Properties:
RelatedCategories | Analytical/Chromatography,CHIRALPAKCBH,ChiralHPLCColumns,HPLC,Protein-basedChiralHPLCColumns |
Description:
Generaldescription
Hermanssondescribedtheuseofnaturalproteinsimmobilizedontoasilicasupportforchiralseparationsin1983(1).Proteinscontainalargenumberofchiralcentersofoneconfiguration,andmanyothersitesthatcontributetothegeneralretentionprocess.Usedprimarilyfortheseparationenantiomersofbasiccompounds,CHIRALPAKCBHphasehascellobiohydrolaseasthechiralselectorimmobilizedonspherical5μmsilicaparticles.Usedinreversed-phasemode,retentionandenantioselectivityisregulatedbychangesofpH,bufferconcentrationandorganicmodifier.Themobilephasesaremixturesofphosphateoracetatebuffersandorganicsolventssuchas2-propanoloracetonitrile.Thecolumnispreferablyusedfortheseparationofenantiomersofbasicdrugs,particularlycompoundscontainingoneormorenitrogenatomsalongwithoneormorehydrogen-bondinggroups(alcohol,phenol,carbonyl,amide,ether,ester,etc.).
Features:
• Directreversedphaseresolutionofchiralmolecules
• Stablewithavarietyoforganicmodifiers
• Availableinanalyticalandsemi-preparativesizes
(1)Hermansson,J.Directliquidchromatographicresolutionofracemicdrugsusinga1-acidglycoproteinasthechiralstationaryphase.J.Chromatogr.A,1983,269,71-80.
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