نتایج جستجو برای: nano fiber

تعداد نتایج: 179605  

Journal: :international clinical neurosciences journal 0
mohammad ali ketabi faculty of dentistry, aja university of medical science, tehran, iran maryam shanavazi faculty of dentistry, aja university of medical science, tehran, iran farbod tondnevis faculty of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehran, iran majid raz faculty of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehran, iran hamid keshvari faculty of biomedical engineering, amirkabir university of technology (tehran polytechnic), tehran, iran mohsen shahrousvand department of polymer engineering and color technology, amirkabir university of technology, tehran, iran

regeneration and engineering of functional new tissues containing the neural network have great importance. progression of neural network into the dental tissue has a crucial role in dental tissue regeneration. in the present study polymer-ceramic blended scaffolds containing different weight percentages of carbon nanotube in poly caprolactone nanofiber matrix were fabricated. morphological, me...

In fiber concretes, microcracks in the boundary area between the cement paste and the surface of aggregates or fibers are higher. Natural and artificial pozzolans can be used for reinforcing this area. In this research, the combination of glass fiber, zeolite, and nano silica particles were used in lightweight self-compacting concrete containing scoria. Fiber volume fractions between 0% to 1.5%...

Journal: :anatomical sciences journal 0
maryam sahlolbei department of biochemistry , science and research branch , islamic azad university , fars ,iran. masoud solemani stem cell technology research center. nematollah razmi department of biochemistry, science and research branch , islamic azad university , fars , iran. naser amirizadeh iranian blood transfusion organization, research center, tehran, iran.

introduction: failure of human body tissue and organs is believed to be one of the most important health problems all over the world. the great challenge for tissue engineers is to optimize suitable systems to separate, proliferate and differentiate the cells so that they can set out to create tissue by a harmonic 3-d growth. therefore, the tissue engineers must provide an environment like the ...

Journal: :Sen'i Gakkaishi 2004

2015
Yan Zhang Jie Jiang Liang Liu Ke Zheng Shiyuan Yu Yimin Fan

Chitin nano-fibers with positive and negative charges have been, respectively, produced from partially deacetylated and 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidized α-chitin. The average diameters and lengths of the TEMPO-oxidized chitin nano-fibers (TOChN) were 14 ± 4.3 and 190 ± 140 nm, respectively, and the average diameters and lengths of the partially deacetylated...

Journal: :Chemical & pharmaceutical bulletin 2015
Mami Hamori Yuki Shimizu Kaori Yoshida Keizo Fukushima Nobuyuki Sugioka Asako Nishimura Kazumasa Naruhashi Nobuhito Shibata

In this study, we applied an electrospinning (ES) method, which is mainly employed in the textile industry, to the field of pharmaceuticals. We developed and modified an ES instrument and then utilized it to produce methacrylic acid copolymer S (MAC) nano-fibers to prepare tablets. By attaching a conductor rod made from stainless steel to the central part of the nano-fiber-collection plate of t...

2012
Seongmin Ju Seongmook Jeong Youngwoong Kim Poram Jeon Won-Taek Han Seongjae Boo Pramod R. Watekar

A novel optical fiber having its cladding doped with Au nano-particles was developed by modified chemical vapor deposition process. Absorption peaks of the optical fiber preform and the fiber appearing at 585 nm and 428 nm, respectively were due to surface plasmon resonance (SPR) of the incorporated Au nano-particles in the cladding. The measured peak wavelength of the SPR was found to increase...

2014
Xiangmei Zhang Kunihiro Yamaoka Koshiro Sonomoto Hiroaki Kaneko Makoto Satake Yuka Yamamoto Masahiro Kondo Jidong Zhao Ippei Miyagawa Kaoru Yamagata Shunsuke Fukuyo Yosuke Okada Yoshiya Tanaka

Mesenchymal stem cells (MSC) have been used recently for the treatment of autoimmune diseases in murine animal models due to the immunoregulatory capacity. Current utilization of MSC requires cells in certain quantity with multiple courses of administration, leading to limitation in clinical usage. Here we efficiently treated collagen-induced arthritis rats with a single local implantation with...

2017
M. Yunusa F. E. Ozturk A. Yildirim U. Tuvshindorj M. Kanik M. Bayindir

We demonstrate a rice leaf-like hierarchically textured polymer fiber array for anisotropic non-wetting surfaces. To provide superhydrophobicity in addition to the anisotropic behavior, fiber surfaces are spray coated with organically modified silica nanoparticles. The resulting micro/nano hierarchically structured fiber surfaces demonstrate anisotropic non-wetting properties. We designed vario...

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