质粒DNA在灌柱色谱基质上的吸附行为(英文)

作     者：Miladys LIMONTA Lourdes ZUMALACRREGUI Dayana SOLER 

作者机构：Center for Genetic Engineering and Biotechnology Higher Polytechnic Institute José Antonio Echeverría Cuba 

出 版 物：《色谱》 (Chinese Journal of Chromatography)

年 卷 期：2012年第30卷第5期

页      面：522-526页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 0817[工学-化学工程与技术] 070302[理学-分析化学] 0703[理学-化学] 

主　　题：色谱 POROS WFI 理论 

摘      要：Anion exchange chromatography is the most popular chromatographic method for plasmid separation.POROS R1 50 is a perfusio n chro mato graphic suppo rt w hich is a reversed phase matrix and is an alternative to co nventio nal o nes due to its mass transfer pro perties.The adso rptio n and elutio n o f the pIDKE2 plasmid o nto reversed phase POROS R1 50 w as studied.Langmuir iso therm mo del w as adjusted in o rder to get the max imum adso rptio n capacity and the disso ciatio n co nstant fo r POROS R1 50-plasmid DNA(pDNA) system.Breakthro ugh curves w ere o btained fo r vo lumetric flo w s betw een 0.69-3.33 mL/min,given dynamic capacity up to 2.3 times higher than tho se repo rted fo r io nic ex change matrix used during the purificatio n pro cess o f plasmids w ith similar size to that o f pIDKE2.The efficiency w as less than 45% fo r the flo w co nditio ns and initial co ncentratio n studied,w hich means that the suppo rt w ill no t be o perated under saturatio n circumstances.