全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
材料工程  2014 

N,O-羧甲基壳聚糖磁性复合微球的制备与表征

DOI: 10.11868/j.issn.1001-4381.2014.08.008, PP. 41-45

Keywords: 水热法,铁酸镍,N,O-羧甲基壳聚糖,乳化交联法,磁性微球

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用水热法制备出NiFe2O4磁性纳米粒子。以壳聚糖和氯乙酸为原料,在碱性条件下制得N,O-羧甲基壳聚糖。以羧甲基壳聚糖为骨架材料,戊二醛作为交联剂,采用乳化交联法制备出N,O-羧甲基壳聚糖磁性微球。通过红外光谱、X射线衍射、扫描电镜、热重分析以及交变梯度磁强计对材料的组成、结构、形貌、热性能和磁性能进行测试表征。结果表明合成的NiFe2O4为立方尖晶石结构,粒径为10~80nm,饱和磁化强度为43.3A·m2·kg-1。制备的N,O-羧甲基壳聚糖磁性微球为表面光滑的球形,粒径为6~25μm,微球中NiFe2O4的质量分数为35.6%,饱和磁化强度为14.3A·m2·kg-1。

References

[1]  BARRETO A, SANTIAGO V R, MAZZETTO S E, et al. Magnetic nanoparticles for a new drug delivery system to control quercetin releasing for cancer chemotherapy[J]. Journal of Nanoparticle Research,2011,13(12):6545-6553.
[2]  PENG T, ZHANG X, LV H, et al. Preparation of NiFe2O4 nanoparticles and its visible-light-driven photoactivity for hydrogen production[J]. Catalysis Communications,2012,28:116-119.
[3]  FORTIN J, WILHELM C, SERVAIS J, et al. Size-sorted anionic iron oxide nanomagnets as colloidal mediators for magnetic hyperthermia[J]. Journal of the American Chemical Society,2007, 129(9):2628-2635.
[4]  BRULS D M, EVERS T H, KAHLMAN J, et al. Rapid integrated biosensor for multiplexed immunoassays based on actuated magnetic nanoparticles[J]. Lab on a Chip,2009,(24):3504-3510.
[5]  ZHAO H, ZHENG Z, WONG K W, et al. Fabrication and electrochemical performance of nickel ferrite nanoparticles as anode material in lithium ion batteries[J]. Electrochemistry Communications,2007,9(10):2606-2610.
[6]  AHLAWAT A, SATHE V G, REDDY V R, et al. Mossbauer, Raman and X-ray diffraction studies of superparamagnetic NiFe2O4 nanoparticles prepared by sol-gel auto-combustion method[J]. Journal of Magnetism and Magnetic Materials,2011,323(15):2049-2054.
[7]  QIN J, LAURENT S, JO Y S, et al. A high performance magnetic resonance imaging T2 contrast agent[J]. Advanced Materials,2007,19(14):1874-1878.
[8]  KIM D K, MIKHAYLOVA M, WANG F H, et al. Starch-coated superparamagnetic nanoparticles as MR contrast agents[J]. Chemistry of Materials,2003,15(23):4343-4351.
[9]  LEE H, LEE E, KIM D K, et al. Antibiofouling polymer-coated superparamagnetic iron oxide nanoparticles as potential magnetic resonance contrast agents for in vivo cancer imaging[J]. Journal of the American Chemical Society,2006,128(22):7383-7389.
[10]  SANTRA S, TAPEC R, THEODOROPOULOU N, et al. Synthesis and characterization of silica-coated iron oxide nanoparticles in microemulsion:the effect of nonionic surfactants[J]. Langmuir,2001,17(10):2900-2906.
[11]  KOUASSI G K, IRUDAYARAJ J. Magnetic and gold-coated magnetic nanoparticles as a DNA sensor[J]. Analytical Chemistry,2006,78(10):3234-3241.
[12]  ZHAO H, JEFFREY G, URS O H. Process and formulation variables in the preparation of injectable and biodegradable magnetic microspheres[J]. Biomagnetic Research and Technology, 2007,6(2):1-11.
[13]  ZHANG J, ZHANG S T, WANG Y P, et al. Composite magnetic microspheres: preparation and characterization[J]. Journal of Magnetism and Magnetic Materials,2007,309(2):197-201.
[14]  SIVAKUMAR P, RAMESH R, RAMANAND A, et al. Synthesis and characterization of NiFe2O4 nanoparticles and nanorods[J]. Journal of Alloys and Compounds,2013,563:6-11.
[15]  CHENG Y, ZHENG Y, WANG Y, et al. Synthesis and magnetic properties of nickel ferrite nano-octahedra[J]. Journal of Solid State Chemistry,2005,178(7):2394-2397.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133