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Efficient fabrication of high-capacity immobilized metal ion affinity chromatographic media: The role of the dextran-grafting process and its manipulation
Zhao, Lan1; Zhang, Jingfei1,2; Huang, Yongdong1; Li, Qiang1; Zhang, Rongyue3; Zhu, Kai1,4; Suo, Jia3; Su, Zhiguo1; Zhang, Zhigang2; Ma, Guanghui1
2016-03-01
发表期刊JOURNAL OF SEPARATION SCIENCE
ISSN1615-9306
卷号39期号:6页码:1130-1136
摘要Novel high-capacity Ni2+ immobilized metal ion affinity chromatographic media were prepared through the dextran-grafting process. Dextran was grafted to an allyl-activated agarose-based matrix followed by functionalization for the immobilized metal ion affinity chromatographic media. With elaborate regulation of the allylation degree, dextran was completely or partly grafted to agarose microspheres, namely, completely dextran-grafted agarose microspheres and partly dextran-grafted ones, respectively. Confocal laser scanning microscope results demonstrated that a good adjustment of dextran-grafting degree was achieved, and dextran was distributed uniformly in whole completely dextran-grafted microspheres, while just distributed around the outside of the partly dextran-grafted ones. Flow hydrodynamic properties were improved greatly after the dextran-grafting process, and the flow velocity increased by about 30% compared with that of a commercial chromatographic medium (Ni Sepharose FF). A significant improvement of protein binding performance was also achieved by the dextran-grafting process, and partly dextran-grafted Ni2+ chelating medium had a maximum binding capacity for His-tagged lactate dehydrogenase about 2.5 times higher than that of Ni Sepharose FF. The results indicated that this novel chromatographic medium is promising for applications in high-efficiency and large-scale protein purification.
关键词Dextran Immobilized Metal Ion Affinity Chromatography Nickel Protein Purification
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/jssc.201501291
收录类别SCI
语种英语
关键词[WOS]EXCHANGE CHROMATOGRAPHY ; IMMUNOGLOBULIN-G ; AGAROSE MEDIA ; PURIFICATION ; ADSORPTION ; PROTEINS ; ADSORBENT ; RESINS ; TAGS ; GELS
WOS研究方向Chemistry
WOS类目Chemistry, Analytical
项目资助者Natural Sciences Foundation of China(21306206 ; National Key Technology R&D Program of the Ministry of Science and Technology(2013BAB01B03) ; National High Technology Research and Development Program of China (863 Program)(2014AA021006) ; National Key Scientific Instrument and Equipment Development Project(2013YQ14040502) ; 21206175 ; 21476241)
WOS记录号WOS:000373617100013
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20991
专题生化工程国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Hebei Normal Univ Sci & Technol, Qinhuangdao, Hebei, Peoples R China
3.Beijing Inst Petrochem Technol, Dept Chem Engn, Beijing, Peoples R China
4.China Univ Min & Technol, Sch Chem & Environm Engn, Beijing, Peoples R China
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Zhao, Lan,Zhang, Jingfei,Huang, Yongdong,et al. Efficient fabrication of high-capacity immobilized metal ion affinity chromatographic media: The role of the dextran-grafting process and its manipulation[J]. JOURNAL OF SEPARATION SCIENCE,2016,39(6):1130-1136.
APA Zhao, Lan.,Zhang, Jingfei.,Huang, Yongdong.,Li, Qiang.,Zhang, Rongyue.,...&Ma, Guanghui.(2016).Efficient fabrication of high-capacity immobilized metal ion affinity chromatographic media: The role of the dextran-grafting process and its manipulation.JOURNAL OF SEPARATION SCIENCE,39(6),1130-1136.
MLA Zhao, Lan,et al."Efficient fabrication of high-capacity immobilized metal ion affinity chromatographic media: The role of the dextran-grafting process and its manipulation".JOURNAL OF SEPARATION SCIENCE 39.6(2016):1130-1136.
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