نتایج جستجو برای: double nanotube system

تعداد نتایج: 2452873  

D. Toghraie, H. Nahvi, S. Oveisi

This work focuses on the dynamical behavior of carbon nanotubes, including vibration, wave propagation and fluid-structure interaction. In the present research, transverse vibration of nano fluid conveying carbon nanotubes is investigated. To this end, based on the nonlocal and strain-inertia gradient continuum elasticity theories and by using rod and Euler-Bernoulli beam models, the system’s d...

2014
Sebastian Heeg Antonios Oikonomou Roberto Fernandez-Garcia Christian Lehmann Stefan A. Maier Aravind Vijayaraghavan Stephanie Reich

We realize the coupling of carbon nanotubes as a one-dimensional model system to near-field cavities for plasmon-enhanced Raman scattering. Directed dielectrophoretic assembly places single-walled carbon nanotubes precisely into the gap of gold nanodimers. The plasmonic cavities enhance the Raman signal of a small nanotube bundle by a factor of 10(3). The enhanced signal arises exclusively from...

2011
Vijoya Sa Konstantin G. Kornev

A method is described for the wet spinning of alginate fibers with a loading of single-walled carbon nanotubes as high as 23 wt%. Electrostatic assembling of polyelectrolytes and nanotubes coated with sodium dodecyl sulfate is exploited by using calcium as a cross-linking agent. The Young’s modulus of these fibers depends non-monotonically on nanotube concentration which is explained using Halp...

2016
Xingwang Liu Ang Tian Junhua You Hangzhou Zhang Lin Wu Xizhuang Bai Zeming Lei Xiaoguo Shi Xiangxin Xue Hanning Wang

PURPOSE To endow implants with both short- and long-term antibacterial activities without impairing their biocompatibility, novel Ti-Ag alloy substrates with different proportions of Ag (1, 2, and 4 wt% Ag) were generated with nanotubular coverings (TiAg-NT). METHODS Unlike commercial pure Ti and titania nanotube, the TiAg-NT samples exhibited short-term antibacterial activity against Staphyl...

Background & Aims: Drugs are highly active due to their many functional groups and can be easily destroyed by stomach acid and excreted before reaching target tissue. Thus, by encapsulating, a sheath is placed around drug to reduce reactivity of the drug due to stereo electronic resonance with nanotube and consequently drug stays longer in body. As a result, you can consume a smaller dose of dr...

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