Gel Permeation,
Size Exclusion Chromatography (SEC)
    
Employing Toyopearl Resins packed in the unique NovoGROM column hardware
   
Bild 8.JPG (13513 Byte) Toyopearl HW size exclusion chromatography (SEC) resins are macroporous packings dedicated to the separation of large biopolymers such as proteins, nucleic acids etc.They are also appropriate for molecular weight determination.These resins are semi-rigid, spherical beads with a hydrophilic surface.They are synthezised by co-polymerisation of ethylene glycol and methacrylate-type polymers.There are five types of Toyopearl HW resins available, i.e., HW-40, HW-50, HW-55, HW-65 and HW-75. As easily can be concluded from figure and table, each of these is defined by a given molecular size separation range.They span peptide and protein molecular weights, from 100 to 50,000,000 Daltons depending on resin type.

Separation of ß-cyclodextrin hydrolysate
Experimental conditions: column: Toyopearl HW-40S,600 x 22 mm (2x in series); sample: 500 µl 5%
(wt) hydrolyzed ß-cyclodextrin:1) glucose, 2) maltose, 3) maltotriose, 4) maltotetraose, 5) maltopenta-ose, 6) maltohexaose, eluent: distilled water; flow rate 1.0 ml /min; temperature: 40 °C; detection: RI

 
 

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Hydrophobic Interaction Chromatography (HIC)
… a powerful tool for biochemical applications
 
Toyopearl HW-65 resins, rather well-accepted for size exclusion chromatography, are an excellent base matrix for the Toyopearl 650 series of hydrophobic interaction resins.The hydrophobicity of these packings increases through the series: Ether-, Butyl-, Phenyl. They provide outstanding performance when packed in the unique NovoGROM columns …
 

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