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学科主题: 物理化学
题名: Boronic acid functionalized magnetic nanoparticles via thiol-ene click chemistry for selective enrichment of glycoproteins
作者: Zhang, Sitong1, 2;  He, Xiwen1, 2;  Chen, Langxing1, 2;  Zhang, Yukui1, 2, 3
通讯作者: 陈朗星
刊名: NEW JOURNAL OF CHEMISTRY
发表日期: 2014-09-01
DOI: 10.1039/c4nj00424h
卷: 38, 期:9, 页:4212-4218
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A simple, novel approach was developed for the preparation of boronic acid functionalized Fe3O4 magnetic nanoparticles (MNPs) via thiol-ene (TE) click reaction. In this work, two clickable Fe3O4 MNPs functionalized with either alkene or thiol moieties were synthesized. Firstly, Fe3O4 MNPs were synthesized through a solvothermal method and then the clickable alkene- or thiol-coated Fe3O4 MNPs were prepared by sot gel reaction with an organosilicon coupling agent, 3-(methacryloyloxy) propyltrimethoxylsilane (MPS) or 3-mercaptopropyltriethoxysilane (MPTES). The carbon carbon double bonds/thiol groups on the surface of the MNPs serve as clickable sites to react with 4-mercaptophenylboronic acid (4-MPBA)/3-acrylamidophenylboronic acid (AAPBA) during the subsequent TE click reaction. Finally, the high density of boronic acid ligands immobilized on the surface of the Fe3O4 MNPs was obtained via TE click reactions. The morphology, adsorption and recognition properties of the Fe3O4 MNPs were investigated by transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), vibrating sample magnetomety (VSM) and X-ray photoelectron spectrometry (XPS). Four proteins, including ovalbumin (OB) and transferrin (Trf) as glycoprotein templates, and lysozyme (Lyz) and horse heart cytochrome c (Cyt C) as non-glycoprotein templates are chosen as target proteins. Two types of click-Fe3O4 MNP (Fe3O4@MPS@PBA and Fe3O4@SH@AAPBA) exhibit a high binding capacity and excellent specificity towards glycoproteins, and can selectively capture and separate glycoproteins from egg white samples directly. Furthermore, this work could provide a promising method of surface modification for the design of more efficient adsorbents for the isolation and enrichment of proteins from complex bio-samples.
关键词[WOS]: EFFICIENT STRATEGY ;  GLYCOPEPTIDES ;  CAPTURE ;  PHOTOPOLYMERIZATION ;  NETWORKS ;  PROTEIN ;  ALKYNES ;  SAMPLES ;  FACILE
语种: 英语
WOS记录号: WOS:000341065800024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144442
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Nankai Univ, Coll Chem, Res Ctr Analyt Sci, State Key Lab Med Chem Biol, Tianjin 300071, Peoples R China
2.Collaborat Innovat Ctr Chem Sci & Engn, Tianjin, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Sitong,He, Xiwen,Chen, Langxing,et al. Boronic acid functionalized magnetic nanoparticles via thiol-ene click chemistry for selective enrichment of glycoproteins[J]. NEW JOURNAL OF CHEMISTRY,2014,38(9):4212-4218.
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