Materials Literature
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A procedure for the reconstruction of all-atom protein structures from side-chain center-based low-resolution models is introduced and applied to a set of test proteins with high-resolution X-ray structures. The accuracy of the rebuilt all-atom models is measured by root mean square deviations to the corresponding X-r…
The possibilities offered by hybrid functional materials formed by two molecular networks in the context of crystal engineering are illustrated with two different examples: (i) hybrid magnets constructed from combination of an extended ferromagnetic or ferrimagnetic inorganic network, with a molecular paramagnetic met…
Nanoscale CoPt grains were prepared within protein shells from aqueous reactants. A series of particles with varying Co:Pt ratios was used to explore the transition from superparamagnetic to ferromagnetic behavior at room temperature. TEM and electron diffraction confirmed ordered fct CoPt phases with an average grain…
Boron‐incorporated ZnO film which had a wurtzite structure and showed optical bandgap energy of 3.3 eV was prepared chemically onto a nonconductive substrate by immersing the substrate in an aqueous solution containing a zinc nitrate and dimethylamineborane (DMAB) at 333 K. Effects of the incorporated boron on the str…
Nylon 11 coatings filled with nominal 0–15 vol % of nanosized silica or carbon black were produced using the high velocity oxy-fuel combustion spray process. The scratch and sliding wear resistance, mechanical, and barrier properties of nanocomposite coatings were measured. The effect of powder initial size, filler co…
The effect of a magnetic field on martensitic transformations in Fe–Ni–Co–Ti and Fe3Pt shape memory alloys has been examined in order to know a magnetic field-induced martensitic transformation and a control of crystallographic domain (variant) by magnetic field. Following results were obtained: (i) Magnetoelastic mar…
Mesoporous silica thin films have been produced by sol–gel chemistry in the presence of cetyltrimethylammonium bromide (CTAB) template. The films were deposited on silicon or glass substrates by dip-coating and underwent different treatments to eliminate the CTAB and create porosity. As-prepared and treated coatings e…
Effects of small amounts of Fe doping for Ga site in oxide on oxide ion conductivity is investigated in this study. It is found that doping a small amount of Fe is effective for improving the oxide ion conductivity in (LSGM). The highest oxide ion conductivity was exhibited at x = 0.03 in among the Fe‐doped samples. E…
Mesoporous silica ropes and pillar-within-hollow gyroidal spheres with highly ordered nanostructure have been synthesized through acid and ammonia hydrothermal treatment. Along with hierarchical structures, mesoporous tubules and myelin fingers, such as that shown in the Figure, spontaneously form from the silica rope…
Contributors Preface Part I Topological Models for the Crystalline and Amorphous Phases (a) Description of the Atomic Arrangement in SiO-2 Polymorphs Chapter 1 The Topology of Silica Networks (by L. W. Hobbs, C. E. Jesurum and B. Berger) Chapter 2 Low-Pressure Crystalline Phases of SiO-2 (by G. Dolino) Chapter 3 Theor…
Nature's accomplishments are inspiring chemists to design new materials based on biologically formed organic and inorganic structures that have been optimized over evolutionary timescales. A recent breakthrough in biomimetic materials chemistry has seen the fusion of organic and inorganic chemistry within the channel…
Inorganic crystal engineering is the modelling, synthesis and evaluation of the properties of crystalline materials obtained from inorganic, organometallic and bioinorganic building blocks. This article will take the reader across this interdisciplinary field of research from supramolecular to materials chemistry and…
The protocols in this chapter concern postembedding immunolabeling for transmission electron microscopy; other schedules, such as pre-embedding methods, frozen tissue processes, and procedures for scanning electron microscopy, can be found elsewhere (1). In principle, immunolabeling at the electron microscope (EM) lev…
The compatibilization mechanism of some compatibilizers for blends of polyolefins with a liquid crystalline polymer (LCP) was studied. Polyethylene (PE) and polypropylene (PP) were blended with a semirigid LCP (SBH) in a batch mixer, either with and without compatibilizers. The latter were two commercially available s…
The effective Born charges and ionic displacements in the ferroelectric phase have been used for estimations of relative contributions of different ion sublattices into the value of the spontaneous polarization of ABO3 ferroelectric oxides with perovskite-type structure. The principal difference of PbTiO3 from other p…
The structural modification and phase transition in rare earth (Gd3+ and Ce3+)-doped Pb0.90La0.15TiO3 films, prepared by the sol–gel technique on Pt substrates, were studied utilizing x-ray diffraction and micro-Raman scattering techniques. Lattice parameters calculated from x-ray data indicate an increase in lattice…
Incorporation of SRF and ISAF grades of carbon black and precipitated silica improves the physical properties of the zinc stearate plasticized ionomer, namely, the zinc salt of sulfonated maleated EPDM rubber, which behaves as an ionic thermoplastic elastomer. The reinforcing ability of the fillers follows the order S…
Multi-channel confocal micro-Raman spectroscopy was used to characterize silica-supported PdCl2 powder (PdCl2/SiO2) and Pd–B amorphous alloy catalyst (Pd–B/SiO2) which is formed by reducing PdCl2/SiO2 with KBH4. The results show that PdCl2/SiO2 gives mainly a complicated broad ν(PdCl) bands in the 150–650 cm−1 region…
Resistance to antibiotics is increased in all hospitals, and bacterial pathogens that contaminate burns and wounds are widespread. Their resistance to well-known antibiotics is recorded, and every day resistant isolates are counted and studied. The present study aimed to prepare new polymers with antimicrobial activit…
Binary blends of the sulfonated poly(ether ether ketone) (SPEEK)–poly(ether imide) (PEI) and SPEEK–polycarbonate (PC), and ternary blends of the SPEEK–PEI–PC, were investigated by differential scanning calorimetry. SPEEK was obtained by sulfonation of poly(ether ether ketone) using 95% sulfuric acid. From the thermal…