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功能性生物相容性磁铁矿-纤维素纳米复合纤维网络:通过傅里叶变换红外光谱、X射线粉末衍射和场发射扫描电子显微镜分析进行表征

Functional biocompatible magnetite-cellulose nanocomposite fibrous networks: Characterization by fourier transformed infrared spectroscopy, X-ray powder diffraction and field emission scanning electron microscopy analysis.

作者信息

Habibi Neda

机构信息

Nanotechnology and Advanced Materials Institute, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.

出版信息

Spectrochim Acta A Mol Biomol Spectrosc. 2015 Feb 5;136 Pt C:1450-3. doi: 10.1016/j.saa.2014.10.035. Epub 2014 Oct 22.

Abstract

The preparation and characterization of functional biocompatible magnetite-cellulose nano-composite fibrous material is described. Magnetite-cellulose nano-composite was prepared by a combination of the solution-based formation of magnetic nano-particles and subsequent coating with amino celluloses. Characterization was accomplished using X-ray powder diffraction (XRD), fourier transformed infrared (FTIR) and field emission scanning electron microscopy (FESEM) analysis. The peaks of Fe3O4 in the XRD pattern of nanocomposite confirm existence of the nanoparticles in the amino cellulose matrix. Magnetite-cellulose particles exhibit an average diameter of roughly 33nm as demonstrated by field emission scanning electron microscopy. Magnetite nanoparticles were irregular spheres dispersed in the cellulose matrix. The vibration corresponding to the NCH3 functional group about 2850cm(-1) is assigned in the FTIR spectra. Functionalized magnetite-cellulose nano-composite polymers have a potential range of application as targeted drug delivery system in biomedical field.

摘要

本文描述了功能性生物相容性磁铁矿-纤维素纳米复合纤维材料的制备与表征。磁铁矿-纤维素纳米复合材料是通过基于溶液的磁性纳米颗粒形成以及随后用氨基纤维素包覆的组合方法制备的。使用X射线粉末衍射(XRD)、傅里叶变换红外光谱(FTIR)和场发射扫描电子显微镜(FESEM)分析来完成表征。纳米复合材料XRD图谱中Fe3O4的峰证实了纳米颗粒存在于氨基纤维素基质中。场发射扫描电子显微镜显示,磁铁矿-纤维素颗粒的平均直径约为33nm。磁铁矿纳米颗粒为不规则球体,分散在纤维素基质中。FTIR光谱中约2850cm(-1)处对应于NCH3官能团的振动被确定。功能化的磁铁矿-纤维素纳米复合聚合物在生物医学领域作为靶向药物递送系统具有潜在的应用范围。

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