نتایج جستجو برای: nanoshells
تعداد نتایج: 553 فیلتر نتایج به سال:
The selection of nanoparticles for achieving efficient contrast for biological and cell imaging applications, as well as for photothermal therapeutic applications, is based on the optical properties of the nanoparticles. We use Mie theory and discrete dipole approximation method to calculate absorption and scattering efficiencies and optical resonance wavelengths for three commonly used classes...
Nanoshells, which are thin coatings deposited on core particles of different material have gained considerable attention. These materials show novel properties which are different from their single-component counterpart. By simply tuning the core to shell ratio, the properties can be altered. With emerging new techniques it is now possible to synthesize these nanostructures in desired shape, si...
Hard-shell case: Using a (RKK)4 D8 peptide allows mineralization to occur under cytocompatible conditions. Thus individual Chlorella cells could be encapsulated within a SiO2 -TiO2 nanoshell with high cell viability (87 %). The encapsulated Chlorella showed an almost threefold increase in their thermo-tolerance after 2 h at 45 °C.
We demonstrate modulation of nitric oxide release in solution and in human prostate cancer cells from a thiol functionalized cupferron (TCF) absorbed on hollow gold nanoshells (HGNs) using near-infrared (NIR) light. NO release from the TCF-HGN conjugates occurs through localized surface heating due to NIR excitation of the surface plasmon. Specific HGN targeting is achieved through cell surface...
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