Materials Literature
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Abstract The paper discusses the methods of modification of melt-blown polymer materials by the addition of a bactericidal agent or superabsorbent directly to the fibre-forming area during the melt-blown production process. It also presents tests of textile composites designed for use in selected types of personal pro…
Reaction‐bonded B 4 C ( RBBC ) was fabricated through molten Si infiltrating porous B 4 C preforms. A preform with a 75% relative green density was obtained by mixing two different sized B 4 C powders. Carbon black added to the preform slightly reduces average pore size, but increases porosity. RBBC ceramics showed a…
Abstract The heteronuclear d‐f coordination complexes [Er2Zn2(C6H5COO)10(phen)2] (1), [Ho2Zn2(C6H5COO)10(phen)2] (2), [Pr3Zn6(C6H5COO)21(phen)3] (3), [ErCd(C6H5COO)5(phen)·H2O] (4), [Ho2Cd3(C6H5COO)12(phen)2] (5), [EuCd2(C6H5COO)7(phen)2] (6) (C6H5COOH = benzoic acid;phen = 1,10‐phenanthroline) were synthesized by hyd…
The coupling of the localized surface plasmon resonance of Au nanoparticles is utilized to deliver a visible-light stimulus to control conduction at the LaAlO3 /SrTiO3 interface. A giant photoresponse and the controllable metal-insulator transition are characterized at this heterointerface. This study paves a new rout…
Two novel two-dimensional (2D) carbon allotropes named C(y) and C(z) with large meshes are predicted based on first-principles calculations. Their formation energies are lower than that of graphdiyne, which was recently synthesized in an experiment. Molecular dynamics simulations indicate that C(y) and C(z) are stable…
Thermoplastic elastomers (TPEs), commonly known as thermoplastic rubbers, are a category of copolymers having thermoplastic and elastomeric characteristics. A TPE is a rubbery material with properties very close to those of conventional vulcanized rubber at normal conditions. It can be processed in a molten state even…
In the last decades, organic azides haven proven to be very useful precursors in organic chemistry, for example in 1,3-dipolar cycloaddition reactions (click-chemistry). Likewise, azides can be introduced into graphene oxide with an almost intact carbon framework, namely oxo-functionalized graphene (oxo-G₁), which is…
ABSTRACT Micrometer‐sized superparamagnetic poly(styrene–glycidyl methacrylate)/Fe3O4 spheres were synthesized by two‐stage dispersion polymerization with modified hydrophobic Fe3O4 nanoparticles, styrene (St), and glycidyl methacrylate (GMA). The morphology and properties of the magnetic Fe3O4–P (St‐GMA) microspheres…
Limbah tulang ikan nila merah yang mengandung kolagen dapat dimanfaatkan dalam pembuatan gelatin. Tujuan penelitian ini untuk mengetahui pengaruh lamanya waktu perendaman tulang dalam asam terhadap pembentukan rendemen gelatin yang dihasilkan. Gelatin ini termasuk ke dalam golongan tipe A karena menggunakan asam sebag…
The study of crystal structures in shape memory alloys is of fundamental importance for understanding the shape memory effect. In order to investigate the mechanism of how Cu content affects martensite crystal structures of TiNiCu alloys, the present research examines the atomic displacement of Ti50Ni50−xCux (x = 0, 5…
This article deals with the investigation of electrical and mechanical properties of styrene–butadiene–styrene tri-block copolymer (SBS) nanocomposites containing SBS-grafted graphene oxide (SBS- g-GO) nanofillers dispersed in the SBS matrix through a solution processing method. In order to improve the compatibility o…
Graphene is a single layer of carbon atoms arranged in a honeycomb lattice with remarkable mechanical and electrical properties. Regarded as the thinnest and narrowest conductive mesh, it has drastically different transmission behaviours when bombarded with electrons and ions in vacuum. This property, if confirmed in…
Abstract Single-layered warp knitted fabrics were produced by the 60D/36F (containing 36 filaments) polyester yarn with differential shrinkage (DS) property in this study. Due to the differential shrinkage property, the fabric becomes curly and bulkier, simulating cotton fabric in terms of its appearance and fabric ha…
This study explores the relationships between environmental factors and the distribution of epilithic diatoms in 161 estuaries of three coastal areas on the Korean peninsula. We investigated epilithic diatoms, water quality, and land use in the vicinities of the estuaries during the months of May 2012, 2013 and 2014,…
Abstract Strong interchain interactions render unsubstituted polythiophene un‐fusible, non‐melting, and insoluble. Therefore, control of the packing structure, which has a profound effect on the optical and electronic properties of the polymer, has never been achieved. Unsubstituted polythiophene was prepared in the o…
The isobaric heat capacities, Cp,m°, for BaMoO4 at 2–300 K were measured by the relaxation method. The third law entropy, Sm°, was determined via the Debye-Einstein function into which the Debye temperature, ΘD, as physico-chemical constant and a thermal expansion term were incorporated. ΘD was determined from Cp,m° a…
Polyimide/silica (PI/silica) nanocomposite films were successfully prepared via in situ dispersive polymerisation and thermal imidisation. In order to obtain homogeneous nanoscale dispersibility and good compatibility with the PI matrix, hydrophobic aerosil was selected as the nanosilica precursor. 4,4-Bis(3-aminophen…
We have investigated the cytotoxic assay of Fe-aminoclay (FeAC) nanoparticles (NPs) and simultaneous imaging in HeLa cells by photoluminescent carbon nanodots (CD) conjugation. Non-cytotoxic, photostable, and CD NPs are conjugated with cationic FeAC NPs where CD NPs play a role in bio-imaging and FeAC NPs act as a sub…
Based on first principle calculations, a graphene monolayer shows a complicated deformation behavior under uniaxial tension. The maximum stress of graphene is reached when the bond stretching ratio is far less than its breaking value, which means that graphene shows the typical "ductile-like" behavior but not the conv…
AIM: Layered double hydroxide nanoparticles (LDH NPs) are promising for stem cell research and applications. In this study, we investigated the size-dependent interactions of LDH NPs with mouse embryonic stem cells (mESCs). MATERIALS & METHODS: LDH NPs with diameters of 100 and 50 nm were synthesized and characterized…