Materials Literature
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Heterogeneous chiral catalysts based on the DIOP-Rh system were prepared by covalent immobilization onto SBA type silicas using two different strategies. In the first route, a chiral analogue of Wilkinson's catalyst, [Rh(diop)(PPh2(CH2)2Si(OCH2CH3)3)Cl], 2, was immobilized onto a SBA-15 surface via a classical post-gr…
The radionuclide inventory of a copper beam dump from the 590 MeV proton accelerator of the Paul Scherrer Institute in Switzerland was determined, focusing on radioisotopes with half-lives of more than 60 d, and in particular, of long-lived isotopes with T 1/2 =10 4 −10 7 years, which are important regarding radioacti…
Tin-doped zinc oxide, , films were prepared using a pulsed laser deposition method to elucidate the effects of Sn doping in ZnO films. The film obtained was ⟨001⟩-oriented wurtzite type when the Sn concentration was 10% or less, while ⟨111⟩-oriented was the major phase when the Sn concentration was more than 10%. The…
Tissue-engineered blood vessel substitutes should closely resemble native vessels in terms of structure, composition, mechanical properties, and function. Successful cardiovascular tissue engineering requires optimization of in vitro culture environment that would produce functional constructs. The extracellular matri…
A general model for explaining bistability in crystals of donor–acceptor (DA) molecules, associated with an intramolecular charge-transfer process, is thoroughly discussed. Specifically, an extension from the two- to the three-essential states model for D-bridge-A molecular units taking into account the active role of…
Dendrites and rectangular prisms of orthorhombic CaTiO3 were synthesized massively by reacting titanium tetraisopropoxide with Ca(OH)2 in basic solutions at 120 °C. Dendrites were formed in dilute base solution with moderate stirring while rectangular prisms were formed in concentrated base solution or with vigorous s…
Electrospray ionisation mass spectrometry shows that arylstibonic acids, RSbO(3)H(2), give rise to oxo-bridged clusters derived from [H(8)(RSb)(12)O(28)] which act as inorganic crown ligands towards Na(+) cations; structure determination of one derivative revealed a cage-like anion [Na(2)H(9)(p-O(2)NC(6)H(4)Sb)(12)O(3…
We demonstrate the effect of confinement on the thickness-dependent swelling behavior of poly(styrene)-b-poly(2-vinylpyridine) diblock copolymer films as revealed by in situspectroscopic ellipsometry. “Microscopic” molecular confinement to the dimension smaller than the characteristic lamella spacing, as well as to th…
International Journal of Green Nanotechnology: Biomedicine, volume 1 issue 2 ARTICLES A Battery of Test for Ecotoxicological Evaluation of Pentachlorophenol on Common Carp by Zhao-Xiang Han,Jia-Hong Wang and Wen Zhou Lv , Page B97 Nanoparticles in Drug Delivery: Potential GreenNanoBiomedicine Applications by R. Ravich…
We report results of large-scale molecular-dynamics simulations of dynamic deformation under biaxial tensile strain of prestrained single-crystalline nanometer-scale-thick face-centered cubic (fcc) copper films. Our results show that stacking faults, which are abundantly present in fcc metals, may play a significant r…
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A one-step rapid and ultrasensitive immunoassay capable of detecting proteins in blood serum is developed using gold nanoprobes and fluorescence correlation spectroscopy (FCS). In this approach we take advantage of the inherent photoluminescence property of gold nanoparticles (GNPs) to develop a fluorophore-free assay…
A pyrene-functionalized polymer was patterned via electron beam lithography onto a silicon wafer and shown to selectively bind with carbon nanotubes.
A novel bis-hydroxymethyl-substituted DTTA chelator N'-Bz-C(4,4')-(CH(2)OH)(2)-DTTA () and its DTPA analogue C(4,4')-(CH(2)OH)(2)-DTPA () were synthesized and characterized. A variable-temperature (1)H NMR spectroscopy study of the solution dynamics of their diamagnetic (La) and paramagnetic (Sm, Eu) Ln(3+) complexes…
We report improving ballistic performance of polyurethane foam by reinforcing it with nanoscale<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mtext>TiO</mml:mtext></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>particles. Particles were dispersed through a son…
The dispersion of aqueous γ‐Y 2 Si 2 O 7 suspensions, which contain only one component but have a complex ion environment, was studied by the introduction of two different polymer dispersants, polyethylenimine (PEI) and polyacrylic acid (PAA). The suspension without any dispersant remains stable in the pH range of 9–1…
2-(4-pyridyl)-5-[(4-(2-dimethylaminoethylaminocarbamoyl)methoxy)-phenyl] oxazole (PDMPO) is a fluorescent compound that accumulates in acidic cell compartments. PDMPO is accumulated with silica under acidic conditions, and the newly developed silica skeletons show green fluorescent light. This study is the first to us…
Polypyrrole films have been electrochemically polymerized on platinum electrode under different conditions. The effect of the parameters used during the potentiostatic polymerization, such as monomer concentration, type of doping agent (i.e. counterion), deposition time (i.e. films thickness), concentration of doping…
There have been five Materials International Space Station Experiment (MISSE) passive experiment carriers (PECs) (MISSE 1–5) to date which have been launched, exposed in space on the exterior of International Space Station (ISS) and then returned to Earth for analysis. An additional four MISSE PECs (MISSE 6A, 6B, 7A &…
-poly(acrylic acid) block copolymer. Transmission electron microscopy revealed that each particle was surrounded by a uniform, layer of copolymer, and that the average diameter of the resulting QD-core micelles was between 25 and 50 nm, depending on the conditions of particle assembly. Overall, we found that aqueous s…