Preparation of Fe3O4@graphene oxide core-shell magnetic particles for use in protein adsorption
Preparation of Fe3O4@graphene oxide core-shell magnetic particles for use in protein adsorption
复制标题
Fe3O4@氧化石墨烯核壳磁性颗粒的制备用于蛋白质吸附
DOI：
10.1016/j.matlet.2012.05.086
复制
发表时间：
2012-09-01
影响因子：
3
通讯作者：
Chen, Xu
中科院分区：
文献类型：
--
作者：
Wei, Hang;Yang, Wensheng;Chen, Xu
采用简单的静电自组装方法制备了核壳结构的Fe3O4@graphene oxide（GO）亚微米粒子。Fe_3O_4@GO颗粒具有良好的水溶性、高的饱和磁化强度和灵敏的磁响应。以牛血清白蛋白（BSA）为模型蛋白，研究了Fe3O4@GO颗粒对蛋白质的吸附效果。由于GO和Fe 3 O 4的组合益处，Fe3O4@GO颗粒表现出大的吸附容量（181.8mg/g）和对BSA的快速吸附动力学发现GO作为核-壳磁性复合材料的壳材料的性能上级常规壳材料如聚合物和硅的性能，从而证明了Fe3O4@GO颗粒在磁性生物分离中应用的巨大潜力。皇冠版权所有（C）2012由Elsevier B. V.出版。保留所有权利。
Core-shell structure Fe3O4@graphene oxide (GO) submicron particles have been prepared via a simple electrostatic self-assembly process. The Fe3O4@GO particles had good dispersibility in water, high saturation magnetization and sensitive magnetic response. Bovine serum albumin (BSA) was chosen as model protein to study the efficacy of the Fe3O4@GO particles for protein adsorption. By virtue of the combined benefits of GO and Fe3O4, the Fe3O4@GO particles exhibited large adsorption capacity (181.8 mg/g) and fast adsorption kinetics for BSA The performance of GO as a shell material for core-shell magnetic composites was found to be superior to that of conventional shell materials such as polymers and silicon, thus demonstrating the great potential of the Fe3O4@GO particles for application in magnetic bioseparation. Crown Copyright (C) 2012 Published by Elsevier B.V. All rights reserved.