Materials Literature
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The performance of hot mix asphalt (HMA) greatly depends upon the aggregate shape characteristics, namely angularity, two-dimensional (2D) form, texture and sphericity. This paper presents the effect of plant production and sample preparation methods on the shape characteristics of coarse aggregate (CA) and fine aggre…
Three novel bismuth(III) complexes with in situ synthesized dihydroxybenzoquinone (anilic acid) ligands, namely [Bi(H(3)dhbqdc)(H(2)dhbqdc)]·2.5dmf (1), [Bi(2)(mdhbqdc)(ox)(2)(dmf)(4)] (2) and [Bi(2)(mdhbqdc)(2)(ox)(dmf)(4)] (3) (H(4)dhbqdc = 3,6-dihydroxy-2,5-benzoquinone-1,4-dicarboxylic acid; H(2)mdhbqdc = dimethyl…
Fructose can be efficiently converted to 5-hydroxymethylfurfural by using the functionalized ionic liquid 3-(2-chloroethyl)-1-methylimidazolium chloride as both solvent and catalyst in the presence of water. This work advances the field and is distinct from earlier efforts in the sense that the observed yields of HMF…
A number of popular density functionals are calibrated against high-resolution EPR data for low spin iron-nitrosyls present in nitric oxide bound myoglobin. The model incorporates both electrostatic and steric effects using a combined quantum mechanics/molecular mechanics (QM/MM) approach. Compared to the most recent…
A comprehensive investigation of the solution photophysics of a 5,5'-methylene-bridged polymeric indigo, a statistical copolymer consisting of indigo and N-acetylindigo units, was performed in organic solvents at room temperature and further compared with indigo. A complete spectral and photophysical characterization…
Human tissue-plasminogen activator (t-PA) is a multidomain glycoprotein which holds high biomedical value due to its therapeutic role in clot-specific fibrinolysis. Although atomic-resolution structures of individual domains except Kringle1 are available, no structural information is available on how these domains and…
Applications of metallic nanoparticles are based on their strongly size-dependent optical properties. We present a method for combining optical tweezers with dark field microscopy that allows measurement of localised surface plasmon resonance (LSPR) spectra on single isolated nanoparticles without compromising the str…
The content of this book covers several up-to-date approaches in the heat conduction theory such as inverse heat conduction problems, non-linear and non-classic heat conduction equations, coupled thermal and electromagnetic or mechanical effects and numerical methods for solving heat conduction equations as well. The…
Peroxidase from sycamore fig Ficus sycomorus latex (POLI) was purified by heat treatment, anion exchange chromatography and molecular exclusion chromatography. The purity was determined from high specific activity (9166 units/mg protein), purification fold (28), RZ value 3.1 and a single band in native polyacrylamide…
Abstract A diverse array of experimental techniques was used to compare protein sorption and transport on agarose‐based resins with and without dextran extenders. Van 't Hoff plots indicated similar trends for lysozyme on the resins, with enthalpically dominated sorption. Salt breakthrough curves demonstrated signific…
Abstract As solid lubricants, Polytetrafluoroethylene (PTFE), graphite, and ultra‐high molecular weight polyethylene (UHMWPE) can improve the tribological properties of PA6. The mechanical and the tribological properties of polyamide 6 (PA6) composites filled with solid lubricants were researched. The blended material…
The density and intermolecular structure of water in carbon micropores (w = 1.36 nm) are investigated by small-angle X-ray scattering (SAXS) and X-ray diffraction (XRD) measurements between 20 K and 298 K. The SAXS results suggest that the density of the water in the micropores increased with increasing temperature ov…
We report the synthesis, properties, and field-effect transistor characteristics of biaxially extended thiophene-fused thiophene conjugated copolymers, P4TDTT and P4TTT, consisting of 2′,5″-5,5‴-di(2-ethylhexyl)-[2,3′;5′,2″;4″,2‴] -quaterthiophene and fused thiophene moieties of dithieno[3,2- b:2′,3′- d ]thiophene and…
The syntheses of the complexes [PtCl(2)(NCR)L] [R = Me, Et; L = PPh(3); R = Et, L = Py, CO] and [PtCl{(κ(2)-P,C)P(OC(6)H(4))(OPh)(2)}(NCEt)] are described starting from the easily available [PtCl(2)(NCR)(2)]. The stability of the products under different experimental conditions is discussed as well as their use as pre…
Joining the stable: The first examples of the highly instable selenenyl fluorides RSeF are prepared from the reaction on the tin selenide RSeSnMe(3) with XeF(2). Through the use of extremely large protecting groups (m-terphenyl ligands) which stabilizes the RSeF units against disproportionation, the compounds could be…
This paper describes the electro-optic response of a suspension of disk-like colloids. We have considered aqueous suspensions of Gibbsite platelets and measured the electrically induced birefringence in the broad frequency range 10(2)-10(8) Hz. When simply dispersed in an electrolyte solution, these particles orient w…
We present the formation, under ultrahigh vacuum conditions, of a three-dimensional organic architecture on a Au(111) surface based on the NH 2 –COOH interaction. The surface is first functionalized with a self-assembled monolayer (SAM) of an amine-terminated molecule (cysteamine, CA); then, a layer of benzoic acid (B…
The ground states of the two-dimensional repulsive Hubbard model are studied within the unrestricted Hartree-Fock (UHF) theory. Magnetic and charge properties are determined by systematic, large-scale, exact numerical calculations, and quantified as a function of electron doping, h. In the solution of the self-consist…
The effect of various concentrations (3, 9, 27, 81, and 243 mg/kg) of tungsten (W) on growth performance, biochemical constituents and tungsten and molybdenum (Mo) contents in wheat was observed. Lower doses (up to 9 mg/kg) of tungsten showed promotory effects whereas higher doses retarded. An increment in growth, bio…
The effect of the rutile content on the photovoltaic performance of dye-sensitized solar cells (DSSCs) composed of mixed-phase TiO(2) photoelectrode has been investigated. The mixed-phase TiO(2) particles with varied amounts of rutile, relative to anatase phase, are synthesized by an in situ method where the concentra…