نتایج جستجو برای: nanofiber diameter

تعداد نتایج: 115606  

2017
Shogo Hiura Naoki Okada Junma Wakui Hikari Narita Shinji Kanehashi Takeshi Shimomura

The thermoelectric properties of a poly(3-hexylthiophene) (P3HT) nanofiber mat which has higher crystallinity-and thus exhibits larger carrier mobility-than a non-fibrous P3HT film, were investigated. No significant difference was observed in the maximum values of the power factor between the P3HT nanofiber mat and the P3HT film. However, the thermal conductivity of the nanofiber mat was less t...

2014
J. A. Prince D. Rana T. Matsuura N. Ayyanar T. S. Shanmugasundaram G. Singh

The innovative design and synthesis of nanofiber based hydro-philic/phobic membranes with a thin hydro-phobic nanofiber layer on the top and a thin hydrophilic nanofiber layer on the bottom of the conventional casted micro-porous layer which opens up a solution for membrane pore wetting and improves the pure water flux in membrane distillation.

The antimicrobial activity of a wound dressing is a key factor for preventing and treating wound infection. The current study evaluated the physiochemical properties and antimicrobial activities of semi-IPNs (interpenetrating polymer networks) based on chitosan/polyvinyl alcohol (PVA) films and nanofibers as candidates for wound dressings and investigated the effects of morphologies (nanofibrou...

Journal: :International Journal of Plant and Soil Science 2023

Nanotechnology operates at the nanoscale, offering precise manipulation and enhancing materials, applications, performance across various domains. It holds promise in addressing weed-related losses, with nanofibers emerging as a noteworthy option among diverse nano-formulations. The research conducted Centre for Agricultural Nanotechnology, TNAU, Coimbatore focuses on crafting pendimethalin-loa...

2014
Adnan Haider Kailash Chandra Gupta Inn-Kyu Kang

Tissue engineering is faced with an uphill challenge to design a platform with appropriate topography and suitable surface chemistry, which could encourage desired cellular activities and guide bone tissue regeneration. To develop such scaffolds, composite nanofiber scaffolds of nHA and sHA with PLGA were fabricated using electrospinning technique. nHA was synthesized using precipitation method...

2016
Chen-wen Li Qing Wang Jing Li Min Hu San-jun Shi Zi-wei Li Guo-lin Wu Huan-huan Cui Yuan-yuan Li Qian Zhang Xiu-heng Yu Lai-chun Lu

Wound healing occupies a remarkable place in everyday pathology and remains a challenging clinical problem. In our previous study, we prepared a silver nanoparticle/chitosan oligosaccharide/poly(vinyl alcohol) (PVA/COS-AgNPs) nanofiber via electrospinning and revealed that it could promote wound healing; however, the healing mechanism remained unknown. Therefore, we aimed to clarify the mechani...

2012
Shu-Gen Wang Xin Jiang Peng-Cheng Chen An-Guo Yu Xiao-Jun Huang

A core/sheath nanofiber membrane with poly[bis(p-methylphenoxy)]phospha-zene (PMPPh) as the sheath and easily spinnable polyacrylonitrile (PAN) as the core was prepared via a coaxial electrospinning process. Field-emission scanning electron microscopy and transmission electron microscopy were used to characterize the morphology of the nanofiber membrane. It was found that the concentration of t...

Journal: :Optics letters 2013
Mark Sadgrove Ramachandrarao Yalla Kali P Nayak Kohzo Hakuta

We implemented a photonic crystal nanofiber device by reversibly combining an optical nanofiber and a nanofabricated grating. Using the finite-difference time-domain method, we designed the system for minimal optical loss while tailoring the resonant wavelength and bandwidth of the device. Experimentally, we demonstrated that the combined system shows a strong photonic stop band in good agreeme...

The antimicrobial activity of a wound dressing is a key factor for preventing and treating wound infection. The current study evaluated the physiochemical properties and antimicrobial activities of semi-IPNs (interpenetrating polymer networks) based on chitosan/polyvinyl alcohol (PVA) films and nanofibers as candidates for wound dressings and investigated the effects of morphologies (nanofibrou...

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