Materials Literature
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An environmentally benign approach to surface modification was developed to impart copper surface with enhanced resistance to corrosion, bacterial adhesion and biocorrosion. Oxidative graft polymerization of 2,2'-bithiophene from the copper surface with self-assembled 2,2'-bithiophene monolayer, and subsequent reducti…
PEGylated nanoparticles and macromolecules are increasingly used in cancer imaging and anticancer treatment. The role of receptor-mediated endocytosis in the efficacy of these agents, however, has not been clearly defined. Here, we developed a matched pair of endocytic and nonendocytic receptors to directly and unambi…
Abstract Melt blending of linear low density polyethylene (LLDPE) and polylactide (PLA) was performed in an extrusion mixer with post extrusion blown film attachment with and without compatibilizer‐grafted low density polyethylene maleic anhydride. The blend compositions were optimized for tensile properties as per AS…
The mixed ionic-electronic conducting (MIEC) materials that have been developed for catalytic membrane reactors are vulnerable to a reducing atmosphere, especially H 2 . We reported on a MIEC oxide, Sr 0.7 Ba 0.3 Fe 0.9 Mo 0.1 O 3−δ (SBFM), with a cubic perovskite structure ( a = 3.91 Å at room temperature). SBFM can…
Chiral ionic liquid monolayer-stabilized gold nanoparticles were synthesized in a two-phase liquid-liquid system and found to self-assemble into ringlike structures at the air/water interface. Control experiments with long-chain ILs revealed that the molecular structure of the CIL significantly affects the formation o…
Capping agents stabilise the size of the nanoparticles in the range of 1-10 nm. Microbial surfactants as capping agents are beneficial replacements for chemically synthesised ones because of lower toxicity. Rhamnolipids are surfactants produced by Pseudomonas aeruginosa, having high affinity for metal ions. In this st…
In this study, we implement first-principles calculation to study the physical and chemical properties of two-dimensional (2D) hexagonal crystals. The ab initio results of the crystallographic, elastic, and electronic band-gap parameters of C, Si, Ge, BN, CN, SiN, and SiC monolayers are presented. Similarly to graphen…
Cellulose nanofibres are environmentally benign and have unique features compared to macro scales. Nowadays, many efforts have been made in developing potential composite products with improved properties. However, the manufacturing of nanocomposites with natural fibres has been a challenging task due to the difficult…
Abstract Differential scanning calorimetry, thermogravimetric analysis, X‐ray diffraction, and ultraviolet–visible spectroscopy of gelatin and poly(vinyl alcohol) (PVA) homopolymers and their blended samples were studied. The data revealed that the gelatin and PVA polymers were compatible over the investigated range o…
Well-defined diblock copolymers comprising thermosensitive poly( N -isopropyl acrylamide) (PNIPAM) and poly( n- butylacrylate) (PBA) blocks were synthesized by macromolecular design by interchange of xanthates (MADIX)/reversible addition−fragmentation chain transfer polymerization (RAFT) using a xanthate-type mediatin…
First-principles molecular dynamics simulations show that water (8.25 wt%) dramatically affects the transport properties of SiO2 liquid increasing the diffusivity and decreasing the viscosity by an order of magnitude. At 3000 K, the diffusivity of Si, O, and H, and the viscosity vary anomalously with pressure. Highly…
A series of free-base and metalated isocorroles represented as (TT-n-iso-Cor)H(2) and (TT-n-iso-Cor)M(II), where n = 5 or 10 and M = Ni or Cu, were synthesized and characterized by electrochemistry and spectroelectrochemistry in CH(2)Cl(2) containing 0.1 M tetra-n-butylammonium perchlorate. The metalation of the free-…
Using cell dynamics computer simulation, we perform a systematic study of thin block copolymer films around a nanoparticle. Lamellar-, cylinder-, and sphere-forming block copolymers are investigated with respect to different film thicknesses, particle radii, and boundary conditions at the film interfaces. The obtained…
BACKGROUND: The antifungal properties of chitosan and acibenzolar-S-methyl were evaluated to assess their potential for protecting grapes against Botrytis cinerea Pers.: Fr. isolated from Vitis vinifera L. The objectives were to determine the effects of these compounds on the in vitro development of B. cinerea and to…
Abstract The dispersion and stability of carbon nanotubes (CNTs) inside a polymer matrix, especially with a high CNT content, are still big challenges. Moreover, the interaction between CNTs and the polymer matrix should be strong enough to improve the mechanical properties. The efficient dispersion of CNTs is essenti…
Visible light-driven photocatalysis of Au25-modified TiO2 was investigated. It induces oxidation of phenol derivates and ferrocyanide and reduction of Ag+, Cu2+ and dissolved oxygen. Thermodynamically uphill reactions such as oxidation of phenol accompanied by reduction of Cu2+ are also driven. The photocatalysis, whi…
We studied the field dependencies of specific heat coefficient $\ensuremath{\gamma}(H)=\underset{T\ensuremath{\rightarrow}0}{lim}C(T,H)/T$ and thermal conductivity coefficient $\underset{T\ensuremath{\rightarrow}0}{lim}\ensuremath{\kappa}(T,H)/T$ of the $\ifmmode\pm\else\textpm\fi{}s$-wave state in the mixed state.…
A phase diagram was constructed for a polystyrene-block-polyisoprene (PS-b-PI, M(W) = 32 700, f(PI) = 0.670) in thin films on Si wafer as a function of film thickness over the range of 150-2410 nm (7-107L(0) (L(0): domain spacing)). The PS-b-PI exhibits a variety of ordered phases from hexagonally perforated lamellar…
Abstract In this study, nanosized clay particles were introduced into wood fiber/plastic composites (WPCs) to improve their mechanical properties and flame retardancy, which are especially important in various automotive and construction applications. A high degree of exfoliation for nanoclay in the wood fiber/high de…
We probe the rheology of the model liquid octamethylcyclotetrasiloxane (OMCTS) confined into molecularly thin films, using a unique surface force apparatus allowing us to explore a large range of shear rates and confinement. We thus show that OMCTS under increasing confinement exhibits the viscosity enhancement and th…