104 items found

Tags: Chemical Sciences not elsewhere classified Space Science keywords.Catalysis

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  • publication

    Magnetic Fluorescent Delivery Vehicle Using Uniform Mesoporous Silica Spheres...

    We synthesized uniform pore-sized mesoporous silica spheres embedded with magnetite nanocrystal and quantum dots. The magnetic separation, luminescent detection, and controlled...
  • publication

    Alumina Nanotubes Containing Lithium of High Ion Mobility

    We revealed the first example of a crystalline lithium aluminate nanotube with thermal stability prepared by a surfactant-driven hydrothermal procedure. The obtained nanotube...
  • publication

    Construction of Novel Polycyclic Ring Systems by Transition-Metal-Catalyzed C...

    Construction of Novel Polycyclic Ring Systems by Transition-Metal-Catalyzed Cycloisomerization of Ene−Ene−Ynes. Interception of a Carbenoid Intermediate in Skeletal...
  • publication

    Highly selective cobalt-catalyzed hydrovinylation of styrene

    : The hydrovinylation reaction is a codimerization of a 1,3-diene or vinyl arene and ethene with great potential for fine chemicals and pharmaceuticals. For the first time,...
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    Multiplexed Sandwich Immunoassays using Electrochemiluminescence Imaging Reso...

    A new class of bead-based microarray that uses electrogenerated chemiluminescence (ECL) as a readout mechanism to detect multiple antigens simultaneously is presented. This...
  • publication

    Pressure-Induced Amorphization and Porosity Modification in a Metal−Organic F...

    The impact of modest, industrially accessible pressures (0−1.2 GPa) on the structure and porosity of the zeolitic imidazolate framework Zn(2-methylimidazole)2, ZIF-8, was...
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    Pressure-Induced Infiltration of Aqueous Solutions of Multiple Promoters in a...

    By applying an external pressure, an aqueous solution of promoters can be forced into a hydrophobic nanoporous silica gel. The promoter molecule demands a free volume several...
  • publication

    Domino Coupling Relay Approach to Polycyclic Pyrrole-2-carboxylates

    CuBr2-catalyzed three-component coupling of N-benzylallylamine, ethyl glyoxalate, and terminal alkynes afforded glycine-tethered 1,6-enynes, which were further transformed into...
  • publication

    Local Current Mapping and Patterning of Reduced Graphene Oxide

    Conductive atomic force microscopy (C-AFM) has been used to correlate the detailed structural and electrical characteristics of graphene derived from graphene oxide. Uniform...
  • publication

    Conduction Band Energy Level Control of Titanium Dioxide: Toward an Efficient...

    Through the use of a strategy that involves narrowing the TiO2 band gap by shifting its conduction band positively and utilizing the catalytic activity of photoproduced Cu(I)...
  • publication

    How to Design Linear Allenic-Type Trisilaallenes and Trigermaallenes

    A theoretical prescription as to how to design allenic-type linear trisilaallenes and trigermaallenes is provided. Until now, all of the heavier group − 14 analogues of allene...
  • publication

    Au@ZIF-8: CO Oxidation over Gold Nanoparticles Deposited to Metal−Organic Fra...

    Gold nanoparticles (NPs) were deposited to a zeolite-type metal−organic framework (MOF) by a simple solid grinding method. A catalyst, Au@ZIF-8, represents the first example of...
  • publication

    Iridium Luminophore Complexes for Unimolecular Oxygen Sensors

    In this study, a series of novel luminescent cyclometalated Ir(III) complexes has been synthesized and evaluated for use in unimolecular oxygen-sensing materials. The complexes...
  • publication

    Oxidative DNA Cleavage by the Antitumor Antibiotic Leinamycin and Simple 1,2-...

    Oxidative DNA Cleavage by the Antitumor Antibiotic Leinamycin and Simple 1,2-Dithiolan-3-one 1-Oxides:  Evidence for Thiol-Dependent Conversion of Molecular Oxygen to...
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    Correlated Layer Structures:  A Novel Type of Liquid Crystalline Phase with 2...

    A novel liquid crystalline quaternary five-block molecule is reported which is composed of four incompatible molecular parts, a rigid biphenyl core, two polar...
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    Spectroscopy and Electrochemistry of Ruthenium-Modified Nucleic Acids: Design...

    Electron transfer (ET) reactions through DNA have been the subject of numerous investigations due to the implications for light-induced DNA damage and the quest for...
  • publication

    Chiral Arylaminophosphonium Barfates as a New Class of Charged Brønsted Acid ...

    Heterochiral [7.7]-P-spirocyclic arylaminophosphonium barfates have been designed as a novel charged, cationic Bronsted acid catalyst, and their catalytic and stereocontrolling...
  • publication

    Thermally Cross-Linked Superparamagnetic Iron Oxide Nanoparticles: Synthesis ...

    We report the fabrication and characterization of thermally cross-linked superparamagnetic iron oxide nanoparticles (TCL-SPION) and their application to the dual imaging of...
  • publication

    Separation of Styrene and Ethylbenzene on Metal−Organic Frameworks: Analogous...

    The metal−organic frameworks MIL-47 (VIVO{O2C-C6H4-CO2}) and MIL-53(Al) (AlIII(OH)·{O2C-C6H4-CO2}) are capable of separating ethylbenzene and styrene. Both materials adsorb up...
  • publication

    Palladium-Catalyzed Aromatic C−H Halogenation with Hydrogen Halides by Means ...

    A new strategy for catalytic functionalization of C−H bonds by means of electrochemical oxidation is described. Combination of palladium-catalyzed aromatic C−H bond cleavage and...