58 items found

Groups: Open Access Tags: Evolutionary Biology Space Science keywords.General Chemistry

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  • publication

    Generation and Characterization of Four Dilutions of Diesel Engine Exhaust fo...

    Exposure atmospheres for a rodent inhalation toxicology study were generated from the exhaust of a 2000 Cummins ISB 5.9L diesel engine coupled to a dynamometer and operated on a...
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    Homochiral Crystallization of Microporous Framework Materials from Achiral Pr...

    While it is not uncommon to form chiral crystals during crystallization, the formation of bulk porous homochiral materials from achiral building units is rare. Reported here is...
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    Mechanism of Hydrogen Sorption in Single-Walled Carbon Nanotubes

    Mechanism of Hydrogen Sorption in Single-Walled Carbon Nanotubes
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    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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    Strong Reduction of Thermal Conductivity in Nanostructured PbTe Prepared by M...

    Experimental results are reported that demonstrate that nanostructuring in thermoelectric semiconductors enhances acoustic phonon scattering without the need to prepare solid...
  • 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...
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    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...
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    Sea Breeze Modulated Volatilization of Polycyclic Aromatic Hydrocarbons from ...

    9 pages, 6 tables, 3 figures.-- PMID: 12967097 [PubMed].-- Printed version published Sep 1, 2003.-- Supporting information available at:...
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    Sol−Gel Derived Nitric-Oxide Releasing Materials that Reduce Bacterial Adhesion

    Sol−Gel Derived Nitric-Oxide Releasing Materials that Reduce Bacterial Adhesion
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    Nature of the Bottom t<sub>2</sub><sub>g</sub>-Block Bands of Layered Perovsk...

    The electronic structure of a series of double layer (Sr3V2O7, KLaNb2O7, Li2SrNb2O7, RbLaNb2O7, Rb2LaNb2O7) as well as triple layer (Ca4Ti3O10, K2La2Ti3O10, Sr4V3O9.7,...
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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...
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    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...
  • publication

    Responsive Periodic Mesoporous Polydiacetylene/Silica Nanocomposites

    Responsive PMO materials have been synthesized through co-assembly of bridged diacetylenic silsesquioxane and surfactant. The spatially defined polydiacetylenic component,...
  • publication

    Caged Progesterone: A New Tool for Studying Rapid Nongenomic Actions of Proge...

    Ketalization of the biomolecule progesterone with (6-bromo-7-hydroxycoumarin-4-yl)ethane-1,2-diol gives the photolabile progesterone derivatives 3 and 4. These compounds display...
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    Quantifying Life Cycle Environmental Benefits from the Reuse of Industrial Ma...

    Local reuse of waste materials from industrial processes has many potential environmental benefits, but these have been difficult to aggregate and measure across industries on a...
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    Methane Oxidation in Biofilters Measured by Mass-Balance and Stable Isotope M...

    Simultaneous flux and isotope measurements on compost and sand biofilters showed that the fraction of CH4 oxidized, calculated from δ13C measurements using a closed system model...
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    Phenanthroline Decorated by a Crown Ether as a Module for Metallorganic−Polyo...

    A 1,10-phenanthroline ligand decorated at the 5,6-position by a 15-crown-5 ether moiety was prepared. Ligation of PdII at the nitrogen atom positions followed by complexation at...
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    Steric and Magnetic Asymmetry Distinguished by Encapsulation

    Guests in an achiral cavity experience asymmetric magnetic environments induced by chiral centers outside the cavity.
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    Novel Large Aluminophosphite Cage Unit as the Building Blocks To Form a Frame...

    In this report, an open-framework aluminophosphite (denoted as NKX-6) with large cavities and channel structure has been synthesized hydrothermally. Two crystals of NKX-6 with...
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    Design of open-framework germanates by combining different building units.

    Open-framework germanates with extra-large channels are built from two different types of clusters. The two different clusters are connected in such a way to form a...