Materials Literature
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A localised corona charging method is presented to produce a micro sized electret array through a shadow mask. It solves low charging efficiency and fast charge decay problems in the micro sized electrets charged by the conventional charging method. The enhancement in the properties of electret is realised by decreasi…
To date, carbon and nitrogen co-doped photocatalysts (CN- $TiO_2$ ) for environmental application focused mainly on the aqueous phase to investigate the decomposition of water pollutants. Accordingly, the present study explored the photocatalytic performance of CN- $TiO_2$ photocatalysts for the purification of indoor…
폐기되는 홍어껍질을 기능성 식품원으로 재이용하고자 홍어껍질 물 추출물의 추출특성과 세 종류의 식용유에 대한 산화억제 효과를 측정하였으며, 추출 콜라겐의 겔화를 위한 최적조건 및 겔화제 선정, 겔의 저장성, 강도와 관능평가를 실시하였다. $50^{\circ}C$ 추출물의 방향족화합물 함량과 페놀성 화합물 함량은 $25^{\circ}C$ 추출물에 비하여 각각 49.4%와 32.7% 높았으며, $50^{\circ}C$ 추출물의 환원력은 $25^{\circ}C$ 추출물 보다 52.74% 높았으나 ascorbic acid의 14.9%, BHT의 27.8%였다. 추출물의 전자…
Organic solar cells hold the potential of low-cost production as compared to inorganic solar cells, as well as the increase in efficiency. To realize these possibilities, the key is to fabricate most of the functional films in requisite structures via ambient solution-processed techniques. The PEDOT: PSS films, which…
Biomaterial science provides a platform for the development of bio-artificial implants. Growth or development of engineered tissues for the purpose of repairing, restoring and enhancing the function of a damaged tissue or organ needs designed biomaterials. The most studied tissue engineering strategy consists on using…
The aim of the present study was to observe the effects of gene‑activated matrix (GAM) on autograft healing of the anterior cruciate ligament. Forty‑eight rabbits were randomly divided into groups A and B. Rabbits were used to construct models of anterior cruciate ligament reconstruction. In group A, transforming grow…
Realizou-se uma pesquisa em duas bases de dados no período de 1992-2012, a qual teve como objetivo de busca o uso do ensaio de letalidade com Artemia salina em artigos científicos. Observou-se a frequência e a especificidade da área das publicações. Foram encontrados artigos em diversas categorias como química medicin…
Cu3V2O7(OH)2·2H2O hollow spheres and sponge-like hollow structures were successfully synthesised via a liquid precipitation method with polystyrene spheres as the template. The influence of morphology on electrochemical performances of the products was investigated. Electrochemical measurements reveal that the as-prep…
A new 1-D MnII chain, [Mn(μ 1,3-N3)(phenCl)2]n (ClO4)n (phenCl = 2-chloro-1,10-phenanthroline), was synthesized with single μ 1,3-azido as bridge and 2-chloro-1,10-phenanthroline as coligand, and its crystal structure determined by X-ray crystallography. In the complex, MnII is located in a distorted octahedral geomet…
In this note we deal with the approximate solution of the buckling problem of a clamped-free double-walled carbon nanotube. First the finite difference method is utilized to solve this case. Then this approach is verified by solving the buckling problem of a double-walled carbon nanotube that is simply supported at bo…
We report both experimental and theoretical investigations of the physical properties of Ba${}_{2}$Mn${}_{2}$Sb${}_{2}$O single crystals. This material exhibits a hexagonal structure with lattice constants $a=4.7029(15)$ \AA{} and $c=19.9401(27)$ \AA{}, as obtained from powder x-ray diffraction measurements, and in ag…
The atomic layer deposition of titanium oxide TiO 2 on ruthenium and oxidized ruthenium with titanium methoxide as metal precursor and H 2 O and O 3 as oxidant was investigated by Rutherford backscattering (RBS) and time of flight secondary ion mass spectrometry (TOFSIMS). An ultra-thin layer of TiO 2 deposited a prio…
A facile method for the low-cost and large-scale production of ultralong Ag(2)S (or Ag(2)Se)-ZnSe quantum wires has been developed. ZnSe quantum wires (diameter≈4 nm) with high uniformity in their crystal structure and diameter can be synthesized by using a catalyst-assisted growth approach with Ag(2)S nanoparticles a…
Due to their unique combination of properties, Si-based ceramics, such as silicon carbide (SiC), silicon nitride (Si 3 N
An effective deep oxidative desulfurization process, catalyzed by Na2WO4 and ionic liquid, was developed for real diesel prehydrotreated. A lower amount of ionic liquid was used, while good catalytic oxidation activity could be obtained under mild conditions. The sulfur content in the real diesel can decrease from the…
Highly porous silicon carbide (SiC) ceramics were fabricated from polysiloxane, SiC and carbon black fillers, AlN-Y 2 O 3 additives, and poly (ether-co-octene) (PEOc) and expandable microsphere templates.Powder mixtures with a fixed PEOc content (30 wt%) and varying SiC filler contents from 0-21 wt% were compression-m…
An anthracene molecule substituted at the central ring by two aniline moieties able to rotate about the C-N bonds can be considered to be a prototype molecular rotor. Electron attachment into the lowest empty orbitals of this molecule leads to formation of long-lived (microseconds) negative ions. Elimination of a hydr…
Co-deposition of ceramic particles to enhance properties of electroplated films is difficult to control due to problems involved in dispersing the particles. In this study, co-deposition of 1 μm SiC particles with nickel from a Watts bath in the presence of a cationic polymer, polyethyleneimine (PEI) as dispersant was…
There are several barriers to the application of dendriplexes formed by poly(propylene imine) dendrimers and genetic material for gene therapy. One limitation is their interaction with extracellular matrix components such as glucosaminoglycans. These can displace the genetic material from the dendriplexes, affecting t…
Topological insulator is composed of an insulating bulk state and time reversal symmetry protected two-dimensional surface states. One of the characteristics of the surface states is the locking between electron momentum and spin orientation. Here, we report a novel in-plane anisotropic magnetoresistance in topologica…