Materials Literature
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Poly(hydroxyalkanoate)s (PHAs) are a class of microbially synthesized polyesters that combine biological properties, such as biocompatibility and biodegradability, and non-bioproperties such as thermoprocessability, piezoelectricity, and nonlinear optical activity. PHA monomer structures and their contents strongly af…
This letter reports a strong yellow emission of Y3Al5O12:Ce3+ (YAG:Ce) mixed with ZnS:Ag,Cl under electron excitation. The penetration depths of electron of 1keV and photon of 2.7eV in YAG:Ce were estimated to be approximately 1450Å and 4.65mm, respectively. Deeper penetration of blue light from ZnS:Ag,Cl helps to exc…
Mg-metal hydride systems are potential hydrogen storage media and might be used in hydrogen switchable mirrors. However, absorption kinetics are too slow even with appropriate catalysts. The authors demonstrate the enhancement of the formation of MgH2 by an electric current, thus enabling the hydrogenation of Mg witho…
The authors report on resonant energy transfer of nonequilibrium excitons in an amorphous polyfluorene donor CdSe∕ZnS core-shell nanocrystal acceptor system. By time-resolved photoluminescence (PL) spectroscopy, they have investigated the PL decay behavior of the primarily excited polyfluorene in dependence of the con…
Fluidic aligned submicrometer patterns of acid-treated carbon nanotubes (CNTs) on polydimethysiloxane (PDMS) were transfer printed onto nonflat patterned Au electrodes modified with a self-assembled monolayer (SAM) of 11-amino-1-undecanethiol. The CNT bundles can be transferred in a few seconds at ambient temperature…
As model compounds for nanosize carbon clusters, the phonon dispersion curves of polyacene are constructed based on density functional theory calculations for [n]oligoacenes (n=2-5, 10, and 15). Complete vibrational assignments are given for the observed Fourier-transform infrared and Raman spectra of [n]oligoacenes (…
We consider the possibility of a complete real-time analysis of the polarization state of light using two types of polarization-holographic grating that decompose the light analyzed into orthogonal circular and orthogonal linear bases. It is shown that it is possible to determine the ellipticity, the direction of rota…
Marine-derived collagen is expected to be a much safer alternative to calf collagen, which in medical applications carries the risk of bovine spongiform encephalopathy. In this study, acid-soluble collagen was extracted from salmon skin and crosslinked with 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide during fibril…
Silicon carbide nanotubes have a great potential for biological applications. It is of interest to explore the electronic properties of these nanotubes, and how those are modified in the presence of impurities. Hydrogen is a common impurity that can appear during the growth of silicon carbide nanotubes or in the envir…
A series of Zn-doped CuAlS2 bulk samples was synthesized by spark plasma sintering, and the CuAl0.90Zn0.10S2 film was prepared on a glass substrate by channel spark ablation. Their electrical and optical properties were carefully investigated. A sharp increase in conductivity due to the enhancement of both Hall mobili…
Investigations of the structures and electronic properties of neat single crystals of the organic metals $\ensuremath{\Theta}\text{\ensuremath{-}}{(\mathrm{BEDT}\text{\ensuremath{-}}\mathrm{TTF})}_{2}{\mathrm{I}}_{3}$ and ${\ensuremath{\Theta}}_{\mathrm{T}}\text{\ensuremath{-}}{(\mathrm{BEDT}\text{\ensuremath{-}}\math…
AHL1 (AT-hook Motif and Nucleus Localized protein 1) is a protein localizing at the nuclear matrix and originally identified in Arabidopsis thaliana by using a random GFP-cDNA fusion method.1 A. thaliana AHL1 (AtAHL1) consists of an AT-hook motif and PPC domain (Plants and Prokaryotes Conserved domain). It was reveale…
Lecithin was, for the first time, blended with PLLA to prepare scaffold material for tissue engineering applications in the present study. Solution blending was used to incorporate Lecithin (containing 0-10 wt %) with PLLA to enhance the blend films biocompatibility, hydrophilicity and toughness while maintaining mech…
Ferroelectric epitaxial superlattices combining PbZr0.4Ti0.6O3 and PbZr0.6Ti0.4O3 ultrathin films were grown by pulsed laser deposition onto vicinal SrTiO3 (001) substrates. The superlattices were subjected to structural characterization by means of (high-resolution) transmission electron microscopy and x-ray diffract…
This study analyzes the adhesion behavior of the gram positive bacteria, Staphylococcus aureus (S. aureus), and the gram negative bacteria, Escherichia coli (E. coli), on polypyrrole (PPY) surfaces in the presence of poly(ethylene glycol) methacrylate (PEGMA) chains and plasma proteins (bovine serum albumin and bovine…
High-quality Er:ZnO films were grown by the pulsed-laser deposition technique at high temperature followed by in situ annealing. The films demonstrate remarkable crystalline quality and array of self-assembled grains. Although the films show very low electrical resistivity (∼6.41×10−4Ωcm) at room temperature, a semico…
Anomalous Hall effect (AHE) of a ferromagnetic semiconductor anatase Ti1−xCoxO2−δ thin film is studied from 10to300K. Magnetic field dependence of anomalous Hall resistance is coincident with that of magnetization, while the anomalous Hall resistance decreases at low temperature in spite of nearly temperature-independ…
Pseudomonas putida KT2442 could accumulate medium-chain-length poly(hydroxyalkanoate)s (PHA) consisting of 3-hydroxyhexanoate, 3-hydroxyoctanoate, 3-hydroxydecanoate, and 3-hydroxydodecanoate from a wide range of carbon sources. In this study, the PHA synthase pha operon (phaC1-phaZ-phaC2) was knocked out and the vgb…
Hyaluronic acid (HA) plays a vital role in many tissues, influencing water content and mechanical function, and has been shown to have positive biological effects on cell behavior in vitro. To begin to determine whether these benefits can be accessed if HA is incorporated into collagen-based scaffolds for tissue engin…
Stainless steel and titanium alloys are the most common metallic orthopedic materials. Recently, nickel-titanium (NiTi) shape memory alloys have attracted much attention due to their shape memory effect and super-elasticity. However, this alloy consists of equal amounts of nickel and titanium, and nickel is a well kno…