Materials Literature
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We describe liquid crystal metamaterials (LCMMs), representing a composite of a uniaxial nematic liquid crystal as a dispersion medium and solid (metal) nanorods as a dispersed component. The purpose of the metal component is to vary the effective refractive indices and the resulting birefringence. By spatially distor…
Measurement of fluorescence quantum yield has become an important tool in the search for new solutions in the development, evaluation, quality control and research of illumination, AV equipment, organic EL material, films, filters and fluorescent probes for bio-industry. Quantum yield is calculated as the ratio of the…
Cell migration plays important roles in natural processes involving embryonic development, inflammation, wound healing, cancer metastasis and angiogenesis. Cell migration on various biomaterials is also believed to improve the rate of wound healing and implant therapies in the tissue-engineering field. This study meas…
Abstract Biodegradable polymers of poly(lactic acid) (PLLA) and synthesized in‐house poly(trimethylene carbonate) (PTMC) with admixture of water‐soluble methyl cellulose (MC) were used for development of nerve guidance tubes for peripheral nervous system regeneration after injury. Fabrication method involved phase sep…
In this study, a porous oxide layer was formed on the surface of 316L stainless steel (SS) by combining Ti magnetron sputtering and plasma electrolytic oxidation (PEO) with the aim to produce a polymer-free drug carrier for drug eluting stent (DES) applications. The oxidation was performed galvanostatically in Na3PO4…
The magnesium silicate system is an important geophysical analogue and neutron diffraction data from glasses formed in this system may also provide an initial framework for understanding the structure-dependent properties of related liquids that are important during planetary formation. Neutron diffraction data collec…
The recognition of proline-rich sequences by protein-protein interaction modules is essential for many cellular processes. Nonetheless, in spite of the wealth of structural and functional information collected over the last two decades, polyproline recognition is still not well understood. The patent inconsistency bet…
Uniform tunnel pits are fabricated with equally spaced intervals while avoiding excessive dissolution of an aluminum surface with a polyimide material as a mask layer. To increase the area S of capacitance C, uniform tunnel pits are made selectively to increase the aluminum surface area S into the vertical direction o…
We explore the response of a uniaxial nematic liquid crystal with a negative dielectric anisotropy to the electric field applied normally to the director. The geometry causes two effects: field-induced biaxiality order (FIBO) and differential quenching of uniaxial fluctuations (DQUF). We separate the two effects by tr…
Magnetostriction was investigated for layered A-type antiferromagnetic SmMnO${}_{3}$ showing large magnetocapacitive effects around a temperature (${T}_{\mathit{TP}}$) where ferrimagnetically coupled Mn 3$d$ and Sm 4$f$ moments were reversed simultaneously. Upon sweeping temperature or a magnetic field, a significant…
Abstract Nanocomposite particles of poly(chlorotrifluoroethylene‐co‐ethylvinyl ether) [poly(CTFE‐co‐EVE)]/poly(styrene acrylate) (PSA)/SiO2 were prepared with poly(CTFE‐co‐EVE)/PSA [CS(FS); core–shell (CS) fluoro surfactant (FS)] and hydrophilic SiO2 nanoparticles by a solution mixing method. This method yielded a hom…
Ce-doped ZnO nanorod arrays were grown on zinc foils by a hydrothermal method at 180°C. The effects of Ce-doping on the structure and optical properties of ZnO nanorods were investigated in detail. The characterisation of the rod array with X-ray diffraction and X-ray photoelectron spectroscopy indicated that Ce3+ ion…
Experimental and theoretical studies of the chiral liquid crystal (CLC) director distribution in a wedge shape cell with a weak surface anchoring as well in a planar layer with a gradient of the pitch are performed. The theory predicts that the director distribution in individual Cano-Grandjean zones as well in narrow…
Six novel 2-(benzylcarbamoyl)phenyl derivatives were synthesized and characterized by (1) H-NMR, mass spectrometry, infrared spectra and elemental analysis. Their europium complexes were prepared and characterized by elemental analysis, EDTA titrimetric analysis, IR and UV spectra as well as molar conductivity measure…
There have been many studies of ferromagnetism in ZnCoO, and the results have been controversial. Secondary phases, such as Co oxides and Co metal clusters, in ZnCoO are easily produced during treatment, but the formation conditions are not well understood. We fabricated samples under hydrogen-injection conditions at…
Purpose The purpose of this paper is to present an introductory overview of graphene, its properties and potential for use in interconnection applications. Design/methodology/approach This short paper has been written to provide those working on interconnect applications in the PCB and semiconductor sectors with an in…
Soluble eggshell membrane protein (SEP), isolated from natural eggshell membrane, was co-electrospun with biodegradable synthetic polymers poly(propylene carbonate) (PPC) and poly(lactic acid) (PLA) in various proportions from 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) solutions in order to prepare fibrous scaffolds hav…
Vascular regeneration in the area of small diameter (<6 mm) vessels via the tissue-engineering approach has been in focus for some time now. In this study, we report the development and evaluation of a tissue-engineered medial equivalent using gelatin-g-vinyl acetate co-polymer (GeVAc) as the scaffold material. GeVAc…
Abstract The search for mimicking natural living and non‐living systems with synthetic products leads to the fabrication of advanced colloidal morphologies with hierarchical micro‐ and nanostructures. Different chemical routes toward the synthesis of colloids with complex morphologies are presented and a tentative ana…
This paper addresses the residual stress in the microarc oxidation (MAO) coating on AZ31 magnesium alloy. The MAO coating was deposited by pulsed direct current (dc) and examined by scanning electron microscopy and X-ray diffraction for its microstructure and composition. The porosity of the coatings was measured by p…