نتایج جستجو برای: cylindrical nanoparticles
تعداد نتایج: 132066 فیلتر نتایج به سال:
We perform molecular simulations to study the self-assembly of block copolymer tethered cubic nanoparticles. Minimal models of the tethered nanoscale building blocks (NBBs) are utilized to explore the structures arising from self-assembly. We demonstrate that attaching a rigid nanocube to a diblock copolymer affects the typical equilibrium morphologies exhibited by the pure copolymer. Lamellar ...
The uniqueness of nanofluids in the field thermal analysis and engineering is associated with their conductivity thermodynamics. dynamics water made up (i) single-walled carbon nanotubes larger magnitudes different shapes (i.e., platelet, cylindrical, spherical) (ii) moderately small platelet magnesium oxide, cylindrical aluminum spherical silicon dioxide) were explored order to address some sc...
The fabrication of a biodegradable and fluorescent cylindrical waveguide with doped hybrid nanoparticles (silica–carbon nanodots) is reported. hybrids were obtained by coupling amino-functionalized fumed silica the carboxylic acid surface groups amorphous carbon nanodots from thermolysis citric acid. present diameters lower than 10 nm, maximum fluorescence at 465 excitation-wavelength-dependent...
Green approach has received major attention for the synthesis of metal oxide nanoparticles. One such nanoparticles are iron (IONPs). IONPs have fetched a great deal interest in recent era because their magnetic nature, as they can be easily recovered from reaction mixture by applying an external field. Although, variety chemical and physical methods known, green is safer, sustainable biological...
Monolithic Au nanorod arrays can be grown by electrodeposition in Au-backed nanoporous alumina templates using polyethylenimine (PEI) as an adhesion layer, with excellent height control between 300 nm and 1.4 microm. The local height distribution can be extremely narrow with relative standard deviations well below 2%. The uniform growth rate appears to be determined by the adsorbed PEI matrix, ...
We present a straightforward approach with high moldability for producing dual-responsive and multi-functional plasmonic hydrogel valves and biomimetic architectures that reversibly change volumes and colors in response to temperature and ion variations. Heating of a mixture of hybrid colloids (gold nanoparticles assembled on a hydrogel colloid) and hydrogel colloids rapidly induces (within 30 ...
We measured the nondipole parameters for the spin-orbit doublets Xe 4d5/2 and Xe 4d3/2 over a photon-energy range from 100 eV to 250 eV at beamline 8.0.1.3 of the Advanced Light Source at the Lawrence Berkeley National Laboratory. Significant nondipole effects are found at relatively low energies as a result of Cooper minima in dipole channels and interchannel coupling in quadrupole channels. M...
This paper investigates a cylindrical nonlinear Schrödinger (cNLS) equation, which describes the cylindrically diverging quasi-plane envelope waves in a nonlinear medium. With the Hirota method and symbolic computation, bilinear form and N-soliton solutions in the form of an Nth-order polynomial in N exponentials are obtained for the cNLS equation. By means of the properties of double Wronskian...
Inverted papilloma is the most common benign tumor of nose and paranasal sinuses arising from lateral nasal wall and middle meatus. Histologically these tumors are composed of epithelial nests that are inverted, exophytic and cylindrical. Here we describe a clinical case of nasal cylindrical cell papilloma, which was treated by endoscopic excision.
An algorithm is presented for the geometric analysis of an algebraic curve f (x,y) = 0 in the real affine plane. It computes a cylindrical algebraic decomposition (CAD) of the plane, augmented with adjacency information. The adjacency information describes the curve’s topology by a topologically equivalent planar graph. The numerical data in the CAD gives an embedding
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