Materials Literature
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The development of a simple and on-site assay for the detection of organophosphorus pesticed residues is very important for food safety and exosystem protection. This paper reports the surface coordination-originated fluorescence resonance energy transfer (FRET) of CdTe quantum dots (QDs) and a simple ligand-replaceme…
Nanotechnology has evolved to play a prominent role in our economy. Increased use of nanomaterials poses potential human health risk. It is therefore critical to understand the nature and origin of the toxicity imposed by nanomaterials (nanotoxicity). In this article we review the toxicity of the transition metal oxid…
Despite the significant advancement in making hollow structures, one unsolved challenge in the field is how to engineer hollow structures with specific shapes, tunable compositions, and desirable interior structures. In particular, top-down engineering the interiors inside preformed hollow structures is still a daunti…
The weak photon absorption and fast carrier kinetics of graphene limit its application in photodetection. This limitation can be overcome by introducing photosensitive nanostructures to graphene. Herein we report the synthesis of a ZnO nanorod/graphene heterostructure by a facile in situ solution growth method. By com…
Reversible electric-field control of the metal-insulator transition in the rare earth nickelate compound NdNiO3 is demonstrated. Using the electric double layer technique, giant modulations in the conductance as well as large shifts in the transition temperature are obtained.
Mesoporous silica nanomaterial is one of the most promising candidates as drug carrier for cancer therapy. Herein, in vitro and in vivo study of silica nanorattle (SN) with mesoporous and rattle-type structure as a drug delivery system was first reported. Hydrophobic antitumor drug docetaxel (Dtxl) was loaded into the…
ADVERTISEMENT RETURN TO ISSUEPREVReviewNEXTLow-Cost Inorganic Solar Cells: From Ink To Printed DeviceSusan E. Habas, Heather A. S. Platt, Maikel F. A. M. van Hest, and David S. Ginley*View Author Information National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, Colorado 80401, United States* To whom corre…
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Recombination of photogenerated charge carriers in polymer bulk heterojunction (BHJ) solar cells reduces the short circuit current (Jsc) and the fill factor (FF). Identifying the mechanism of recombination is, therefore, fundamentally important for increasing the power conversion efficiency. Light intensity and temper…
We explore the behavior of periodic arrays of magnetic nanowires by micromagnetic simulations using the Nmag modeling package. A large number of modeling studies on such arrays of nanowires have been performed using finite size models. We show that these finite size micromagnetic descriptions can only be used in speci…
We solve the nonlinear Poisson-Boltzmann equation for two parallel and likely charged plates both inside a symmetric elecrolyte, and inside a 2 : 1 asymmetric electrolyte, in terms of Weierstrass elliptic functions. From these solutions we derive the functional relation between the surface charge density, the plate se…
The general solution to the nonlinear Poisson-Boltzmann equation for two parallel charged plates, either inside a symmetric elecrolyte, or inside a 2q:-q asymmetric electrolyte, is found in terms of Weierstrass elliptic functions. From this we derive some exact asymptotic results for the interaction between charged pl…
Investigation of crystallization in an 5BDSR amorphous alloy by system Fe-Cu-Nb-Si-B under the influence of an incoherent optical radiation generated by gas discharge flash-lamp using X-ray diffraction scattering. It is shown that depending on the magnitude of the input power to the flash-lamp of structure of the allo…
The present study examines the microstructure of rapidly solidified ribbons of an Mg–9.0 wt% Al–1.0 wt% Zn–4.0 wt% Sn alloy. XRD and transmission electron microscopy (TEM), including high-resolution transmission electron microscopy (HRTEM), confirmed that the rapidly solidified ribbons consist of α-Mg, γ-Mg17Al12 and…
Abstract The present study focuses on the use of renewable resource, namely karanja oil for the development of polyurethane foams. The non‐edible oil was chemically modified into the diethanolamide by hydroxylation followed by transamidation. The structure of the diethanolamide was confirmed by proton nuclear magnetic…
By targeted deletion of the polyglutamate operon (pga) in Bacillus licheniformis F11, a derivative form, F11.1 (Δpga), was obtained that, along with lacking polyglutamate (PGA) formation, displayed enhanced proteolytic activities. The phenotypic properties were maintained in a strain in which the chiBA operon was addi…
Affinity purification of protein complexes followed by identification using liquid chromatography/mass spectrometry (LC-MS/MS) is a robust method to study the fundamental process of protein interaction. Although affinity isolation reduces the complexity of the sample, fractionation prior to LC-MS/MS analysis is still…
Starch was oxidized with TEMPO for the synthesis of water-soluble copolymers of glucuronic acid and glucose. The carboxylate groups of these copolymers were conjugated with pteroic acid as cell-specific ligand for targeting to cancer cells. Stable spherical nanoparticles (NPs) were formulated mixing aqueous solutions…
Advances in the nanoscale design of polymeric, “soft” materials and of metallic, “hard” materials can converge at the “interfaces” to form hybrid nanomaterials with interesting features. Novel optical, magnetic, electronic, and catalytic properties are conferred by metal nanoparticles, depending on their morphology (s…
A number of simple pair interaction potentials of the carbon dioxide molecule are investigated and found to underestimate the magnitude of the second virial coefficient in the temperature interval 220 K to 448 K by up to 20%. Also the third virial coefficient is underestimated by these models. A rigid, polarizable, th…