نتایج جستجو برای: nanofiber scaffold

تعداد نتایج: 27743  

2015
Masaya Nogi Makoto Karakawa Natsuki Komoda Hitomi Yagyu Thi Thi Nge

Optically transparent nanofiber paper containing silver nanowires showed high electrical conductivity and maintained the high transparency, and low weight of the original transparent nanofiber paper. We demonstrated some procedures of optically transparent and electrically conductive cellulose nanofiber paper for lightweight and portable electronic devices. The nanofiber paper enhanced high con...

2011
Hiroki Nakagawa Yusuke Hara Shingo Maeda

In this study, we succeeded in manufacturing a novel nanofiber hydrogel actuator that caused a bending and stretching motion synchronized with external pH oscillation, based on a bromate/sulfite/ferrocyanide reaction. The novel nanofiber gel actuator was composed of electrospun nanofibers synthesized by copolymerizing acrylic acid and hydrophobic butyl methacrylate as a solubility control site....

Journal: :cell journal 0
nima dehdilani karim shamsasenjan aliakbar movassaghpour parvin akbarzadehlaleh bahram amoughli tabrizi hamed parsa

background: three-dimensional (3d) biomimetic nanofiber scaffolds have widespread applications in biomedical tissue engineering. they provide a suitable environment for cellular adhesion, survival, proliferation and differentiation, guide new tissue formation and development, and are one of the outstanding goals of tissue engineering. electrospinning has recently emerged as a leading technique ...

2015
Ming-Hua Ho Chih-Jung Yao Mei-Hsiu Liao Pei-I Lin Shing-Hwa Liu Ruei-Ming Chen

Osteoblasts play critical roles in bone formation. Our previous study showed that chitosan nanofibers can stimulate osteoblast proliferation and maturation. This translational study used an animal model of bone defects to evaluate the effects of chitosan nanofiber scaffolds on bone healing and the possible mechanisms. In this study, we produced uniform chitosan nanofibers with fiber diameters o...

2012
Jin Ju Yoo Chan Kim Chung-Wook Chung Young-Il Jeong Dae Hwan Kang

BACKGROUND The study investigated the use of combined photodynamic therapy (PDT) and stent placement for the treatment of cholangiocarcinoma (CC). For this purpose, 5-aminolevulinic acid (ALA) was incorporated into poly(vinyl alcohol) (PVA) nanofiber, and coated onto metal stents. Their efficacy was assessed in PDT towards HuCC-T1 CC cells. METHODS Fabrication of ALA-PVA nanofiber, and simult...

2016
Jun-ichi Kadokawa Andriy Voronov

Chitin is a representative biomass resource comparable to cellulose. Although considerable efforts have been devoted to extend novel applications to chitin, lack of solubility in water and common organic solvents causes difficulties in improving its processability and functionality. Ionic liquids have paid much attention as solvents for polysaccharides. However, little has been reported regardi...

Journal: :Nanomedicine : nanotechnology, biology, and medicine 2007
Jiasong Guo Huanxing Su Yuanshan Zeng Yu-Xiang Liang Wai Man Wong Rutledge G Ellis-Behnke Kwok-Fai So Wutian Wu

In traumatic spinal cord injury, loss of neurological function is due to the inability of damaged axons to regenerate across large, cystic cavities. It has recently been demonstrated that a self-assembled nanofiber scaffold (SAPNS) could repair the injured optical pathway and restore visual function. To demonstrate the possibility of using it to repair spinal cord injury, transplanted neural pr...

2017
Dejian Li Wei Nie Liang Chen Yingke Miao Xu Zhang Fancheng Chen Bin Yu Rongguang Ao Baoqing Yu

Nanofiber mats have been widely applied in various biomedical fields such as drug delivery, tissue repair and wound dressing. In this study, the curcumin-loaded mesoporous silica incorporated nanofiber mats were prepared using blend electrospinning of curcumin-loaded mesoporous silica nanoparticles (CCM-MSNs) and polyvinyl pyrrolidone (PVP) for hemostasis. The prepared mats were then evaluated ...

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