucose subunits, each with a negatively-charged sulfobutyl ether group attached. Using SIELC’s newly […]