Please wait a minute...
浙江大学学报(农业与生命科学版)  2018, Vol. 44 Issue (2): 209-214    DOI: 10.3785/j.issn.1008-9209.2018.04.081
论文     
利用电化学法结合丝素膜调控羟基磷灰石沉积及其形貌
王天云,张青,朱良均,杨明英*
浙江大学动物科学学院应用生物资源研究所,杭州 310058
Electrochemical deposition technology regulating the morphology of hydroxyapatite deposited on silk fibroin film
WANG Tianyun, ZHANG Qing, ZHU Liangjun, YANG Mingying*
Institute of Applied Bioresource Research, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China
 全文: PDF(9163 KB)   HTML (
摘要:
为研究电化学沉积法结合天然丝素蛋白(silk fibroin, SF)调控羟基磷灰石(hydroxyapatite, HAp)在丝素表面的沉积形貌,探讨沉积时间、电流密度和电解液pH 对沉积HAp 形貌的影响,通过扫描电子显微镜(scanning electron microscope, SEM)、电子衍射能谱(electron diffraction spectroscopy, EDS)、傅里叶变换红外光谱分析(Fourier transform infrared spectroscopy, FTIR)和X射线衍射来表征沉积HAp的形貌、Ca/P、化学结构和晶相结构。结果表明:沉积层随沉积时间的延长而增厚,且沉积颗粒和孔径随电流密度和电解液pH值的增大而增大;当电流密度为2.5 mA/cm2、电解液pH为5.3、沉积时间为30 min 时,能得到均一平整的纳米多孔HAp涂层。本研究拓展了HAp/SF复合材料在骨组织工程领域的研究和应用,为开发丝素蛋白骨组织修复材料提供了新思路。
关键词: 羟基磷灰石丝素蛋白电化学沉积骨修复    
Abstract:
In order to investigate the morphology of hydroxyapatite (HAp) on the surface of silk fibroin (SF) film regulated by electrochemical deposition process, the effects of deposition time, ampere density and electrolyte pH on HAp morphology were discussed. Scanning electron microscope (SEM), electron diffraction spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR) and X-ray diffractions (XRD) were applied to characterize the morphology, Ca/P, chemical structure and crystalline phase of HAp. The results indicated that the thickness of HAp was increased by prolongation of deposition time, and the size of synthesized particles and pores was also increased with the rise of ampere density and electrolyte pH. A uniform, flat and porous surface of HAp was obtained with the ampere density of 2.5 mA/cm2, electrolyte pH of 5.3, deposition time of 30 min. This study expands the research and application of HAp/SF biomaterials in bone tissue engineering, and provides novel ideas for developing bone repairing materials based on silk fibroin.

Key words: hydroxyapatite    silk fibroin    electrochemical deposition    bone repairing
出版日期: 2018-04-27
基金资助: 国家现代农业产业技术体系建设专项(CARS-18);浙江省自然科学基金重点项目(LZ17C170002);中央高校基本科研业务费专项资金(2018XZZX001-111)
通讯作者: 杨明英(https://orcid.org/0000-0002-7019-7692)     E-mail: yangm@zju.edu.cn
服务  
把本文推荐给朋友
加入引用管理器
E-mail Alert
RSS
作者相关文章  
王天云
张青
朱良均
杨明英

引用本文:

王天云, 张青, 朱良均, 杨明英. 利用电化学法结合丝素膜调控羟基磷灰石沉积及其形貌[J]. 浙江大学学报(农业与生命科学版), 2018, 44(2): 209-214.

WANG Tianyun, ZHANG Qing, ZHU Liangjun, YANG Mingying. Electrochemical deposition technology regulating the morphology of hydroxyapatite deposited on silk fibroin film. Journal of Zhejiang University (Agriculture and Life Sciences), 2018, 44(2): 209-214.

链接本文:

http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2018.04.081        http://www.zjujournals.com/agr/CN/Y2018/V44/I2/209

No related articles found!