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Monodispersed bimetallic PdAg nanoparticles can be fabricated through the emulsion-assisted ethylene glycol (EG) ternary system. Different compositions of bimetallic PdAg nanoparticles, Pd₈₀Ag₂₀, Pd₆₅Ag₃₅ and Pd₄₆Ag₅₄ can be obtained via adjusting the reaction parameters. For the formation process of the bimetallic PdAg nanoparticles, there have two-stage… (More)
Monodisperse bimetallic Pd-Cu nanoparticles with controllable size and composition were synthesized by a one-step multiphase ethylene glycol (EG) method. Adjusting the stoichiometric ratio of the Pd and Cu precursors afforded nanoparticles with different compositions, such as Pd(85)-Cu(15), Pd(56)-Cu(44), and Pd(39)-Cu(61). The nanoparticles were separated… (More)
A facile one-pot approach is successfully developed to construct the stable Au nanochains with silica shell via self-assembly and classical Stöber process. The resulting Au chain@SiO2 nanoparticles holds great promise for serving as a safe, reusable, and high-performance photothermal agent against cancer.
An easy-to-scale-up multiphase emulsion-assisted synthetic strategy based on a ternary metal precursor/surfactant/ethylene glycol system has been established to prepare monodispersed bimetallic nanoparticles with designated size and composition; the nanoparticles thus prepared are easily separable from the reaction mixture.
First-principles calculations are employed to study the surface relaxation and electronic structure of the fully relaxed SrTiO(3) (001) oxygen-vacancy surfaces with both Sr and Ti terminations. In contrast to the perfect surface, the larger surface rumples and smaller interlayer distances have been found. Some in-gap Ti 3d states at about -1.13 eV below the… (More)
Three soil samples obtained from different sites adjacent to a chromium slag heap in a steel alloy factory were taken to examine the effect of chromium contamination on soil bacterial diversity as determined by construction of 16S rDNA clone libraries and sequencing of selected clones based on restriction fragment length polymorphism (RFLP) analysis.… (More)
A compact fiber Fabry-Perot interferometer (FPI) sensor for high temperature measurements is proposed and demonstrated. The FPI consists of a small core microstructured fiber and single mode fiber, and it is enabled by partial Fresnel reflection at the interface of the two fibers and the end surface Fresnel reflection of the microstructured fiber. Simple… (More)
This paper demonstrates an improved laser-induced deposition of silver nanoparticles method based on fiber surface micro-grating for surface-enhanced Raman scattering (SERS). The femtosecond (fs) laser ablation is used to create a roughened surface with micro-grating structures on the cleaved fiber end, which is beneficial for silver nanoparticles growth,… (More)
OBJECTIVE To assess postoperative effects of microelectrode-guided posteroventral pallidotomy (PVP) for Parkinson's disease. METHODS Intraoperative microelectrode recordings and microstimulation were used to explore the globus pallidus to performance of posteroventral pallidotomy in 48 patients with Parkinson's disease (47 unilateral and 1 bilateral).… (More)
BACKGROUND Fever of unknown origin (FUO) has always been a challenging problem for physicians since it was first reported half a century ago. This study aimed to investigate the clinical features of FUO and to compare the clinical significance of the classical diagnostic criteria and the Chinese revised diagnostic criteria of FUO. METHODS We… (More)