By pumping pressurized liquid solvent with the sample mixture through a HPLC sorbent-filled column, researchers are able to identify each mixture component using retention time measurements. These sorbents are capable of working with small particle sizes requiring high operational pressure, a common high-performance liquid chromatography operation characteristic. Able to separate and quantify, the HPLC sorbents have a hydrophobic or polar nature. The versatile materials function with digital microprocessing instruments for rapid testing.

Affinity chromatography resins, Toyopearl®, TSK-GEL®

Supplier: TOSOH Bioscience

Affinity chromatography resins are functionalised with chemically active groups or group-specific ligands.

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Ion exchange chromatography sorbents, Toyopearl®, TSK-GEL®

Supplier: TOSOH Bioscience

Typically they contain three or four different ligand types offered for ion exchange chromatography mode.

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Size exclusion chromatography sorbents, Toyopearl®

Supplier: TOSOH Bioscience

Toyopearl resins can be used in organic solvents or mixtures of organic solvents and water. The compatibility of DMF with Toyopearl also permits the separation of hydrophobic substances such as polystyrenes.