نتایج جستجو برای: double nanotube system
تعداد نتایج: 2452873 فیلتر نتایج به سال:
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...
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...
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...
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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