Materials Literature
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BACKGROUND: Conventional ways of making bio-electrodes are generally complicated, expensive and unconformable. Here we describe for the first time the method of applying Ga-based liquid metal ink as drawable electrocardiogram (ECG) electrodes. Such material owns unique merits in both liquid phase conformability and hi…
In this paper, the MCM-41 has been modified by impregnation with zeolite A to prepare a kind of new adsorbent. The adsorption of TC from aqueous solutions onto modified MCM-41 has been studied. It was discovered that the adsorption capability of zeolite A modified MCM-41 (A-MCM-41) increased dramatically after modific…
Luminescent ZnO@polymer core–shell nanoparticles were synthesized and loaded with doxorubicin (DOX) for the treatment of human brain cancer cells. Analyses by confocal laser scanning microscopy proved that the ZnO@polymer–DOX nanocomposites were decomposed at lysosomes to release DOX molecules, which penetrated into t…
High (≥95 % C) yields of n-hexane and n-pentane were obtained by hydrogenolysis of aqueous sorbitol and xylitol, respectively, at 413-443 K by using the Ir-ReOx /SiO2 catalyst combined with H-ZSM-5 as a cocatalyst and n-dodecane as a cosolvent. The direct production of n-hexane from glucose or cellobiose can be achiev…
A novel linear non-fullerene acceptor (DBS-2DPP) based on dibenzosilole and diketopyrrolopyrrole is designed and synthesized. DBS-2DPP exhibits strong and broad absorption and appropriate energy levels matching with P3HT. Solution-processed BHJ OSCs based on P3HT:DBS-2DPP show PCEs as high as 2.05%.
Tissue engineering has been a promising field of research, offering hope of bridging the gap between organ shortage and transplantation needs. However, building three-dimensional (3D) vascularized organs remains the main technological barrier to be overcome. One of the major challenges is the inclusion of a vascular n…
Bacterial infections, the toxicity of engineered nanomaterials, the presence of inorganic pollutants in the environment, and providing safe drinking water are the most threatening problems of the 21st century. To tackle these challenges, we develop a one-pot, solvent free, and rapid synthesis of smart magnetic graphen…
We experimentally demonstrate the control of the spontaneous emission rate and the radiation pattern of colloidal quantum dots deterministically positioned in a plasmonic patch antenna. The antenna consists of a thin gold microdisk separated from a planar gold layer by a few tens of nanometers thick dielectric layer.…
We report the facile one-pot single-phase syntheses of silver nanoparticles stabilized by norbornene type cationic polymers. Silver nanoparticles (AgNPs) stabilized by polyguanidino oxanorbornenes (PG) at 5 and 25 kDa and polyamino oxanorbornenes (PA) at 3 and 15 kDa have been synthesized by the reduction of silver io…
Soluble luminescent temperature probes are promising candidates for optical thermometry and thermography applications requiring precise, passive, and spatially resolved temperature data. Dual-emitting temperature sensors overcome many of the obstacles encountered with absolute intensity-based luminescence sensors, inc…
Metal-organic frameworks (MOFs) with high porosity usually exhibit weak mechanical stabilities, in particular, rather low stabilities against shear stress. This limitation remains one of the bottlenecks for certain applications of porous MOFs, such as gas storage or separation that requires dense packing of the MOF po…
The solubility data of 4,4′-dichlorodiphenyl disulfide in solvents (ethanol, methanol, ethyl acetate, methylbenzene, chloroform, acetone) were measured between (303.15 and 333.15) K under atmospheric pressure using synthetic method and laser monitoring technique. The experimental data was correlated with the Apelblat…
The absorption spectra and local electric fields of nanosized superparamagnetic magnetites of four different shapes including a sphere, cube, cylinder and disk have been calculated using the discrete dipole approximation. The absorption efficiency and its peak position for the magnetite are dependent upon the morpholo…
The specific heat of polycrystalline (Ca0.85La0.15)10(FeAs)10(Pt3As8), an electron-doped iron-based superconductor (T(c)(onset) = 34.6 K) with Ca/La ions and Pt3As8 separating the FeAs layers, was measured between 0.4 and 48 K.This compound has been recently reported to represent an electron-doped variant of the non-s…
Two-way multicomponent diffusion processes in polymeric nanocomposite foams, where the condensed phase is nanoscopically reinforced with impermeable fillers, are investigated. The diffusion process involves simultaneous outward permeation of the components of the dispersed gas phase and inward diffusion of atmospheric…
Abstract Vehicles running on compressed natural gas (CNG) are a promising option to significantly decrease automotive CO2 emissions. However, considerable amounts of methane are emitted by the exhaust of CNG powered engines which are difficult to convert by standard catalytic converters. Yet, by combining the catalyst…
We present a modal method for the fast analysis of 2D-layered gratings. It combines exact discrete formulations of Maxwell equations in 2D space with polynomial approximations of the constitutive equations, and provides a sparse formulation of the eigenvalue equations. In specific cases, the use of sparse matrices all…
Electrical and photoresponse properties of a Al/porous silicon/crystalline silicon/Al structure (Al/PSi/Si/Al) are investigated under irradiation of Nd:YAG laser pulses. The effect of Nd-YAG laser irradiation on the morphological and structural properties of a porous silicon layer is also demonstrated. The porous Si l…
A grating coupled porous silicon (pSi) Bloch Surface Wave (BSW) biosensor capable of supporting a surface mode is demonstrated for the real-time detection of both small and large molecules. In contrast to most pSi based sensor platforms that are unable to perform high sensitivity detection of large molecules that do n…
Bacteria have the most attendance in biosynthesis of silver nanoparticles either intra- or extracellular. In this study, we investigated biologic production of silver nanoparticles by a silver resistant Bacillus sp. isolated from a copper mine. The UV–vis and XRD spectra of the aqueous medium containing the Bacillus s…