نتایج جستجو برای: core sheath nanostructure

تعداد نتایج: 236400  

Journal: :Nanoscale 2013
Jian Feng Hui Zhu Xiurong Yang

A new type of doped Cd:In2S3 NC, which exhibits bright white-light emission with a QY of about 18%, synthesized by a one-pot G-doping synthesis approach is presented. The successful realization of temporal separation of nucleation doping and growth doping makes this approach a facile method to synthesize the In2S3/Cd:In2S3 core/shell nanostructure.

2016
Jinyao Ma Yanping Liu Peida Hao Jin Wang Yuefei Zhang

The surface or sheath effect on core-shell nanowires plays an important role in the nanomechanical test. In the past few years, SiC nanowires have been synthesized using various methods with an uneven and uncontrollable amorphous silicon dioxide sheath. The bending Young's modulus of the SiC nanowires has scarcely been measured, and the effect of the oxide sheath has not been taken into account...

Journal: :Chemical communications 2014
Christopher J DeSantis Sara E Skrabalak

Au/Pd octopods with hollow, cubic interiors and Oh symmetry were synthesized for the first time by etching core@shell Pd@Au/Pd octopods to selectively remove their Pd interiors. Integration of multiple architectural features - in this case branching symmetry, composition, and interior design - into one nanostructure provides design strategies to new plasmonic colloids.

Journal: :Magnetochemistry 2023

Dithranol is one of the oldest and most efficient drugs used in treatment psoriasis. One challenges with using dithranol its photostability, because it easily degrades when exposed to light. This study investigated potential coaxial core-sheath PCL/PVA nanofibers as a dual-functional system for enhancing photostability remote-controlled drug delivery psoriasis therapy. We have shown that titani...

Journal: :E3S web of conferences 2021

The composite insulator sheath plays an important role in protecting the core rod and insulation. thickness of must meet corresponding standard requirements. During manufacturing process, decentration leads to uneven sheath, which is easy cause risk insulators premature failure during operation. phased array detection technology can accurately detect so that defects such as (decentration rod) b...

2014
Fei Wang Pei Liu Lin Sun Cuncheng Li Valery A. Petrenko Aihua Liu

Nanomaterials with near-infrared (NIR) absorption have been widely studied in cancer detection and photothermal therapy (PTT), while it remains a great challenge in targeting tumor efficiently with minimal side effects. Herein we report a novel multifunctional phage-mimetic nanostructure, which was prepared by layer-by-layer self-assembly of Au@Ag heterogenous nanorods (NRs) with rhodamine 6G, ...

Journal: :Cell 2015
Mikhail Kudryashev Ray Yu-Ruei Wang Maximilian Brackmann Sebastian Scherer Timm Maier David Baker Frank DiMaio Henning Stahlberg Edward H. Egelman Marek Basler

Bacteria use rapid contraction of a long sheath of the type VI secretion system (T6SS) to deliver effectors into a target cell. Here, we present an atomic-resolution structure of a native contracted Vibrio cholerae sheath determined by cryo-electron microscopy. The sheath subunits, composed of tightly interacting proteins VipA and VipB, assemble into a six-start helix. The helix is stabilized b...

Journal: :Carbon 2021

Achieving high strength in fiber reinforced structural composites requires effective load transfer between the high-performance reinforcement, e.g., carbon nanotube (CNT) yarn, and matrix. Various processing approaches to enhance interaction CNT matrix were investigated. The apparent interfacial shear strengths (IFSS) of pristine yarns, post-treated yarns (cross-linked, functionalized, polymer ...

M. Seyedsadjadi, N. Farhadyar S. Rashidzadeh

Core-shell 12-tungstophosphoric acid/TiO2 (HPW/TiO2) nanoparticles at 10 and 20% of HPW have been synthesized by simple in-situ sol- gel method. Characterization of the samples was carried out by X-ray diffraction (XRD), Scanning electron microscopy (SEM), Fourier transform infrared (FTIR). The X-ray diffraction patterns of as prepared solid samples, indicated characterist...

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