107 items found

Types: publication Tags: Biophysics Physical Sciences not elsewhere classified keywords.Catalysis

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  • publication

    Remarkable Effect of Pore Size on the Catalytic Activity of Mesoporous Silica...

    The catalytic activity of mesoporous silica (MCM-41) for the acetalization of cyclohexanone shows a volcano-shaped dependence on the pore diameter. The diameter of the...
  • publication

    Highly Luminescent, Triple- and Quadruple-Stranded, Dinuclear Eu, Nd, and Sm(...

    The bis(β-diketone) ligands 1,3-bis(3-phenyl-3-oxopropanoyl)benzene, H2L1 and 1,3-bis(3-phenyl-3-oxopropanoyl) 5-ethoxy-benzene, H2L2, have been prepared for the examination of...
  • publication

    Amphiphilic Janus Gold Nanoparticles via Combining "Solid-State Grafting-to" ...

    Despite the great efforts that have been made toward obtaining Janus architectures, synthesizing sub-10 nanometer Janus nanoparticles (NPs) modified with different types of...
  • publication

    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

    Mechanism of Hydrogen Sorption in Single-Walled Carbon Nanotubes

    Mechanism of Hydrogen Sorption in Single-Walled Carbon Nanotubes
  • publication

    Modulation of T2 Relaxation Time by Light-Induced, Reversible Aggregation of ...

    A reversible T2 contrast agent consisting of cross-linked anionic dextran coated iron oxide nanoparticles covalently coupled to a light-sensitive spiropyran (SP)/merocyanine...
  • publication

    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

    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

    Formation of Streptavidin-Supported Lipid Bilayers on Porous Anodic Alumina: ...

    Formation of Streptavidin-Supported Lipid Bilayers on Porous Anodic Alumina:  Electrochemical Monitoring of Triggered Vesicle Fusion
  • publication

    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...
  • publication

    Mechanism of Helix Induction on a Stereoregular Poly((4-carboxyphenyl)acetyle...

    Cis−transoidal poly((4-carboxyphenyl)acetylene) (poly-1) is an optically inactive polymer but forms an induced one-handed helical structure upon complexation with optically...
  • 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

    Polymetallic Lanthanide Complexes with PAMAM-Naphthalimide Dendritic Ligands:...

    Generation 3 PAMAM dendrimers functionalized with 2,3-naphthalimide chromophoric groups on the end branches were synthesized, and the formation of Eu3+ polymetallic complexes...
  • publication

    Sensitized NIR Erbium(III) Emission in Confined Geometries: A New Strategy fo...

    A new hybrid material, based on Er3+ exchanged zeolite L loaded with DFB molecules, is proposed as an efficient emitter in the third telecommunication window. The close...
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    Coordination Copolymerization of Severely Encumbered Isoalkenes with Ethylene...

    This contribution describes the implementation of the binuclear organotitanium “constrained geometry catalysts” (CGCs),...
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    Azobenzene-Tethered T7 Promoter for Efficient Photoregulation of Transcription

    Azobenzene was additionally introduced into side chain of T7 promoter for the photocontrol of transcription reaction by T7 RNA polymerase (T7 RNAP). When a single azobenzene...
  • publication

    Mechanism and Dynamics of Azobenzene Photoisomerization

    The excited-state dynamics of trans-azobenzene were investigated by femtosecond time-resolved photoelectron spectroscopy and ab initio molecular dynamics. Two near-degenerate...
  • publication

    Hierarchical Porous Silica Materials with a Trimodal Pore System Using Surfac...

    Porous silica exhibiting a hierarchically ordered trimodal pore system with a well-defined reverse opal microstructure and bimodal mesoporosity in the walls has been prepared by...
  • publication

    Magnetically-Induced Solid-State Electrochemical Detection of DNA Hybridization

    A magnetic triggering of a solid-state electrical transduction of DNA hybridization is described. Positioning of an external magnet below the thick-film electrode attracts the...
  • publication

    Scaling Laws for Charge Transfer in Multiply Bridged Donor/Acceptor Molecules...

    The ability of multiple spatial pathways to sum coherently and facilitate charge transfer is examined theoretically. The role of multiple spatial pathways in mediating charge...