Materials Literature
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In this study, monofilament tubular braided structures were fabricated and their performances were analyzed. The braided tubes are in three-dimensional form, made of polyester monofilaments intended for use in medical applications. This type of structure, called a stent, is used to open clogged arteries and veins by e…
Horizontally aligned single-walled carbon nanotubes (SWNTs) were directly grown across trenches produced on SiO(2)/Si substrate, forming suspended aligned SWNTs over the trenches, and were fabricated with simple methods for infrared (IR) detection application. The horizontally aligned SWNTs can grow across trenches as…
Summary Antifungal biopolymers were prepared by incorporating natamycin (NA) and NA + rosemary extract (RE) into wheat gluten (WG) and methyl cellulose (MC) films. Interaction between antimicrobial agents and biopolymers was determined with mid‐infrared spectroscopy and scanning electron microscopy (SEM). Water vapour…
The influence of temperature, pulping time and soda concentration on the yield, kappa index, brightness and fiber density of Agave Americana L. pulp has been studied. Using a factorial design to identify the optimum operating conditions, equations relating the dependent variables to the operational variables of the pu…
We investigated charge-carrier transport in the nematic phase of small molecules such as 2-phenylbenzothiazoles by time-of-flight experiments, in which the conduction mechanism has been considered to be ionic. As a result, we established the hole and electron transports in the nematic phase of highly purified samples:…
The reaction between Mn(O(2)CMe)(2) x 4 H(2)O and hmcH(3) [hmcH(3) = 2,6-bis(hydroxymethyl)-p-cresol] in CH(2)Cl(2) in the presence of NEt(3) affords the Mn(III)(3) complex [NEt(3)(CH(2)Cl)](2)[Mn(3)O(hmcH)(3)(hmcH(2))(3)] (1). The anion of 1 contains a [Mn(III)(3)(mu(3)-O)](7+) triangular core, with the central O(2-)…
Abstract Structures of (Pro‐Pro‐Gly) 4 ‐Xaa‐Yaa‐Gly‐(Pro‐Pro‐Gly) 4 (ppg9‐XYG) where (Xaa, Yaa) = (Pro, Hyp), (Hyp, Pro) or (Hyp, Hyp) were analyzed at high resolution using synchrotron radiation. Molecular and crystal structures of these peptides are very similar to those of the (Pro‐Pro‐Gly) 9 peptide. The results o…
Warp yarns in their different applications during weaving processes are often required to support loads, either in a static manner (simple tensile) or in a dynamic one (fatigue). For this reason, the investigation into the variations of the mechanical behavior of warp yarns during weaving condition is important. The p…
The primary goal of the present studies is to rank the monoprotonated, lacunary Wells-Dawson-type polyoxometalate [H[alpha2-P2W17O61]](9-) as a stabilizing anion for the formation and subsequent stabilization of Ir(0)(n) nanoclusters in acetone using the five-criteria method developed previously ( Ozkar , S. ; Finke ,…
The reaction of protonated magadiite with the cationic surfactant cetyltrimethylammonium (C16TMA) was studied using different C16TMA solutions. The intercalation was achieved from C16TMAOH solution. However, only adsorption of C16TMA cations occurred on the external silicate surfaces from C16TMABr and C16TMACl solutio…
Abstract Akkordeonspiel : Beim Abkühlen eines Einkristalls eines mikroporösen fluorigen metall‐organischen Gerüsts unter Umgebungsbedingungen tritt bei Gasadsorption ein starkes Atmen auf, und mehrere N 2 ‐Moleküle werden in Kanäle und Käfige gefüllt (siehe Bild). Im Vakuum zeigt das Gerüst eine deutliche positive the…
T-shaped and crossed junctions based on graphene nanoribbons (GNRs) were designed and studied in this paper. These junctions were made of shoulders (ZGNRs) joined with stems (AGNRs). We demonstrated the intrinsic transport properties and effective boron (or nitrogen) doping of the junctions by using first-principles q…
The stress behavior of nanocrystalline cubic boron carbon nitride $(c{\text{-BC}}_{2}\text{N})$ was investigated using radial and axial x-ray diffractions in the diamond-anvil cell under nonhydrostatic compression up to ~100 GPa. The radial x-ray diffraction (RXRD) data yield a bulk modulus ${K}_{0}=276\ifmmode\pm\els…
A diazonium salt-derived organoimido hexamolybdate was synthesized and directly covalently immobilized on Si surfaces using diazonium chemistry to form both monolayers and multilayers. These monolayers and multilayers were characterized by ellipsometry, X-ray photoelectron spectroscopy (XPS), and electrochemical analy…
Purpose The purpose of this paper is to evaluate the corrosion inhibition potential of Calotropis procera in sulphuric acid medium on mild steel with a view to developing green corrosion inhibitors. Design/methodology/approach Extract of the C. procera was studied for its corrosion inhibitive effect by weight loss, el…
The influence of the substrate polarity (Zn polar or O polar) on the structural and optical properties of homoepitaxial ZnO epilayers grown by chemical vapor deposition is investigated. The polarity of the epilayer is controlled by the substrate polarity as shown by high-resolution transmission electron microscopy (TE…
Polypyrrole (PPY)/SrFe12O19 composites with tunable electrical and magnetic properties were synthesized by in situ polymerization of pyrrole in the presence of SrFe12O19 particles. The structure of PPY/SrFe12O19 composites was characterized by means of Fourier transform infrared spectroscopy and X-ray diffraction. Tra…
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication to the EditorNEXTFacile One-Pot Approach for Preparing Dually Responsive Core−Shell NanostructureYe-Zi You*, Chun-Yan Hong, and Cai-Yuan PanView Author Information CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engine…
Abstract Drang nach draußen : Mit Cyclodextrinen (CDs) an photochemisch spaltbaren Linkern beschichtete mesoporöse Siliciumoxidnanopartikel entlassen eingeschlossene Spezies unter Bestrahlung und gehen einen Sol‐Gel‐Übergang ein, der durch molekulare Erkennung ausgelöst wird (siehe Bild). Unter UV‐Bestrahlung werden G…
Most porous anodic alumina (PAA) or anodic aluminum oxide (AAO) films are fabricated using the potentiostatic method from high-purity (99.999%) aluminum films at a low temperature of approximately 0-10 degrees C to avoid dissolution effects at room temperature (RT). In this study, we have demonstrated the fabrication…