Materials Literature
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Adipose tissue engineering, instead of tissue substitution, often uses autologous adipose tissue-derived stem cells (hASC). These cells are known to improve graft integration and to support neovascularization of scaffolds when seeded onto biomaterials. In this study we thought to engineer adipose tissue using scaffold…
The surface excitation parameter (SEP) is calculated for five carbon allotropes: amorphous carbon, graphite, glassy carbon, C 60 ‐fullerite and diamond for electron energies between 300 eV and 3400 eV, and for angles between 0 ° and 60 ° to the surface normal. SEP, defined as the change in excitation probability, for…
Superelastic shape memory alloy materials have become increasingly prevalent for recentering devices that have the ability to recover their plastic deformation automatically. For this reason, this study proposed new clip-angle connections incorporating superelastic shape memory alloy bolts. Including component spring…
The effects of T5 and T6 heat treatments on the microstructure and mechanical properties of extruded Mg–6Zn–1M n alloy were investigated in the present study. The results showed that T5 and T6 treatments could markedly improve the strengths of extruded ZM61 alloy, and the precipitate strengthening effect of double agi…
Marco Bortoluzzia*, Gino Paoluccia, Dolores Fregonab, Lisa Dalla Viac & Francesco Enrichid a Dipartimento di Scienze Molecolari e Nanosistemi , Università Ca’ Foscari Venezia , Dorsoduro 2137, 30121 Venezia , Italy b Dipartimento di Scienze Chimiche , via Marzolo 1, 35131 Padova , Italy c Dipartimento di Scienze del F…
The crystal structures of three conformations, T(6), T(3)R(3) and R(6), of bovine insulin were solved at 1.40, 1.30 and 1.80 Å resolution, respectively. All conformations crystallized in space group R3. In contrast to the T(6) and T(3)R(3) structures, different conformations of the N-terminal B-chain residue PheB1 wer…
We use a simple mesoscopic Landau-Safran theory of network fluids to show that a reentrant phase diagram, in the "empty liquid" regime, leads to nonmonotonic surface tension and reentrant wetting, as previously reported for binary mixtures. One of the wetting transitions is of the usual kind, but the low temperature t…
Mesoporous zirconia with high surface area has been synthesized using self‐assembling agarose gel as a template. Agarose gel was formed in the presence of aqueous zirconyl nitrate solutions followed by precipitation of zirconium (hydr)oxide in the gel framework. A porous zirconia structure is obtained by pyrolysis of…
Regioregular poly(3-hexylthiophene) was postfunctionalized by a three-step high-yielding reaction producing an electron-accepting 1,1,4,4-tetracyanobuta-1,3-diene unit at the regioregular position of the thiophene rings. Electrochemical measurements of the postfunctionalized polythiophene derivative showed two one-ele…
It is well documented that for the effective modelling of the static and dynamic behaviour of elastomeric components using the finite element (FE) method it is essential to obtain material parameters that are derived from a range of physical tests. For a conventional linear solid, uniaxial testing suffices to fully ch…
In this study an active layer of Vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO) has been employed in surface type humidity sensor. On top of preliminary deposited asymmetric metal electrodes, a VOPcPhO thin film was spun cast to obtain a surface type Al/VOPcPhO/Au sensor. The gap between the electrode…
International audience
It has been observed in a previous study that small amounts of the chiral substance hydroquinine-4-methyl-2-quinolylether (HMQ) increased the yield of the preferential crystallization processes of (+)-( S )-mandelic acid without contaminating the solid product. In this work, systematic investigations were performed to…
Elastomers or rubbers are materials used in a large range of industrial and household applications. A common physical-chemical treatment is curing (crosslinking), imparting the rubber mechanical and thermal stability. Elastomers show low thermal conductivity values, and therefore, require complex and high cost heating…
Leishmaniasis is a group of diseases caused by protozoa of the genus Leishmania. This major world health problem ranks among the six most important tropical infectious diseases by the World Health Organization. The current study was undertaken to exploit the antileishmanic activity of three medicinally active plants o…
The traditional Waser distance restraint, the rigid-bond restraint and atomic displacement parameter (ADP) similarity restraints have an equal influence on both atoms involved in the restraint. This may be inappropriate in cases where it can reasonably be expected that the precision of the determination of the positio…
In this paper we investigate the influence of material and device properties on the ballistic transport in epitaxial monolayer graphene and epitaxial quasi-free-standing monolayer graphene. Our studies comprise (a) magneto-transport in two-dimensional (2D) Hall bars, (b) temperature- and magnetic-field-dependent bend…
Ionizing radiation can be used for understanding mechanism of polymerization reaction as well as for initiation of the polymerization process. Some of the advantages of the radiation initiated polymerization over conventional methods are: (i) absence of foreign matter, like initiator, catalyst, etc., (ii) polymerizati…
The two most important characteristics of a chemical reaction are: (1) the position of the equilibrium (i.e., the yield), and (2) the reaction rate. In other words, we are not interested only in the fact that the equilibrium favors products over reactants; but we also want to know how fast the reaction proceeds: if a…
The quantum efficiency of an InGaAs/InP photodetector has increased from 50 to 70.2% at λ=1550 nm by applying a Ti/Au reflector with a SiO2 phase-matched-layer at the back of the device. The ultra-broadband mirror has a simple fabrication process and promising reflectivity (97.9% for the reference and 79% for the InGa…