Materials Literature
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We present an ammonia sensor for human breath analysis based on electrically conducting polymer nanojunctions. Each nanojunction is formed by bridging a pair of gold nanoelectrodes on a silicon chip separated by a small gap (<60 nm) with electrodeposited polyaniline. The signal transduction mechanism of the sensor is…
This paper presents an experimental study of the seam performance of PET/nylon-elastane woven fabrics. In this study, plain and twill fabrics were woven with three different weft densities. Two different sewing threads were used during the sewing of the fabrics. Therefore, 12 samples having different specifications we…
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication to the EditorNEXTUnique Thermoresponsive Polymeric Micelle Behavior via Cooperative Polymer Corona Phase TransitionsMasamichi Nakayama and Teruo OkanoView Author Information Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Med…
We have synthesized multifunctional magnetite nanoparticles coated with N-isopropylacrylamide (NIPAM) and a fluorescent modified acrylamide (FMA) monomer. The temperature of the medium surrounding a collection of nanoparticles may be determined by monitoring fluorescence changes in the FMA monomer resulting from the d…
Novel amino- or thiol-functionalized superparamagnetic copolymer-silica nanospheres (NH2-SMCSNs/SH-SMCSNs), which consist of a magnetic core and a silica cross-linked block copolymer shell, have been fabricated.
A three-dimensional mixed-valence iron complex with NiAs-type topology, [(Fe(III)(3)O)Fe(II)(TA)(6)(H(2)O)(3)].(ClO(4))(2)(NO(3))(EtOH)(H(2)O)(2) (1, HTA = tetrazole-1H-acetic acid), shows spin-crossover behavior that was characterized via variable-temperature crystal structures, Mössbauer spectra and magnetic suscept…
A new spectrophotometric method using covalently attached capture antibody labeled with alkaline phosphatase is developed for the detection of fPSA.
Monodisperse dendrimer-entrapped gold nanoparticles (diameter = 3.0 nm) were prepared using G5 poly(amidoamine) (PAMAM) dendrimer functionalized with fluorescein isothiocyanate (FI) and Arg-Gly-Asp (RGD) peptide as template; in vitro targeting efficacy to integrin receptor expressing cells was confirmed by flow cytome…
The electrodeposition of noble metals, i.e., platinum, palladium, and gold, into macroporous p-type silicon was examined. For platinum and palladium, the electrodeposition proceeded preferentially from the pore bottom to the opening when sodium chloride was used as a supporting electrolyte. When sodium sulfate was use…
Abstract This review discusses the properties of structural defects in quantum dots of IIB–VI semiconductors. A great part of this knowledge has been developed in the last years and combined with the improvement in passivation technologies has contributed significantly to the nanotechnology. In this review we introduc…
Luminescent Properties of Ca-α-SiAlON : Eu2 + Phosphors Synthesized by Gas-Pressured Sintering, Ryu, Jeong Ho, Park, Youn-Gon, Won, Hyong Sik, Kim, Sang Hyun, Suzuki, Hideo, Lee, Jong Myeon, Yoon, Chulsoo, Nazarov, Mihail, Noh, Do Young, Tsukerblat, Boris
A new two-dimensional (2D) coordination polymer with mixed pyrimidine-2-carboxylate (pymca) and oxalate (ox) bridges, [Mn(2)(pymca)(2)(ox)(H(2)O)(2)](n) (1), was synthesized by a hydrothermal reaction involving the in situ formation of the pymca and ox ligands from 2-cyanopyrimidine (pymCN), and its structure and magn…
The oxide composition was tested for application as an anode material for solid oxide fuel cells. Despite the high Fe content, this composition was found to be stable under SOFC anode conditions up to . The composite anode was tested in and electrolyte-supported cells in air and humidified . The maximum power density…
A POSS-supported Pd-diimine complex, an homogeneous analog of a supported catalyst, was synthesized and applied for the unique synthesis of narrow-distributed polyethylene chains containing an end-tethered POSS nanoparticle by ethylene "living" polymerization.
An expanded graphite (e-MCMB, mesocarbon microbeads) having a wider interlayer spacing ( d 002 = 0.404 nm ) than that of common graphites is prepared by heat-treatment of an oxidized MCMB. When the e-MCMB electrode, which gives a negligible capacitance due to a small surface area, is polarized over a certain onset pot…
A highly fluorescent organogel with transparency was formed through a hydrogen (H)-bonding interaction between a non-fluorescent and achiral 2-(3',5'-bis-trifluoromethyl-biphenyl-4-yl)-3-(4-pyridin-4-yl-phenyl)-acrylonitrile (CN-TFMBPPE) monomer and chiral sergeant l-tartaric acid (TA) (or d-TA), with gel formation be…
Spiropyran derivatives have been immobilised on the surface of polystyrene microbeads using different immobilisation strategies. These functionalised polymeric beads can be reversibly switched between the colourless inactive spiropyran (SP) and highly coloured (purple) active merocyanine (MC) forms using low power lig…
Hard peanut-shaped colloids were synthesized and organized into a degenerate crystal (DC), a phase previously observed only in simulations. In this structure, particle lobes tile a triangular lattice while their orientations uniformly populate the three underlying crystalline directions.
Hyperbranched polymers based on a polyether and polyester have been modified and used as macromolecular ligands for the anticancer drug cisplatin, giving controlled release of the drug over 7 days.
Hollow zeolite structures including sodalite spheres and hollow zeolite NaA crystals were synthesized by introducing crosslinked polyacrylamide (C-PAM) hydrogels into zeolite synthesis gels. The synthesis gels with weight compositions of 0.8SiO2 : 1.0Al2O3 : 21.2Na2O : 86.0H2O : 7.4–28.7 acrylamide (AM) were used to p…