Materials Literature
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Novel plant-derived, adhesive polymers have been investigated from natural sources as 3,4-dihydroxycinnamic acid (caffeic acid; DHCA) and 4-hydroxycinnamic acid (p-coumaric acid; 4HCA) modified by transesterification. These copolymers were found to show strong adhesive characteristics to metal surfaces, which were equ…
We investigate the physicochemical properties of a novel imidazolium benzospiropyran derivative, SP(Im), in imidazolium based ionic liquids (ILs). SP(Im) was prepared through alkylation of an imidazole to the photoswitchable compound and this derivative was characterised in imidazolium based ILs with increasing chain…
The aim of this study was the determination of the effects of dyeing, knit construction and the thread yarn production type on the abrasion resistance and pilling performance of selected basic weft knitted fabrics. For this aim jersey and interlock fabrics were produced from 100% cotton ring and compact yarns. Some of…
The preparation of zinc phthalocyanine derivatives peripherally substituted with 2-mercapto-4-methyl-5-thiazoleacetic acid is reported for the first time in this study. In order to determine the potential of these water soluble complexes as photosensitizers for use in photodynamic therapy, photophysical and photochemi…
The glass transition is perhaps the greatest unsolved problem in condensed matter physics: the main question is how to reconcile the liquid-like structure with solid-like mechanical properties. In solids, structure and mechanics are related directly through the vibrational density of states of the material. Here, we o…
Porous ceramics based on refractory double oxides are promising for the next-generation diesel particulate filter (DPF) materials. Similarly to aluminum titanate (Al2TiO5), MgTi2O5 has a pseudobrookite-type crystal structure with low thermal expansion coefficients among oxides. Since MgTi2O5 has higher stability of ps…
Well faceted CuI, truncated tetrahedral nanocrystals, were fabricated by an ascorbic acid-assisted green strategy at room temperature in a short period of time. A possible growth mechanism of such highly faceted nanostructures based on typical biomolecule-crystal interactions in aqueous solution is tentatively propose…
Thermal boundary resistance dominates the thermal resistance in nanosystems since material length scales are comparable to material mean free paths. The primary scattering mechanism in nanosystems is interface scattering, and the structure and composition around these interfaces can affect scattering rates and, theref…
Abstract Starch consolidation casting (SCC) is a versatile and well established process for shaping ceramic green bodies by casting starch‐containing suspensions into impermeable molds. The process is based on the ability of starch to swell and absorb water from aqueous ceramic suspensions after heating to approx. 80°…
Three isostructural heterobimetallic nitrilotriacetatoperoxotitanate complexes of general formula [M(H(2)O)(5)](2)[Ti(2)(O(2))(2)O(nta)(2)].7H(2)O [M = Co (1), Ni (2) and Zn (3)] have been isolated in pure crystals directly from the quaternary system of M(2+)-Ti(OC(4)H(9))(4)-H(2)O(2)-H(3)nta (H(3)nta = nitrilotriacet…
In this study composites of high density polyethylene (HDPE) with various SiO2 content were prepared by melt compounding using maleic anhydride grafted polyethylene (PE-g-MAH) as a compatibilizer. The composites containing 2, 4 and 6% by weight of SiO2 particles were melt-blended in a co-rotating twin screw extruder.…
Alloys of iron and gallium were electroplated to produce magnetostrictive Galfenol Fe 1 − x Ga x ( 10 < x < 40 atom % ) thin films. A trapezoidal Hull cell was used to control composition via a combinatorial approach where the deposition current density was varied predictably across the cathode. Four parameter spaces…
This review article describes our neutron scattering experiments made in the past four years for the understanding of the single-particle (hydrogen atom) dynamics of a protein and its hydration water and the strong coupling between them. We found that the key to this strong coupling is the existence of a fragile-to-st…
A highly fluorescent conjugated oligomer, oligo(1-methoxyl pyrene) (OMOPr), was synthesized via electrochemical polymerization and its structure was studied by UV-vis spectroscopy, MALDI-TOF mass spectroscopy and ab initio calculation. The organic solutions of OMOPr emit strong blue lights and show solvatochromic effe…
Red emission phosphors were synthesized by solid-state reaction, and their photoluminescence properties were investigated for the first time. The results indicate that phosphors have many advantages, such as lower synthesis temperature, strong absorption in the near-UV region, and excellent chromaticity coordinates. p…
A photochromic naphthopyran system in which both optical density and fading speed of colored forms are significantly increased has been described. 3-Aryl-3-(α-naphthalene)-3H-naphtho[2,1-b]pyrans showed thermal stability, and a large optical density of colored forms was obtained at ambient temperature. By attachment o…
Boron nitride (BN) nanosheets/polysiloxane composites were fabricated under nano pulse width electric field to enhance the anisotropic alignment of BN nanosheets in a viscous matrix. BN nanosheets have unique physical and thermal properties and exhibit semiconducting behavior with a wide band gap comparing to carbon g…
Electrospinning was used to fabricate fibrous scaffolds of lipase-catalyzed poly(omega-pentadecalactone) (PPDL). The slow resorbability of this biomaterial is expected to be valuable for tissue-engineering applications requiring long healing times. The effect of solvent systems and instrumental parameters on fiber mor…
(Ba1−xCax)m(Ti1−yZry)O3 (BCTZ-x-y-m) ceramics were studied to clarify the effects of Ca and/or Zr addition and the non-stoichiometry of BCTZ ceramics. The range of each element was 0.00 ≦ x, y ≦ 0.25 and 0.995 ≦ m ≦ 1.02. All powders were prepared by a solid state reaction method. Green bodies with disc shapes were si…
The rational design of new heterogeneous catalysts for clean chemical technologies can be accelerated by molecular level insight into surface chemical processes. In situ methodologies, able to provide time-resolved and/or pressure dependent information on the evolution of reacting adsorbed layers over catalytically re…