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《Journal of Zhejiang Sci-Tech University》 2015-11
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Effects of Ultrasonic Treatment on Pore Size of Polylactic Acid/Silk Fibroin Composite Nanofiber Membrane

ZHANG Jie;ZHANG Hai-tao;XING Tong-hai;LUO Jing-jing;XIONG Jie;Key Laboratory of Advanced Textile Materials and Manufacturing Technology,Ministry of Education,Zhejiang Sci-Tech University;  
Polylactic acid/silk fibroin(PLA/SF)composite nanofiber membrane was prepared by electrospinning technique.The effects of 90% methanol solution treatment on the structure of PLA/SF composite nanofiber membrane and the effects of ultrasonic treatment on the pore size of the fibrous membrane were investigated.FE-SEM,FT-IR,XRD and Aperture Test were used to characterize the samples.The results show that the conformation transition of SF from random coil toβ-sheet strueture was in duced by methand obvious swelling phenomenon happens to fibers;under the same ultrasonic treatment processing time,with the increase in ultrasonic treatment power,PLA/SF composite nanofibers cumulate in a looser way,and pore size increases;under the same ultrasonic treatment power,with the increase in the ultrasonic processing time,nanofibers cumulate in a looser way,and pore size increases;after the treatment,the thickness of the fiber membranes increases.
【Fund】: 国家自然科学基金项目(11272289)
【CateGory Index】: TQ340.64
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【Co-citations】
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1 ZHANG Jie;ZHANG Hai-tao;XING Tong-hai;LUO Jing-jing;XIONG Jie;Key Laboratory of Advanced Textile Materials and Manufacturing Technology,Ministry of Education,Zhejiang Sci-Tech University;;Effects of Ultrasonic Treatment on Pore Size of Polylactic Acid/Silk Fibroin Composite Nanofiber Membrane[J];浙江理工大学学报;2015-11
2 CAO Lujuan;SHI Yu;CHEN Jingxiao;CHEN Jinghua;School of Pharmaceutical Science,Jiangnan University;;Preparation of HA-Dex supramolecular hydrogel for cell encapsulation[J];中国药科大学学报;2014-03
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