Materials Literature
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Abstract Mesoporous organosilica materials with different contents of bistrialkoxysilyl imidazolium salts in the framework were synthesized by a one‐step synthesis. Textural characterization of the materials confirmed that the morphology and surface properties of the imidazolium‐bridged organosilicas depended critical…
ABSTRACT The influence of ultraviolet (UV) irradiation on low frictional performance of CN x coatings with 100 nm thickness having nitrogen contents of 9%, 14% and 19% deposited on Si(100) substrate by ion beam mixing was investigated in N 2 atmosphere environment. Three UV lights of 254, 312 and 365 nm were used to i…
Abstract The interface formation between SrTiO 3 and SrZrO 3 has been studied using in situ photoelectron spectroscopy. Epitaxial SrZrO 3 thin films were grown on (0 0 1)-oriented SrTiO 3 : Nb single crystals via pulsed-laser deposition. The epitaxial SrZrO 3 growth was verified via x-ray diffraction and Cs-corrected…
Safety data sheets (SDSs) and labelling are the basic hazard communication tools for hazardous chemicals as regards their manufacture, storage, transport and other handling activities. Thus, in the context of the growing use of nanomaterials and nanomaterial-containing materials, this study evaluated the information p…
Adsorption of 11-mercaptoundecanoic acid (MUA) on silver from methanol and aqueous solutions was monitored in situ by surface-enhanced Raman scattering (SRES) spectroscopy. While adsorption of MUA from methanol is a one-step formation of a thiol-bound monolayer, SERS spectra reveal that monolayer formation from aqueou…
Using a first-principle plane-wave method we investigate the effects of static charging on the structural, electronic, and magnetic properties of suspended, single-layer graphene, graphane, fluorographene, BN, and MoS${}_{2}$ in a honeycomb structure. The limitations of periodic boundary conditions in the treatment of…
We report the fabrication of horizontally aligned ultrananocrystalline diamond (UNCD) nanowires (NWs) via two different approaches. First, with the top-down approach by using electron beam lithography (EBL) and reactive ion etching (RIE) with a photo resist layer as an etch mask. Using this approach, we demonstrate fa…
In this study, the effect of CO 2 reactivity on low NO x combustion by varying CO 2 mole fraction in inflow gas was experimentally and numerically investigated. A flat CH 4 flame doped with NH 3 for fuel N was formed in a reactor allowed secondary gas injection to simulate the fuel-rich region in a low NO x burner. Th…
Abstract The use of fabrics with antibacterial properties for commodity applications can provide numerous advantages such as a reduction in the release of odors due to bacterial proliferation in sweat and a reduction in the development of skin hypersensitivity reactions due to microorganisms trapped into the fabrics.…
We prepared a new library of 160 compounds by conjugation of a BODIPY core to a collection of aldehydes. This library was screened against 52 biologically relevant analytes and we identified one fluorescent sensor of fructose (Fructose Orange). Fructose Orange showed a 24-fold fluorescence increase upon recognition of…
The collagen present in the dermis of the skin is a fibrous protein that fills the gaps between cells and helps maintain tissue flexibility. Effectively increasing the collagen present in the skin is an important goal for cosmetic research. Recent research has shown that soybean peptide (SP) has anti-fatigue activity,…
DNA strands have been used as templates for the self-assembly of smooth and conductive cuprous oxide (Cu₂O) nanowires of diameter 12-23 nm and whose length is determined by the template (16 μm for λ-DNA). A combination of spectroscopic, diffraction and probe microscopy techniques showed that these nanowires comprise s…
Three new group 3 metal complexes, bearing anilidopyridyl-pyrrolide ( L 1 ) and anilidopyridyl-indolide ( L 2 ) as dianionic tridentate ligands, with the general formula LMN(SiHMe 2 ) 2 were synthesized (complex 1, M = Y, L = L 1; complex 2, M = Sc, L = L 1; complex 3, M = Y, L = L 2 ). All complexes were fully charac…
Patchy particles are fabricated using a method of embedding-into and extracting-from thick, biocompatible, gel-like HA/PLL films. Control over the patchiness is achieved by adjusting the stiffness of films, which affects embedding and masking of particles. The stiffness is adjusted by the concentration of gold nanopar…
Composite films of multiwall carbon nanotube (MWNT)/poly(3,4-ethylenedioxythiophene) polymerized with poly(4-styrenesulfonate) (PEDOT:PSS) were prepared by spin-coating a mixture solution. The effect of the MWNT loading and the MWNT oxidation, with acid solution or ultraviolet (UV)-ozone treatment, on the film propert…
1,3,5-Triphenyl-6-oxoverdazyl radicals 1[n], in which each phenyl group is substituted with three alkylsulfanyl groups (n = 6, 8, 10), exhibit a monotropic columnar rectangular (Col(r)) phase below 60 °C. Detailed analysis of 1[n] revealed a broad absorption band in the visible region with maxima at 540 and 610 nm and…
Microenvironments in which cells live play an important role in the attachment, growth and interactions of cells. To mimic the natural structure of extracellular matrices, electrospinning was applied to fabricate biomaterials into ultrafine fibers. Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), a biocompatible a…
Abstract. The interaction of NO2 with TiO2 solid films was studied under UV irradiation using a low pressure flow reactor (1–10 Torr) combined with a modulated molecular beam mass spectrometer for monitoring of the gaseous species involved. The NO2 to TiO2 reactive uptake coefficient was measured from the kinetics of…
Making Green Polymers Even Greener:Towards Sustainable Production of Polyhydroxyalkanoates from Agroindustrial By-Products
Molekulare Räder: Die zehnfach koordinierten molekularen Räder Ta©B10− (siehe Bild) und Nb©B10− mit der derzeit höchsten Koordinationszahl für das planar umgebene Zentralatom wurden durch Laserverdampfen im molekularen Überschallstrahl hergestellt und mit Photoelektonenspektroskopie und Ab-initio-Rechnungen charakteri…