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  • 1
    Electronic Resource
    Electronic Resource
    PF3, PF2, and PF on Ni(111): Theoretical aspects of their chemisorption (1990)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 92 (1990), S. 699-708 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: The chemisorption of PF3, PF2, and PF on Ni(111) is examined, using tight binding extended Hückel calculations on a three-layer model slab. We have studied various adsorption sites. Calculations indicate that PF3 should be preferentially bound to the onefold on-top Ni sites, with P–F bonds azimuthally oriented over neighboring Ni atoms. PF2 is indicated to bind in a "perpendicular'' manner at a twofold bridging site or possibly at a threefold site; and PF to the threefold hollow sites. These calculations are in agreement with experimental findings. PF3 remains a σ donor and a π acceptor (through backbonding) on the surface; in the bonding of PF2 and PF the π interaction is more important.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.458424
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  • 2
    Electronic Resource
    Electronic Resource
    Correction. Photolysis of 2-Keto-2,3-dihydrobenzofurans. O-Hydroxy-styrenes, and 1-(O-Hydroxyphenyl)-1,5-hexadienes. (1974)
    s.l. : American Chemical Society
    The @journal of organic chemistry 39 (1974), S. 3617-3617 
    Details
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jo00938a605
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  • 3
    Electronic Resource
    Electronic Resource
    Theoretical aspects of photoinitiated chemisorption, dissociation, and desorption of oxygen on platinum(111) (1992)
    s.l. : American Chemical Society
    Langmuir 8 (1992), S. 1111-1119 
    Details
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/la00040a017
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  • 4
    Electronic Resource
    Electronic Resource
    Electronic structure of a (cyclopentadienyl)tri-.mu.-oxoditechnetium polymer with a very short metal-metal bond (1991)
    s.l. : American Chemical Society
    Inorganic chemistry 30 (1991), S. 1086-1093 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic00005a038
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  • 5
    Electronic Resource
    Electronic Resource
    Tri-tert-butylsilyl)imido complexes of titanium: benzene carbon-hydrogen activation and structure of [(tert-Bu3SiNH)Ti]2(.mu.-NSi-tert-Bu3)2 (1991)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 113 (1991), S. 2985-2994 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00008a029
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  • 6
    Electronic Resource
    Electronic Resource
    Anti-inflammatory effects of high-dose montelukast in an animal model of acute asthma (2003)
    Oxford, UK : Blackwell Science Ltd
    Clinical & experimental allergy 33 (2003), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Asthmatic inflammation is mediated by a network of cytokines, chemokines and adhesion molecules. Corticosteroids are the only effective agents available to control asthmatic inflammation. We investigated the effect of high-dose montelukast (MK), a selective cysteinyl leukotriene receptor 1 antagonist, on mediators of airway inflammation.Objective The aim of this study was to determine the effect of a 3-day course of high-dose MK on mediators of airway inflammation induced by a single allergen challenge in sensitized mice.Methods Ovalbumin (OVA)-sensitized BALB/c mice were treated with 25 mg/kg of MK or saline intravenously for 3 days. On the third day, a single inhalation challenge with OVA was given. Cellular infiltration was assessed in the bronchoalveolar lavage (BAL) and in the lung. Expression of IL-4, IL-5, IL-13 and eotaxin in the BAL, and the lung was determined. Serum IL-5 and total IgE was measured. IL-5 and eotaxin mRNA expression in the lung was determined. Finally, eotaxin and VACM-1 expression in the lung was assessed by immunohistochemistry.Results MK reduced the number of eosinophils in the BAL by 〉 90%. There was also significant reduction in IL-5 in the BAL, lung and the serum, and IL-5 mRNA expression in the lung. IL-4 level in the lung and BAL, and IL-13 level in the lung also significantly decreased. Serum IgE level and lung VCAM-1 expression was also significantly lower in treated animals, but eotaxin protein and mRNA expression in the lung remained unchanged.Conclusion MK exerts its anti-inflammatory effect through the suppression of T helper type-2 (Th2) cytokines. The use of high-dose MK as an anti-inflammatory agent in acute asthma should be further explored.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2222.2003.01615.x
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  • 7
    Electronic Resource
    Electronic Resource
    The adequacy of thiamine in liquid diets used in animal models of alcoholism (1980)
    Springer
    Cellular and molecular life sciences 36 (1980), S. 859-860 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effects of chronic administration of 2 types of liquid diets on brain thiamine pyrophosphate (TPP) levels have been investigated. With the Lieber-DeCarli diet, rats in the control group had significantly lower TPP levels compared with those of the ethanol group. The Nutrament diet used in mice was apparently adequate in the thiamine supply.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01978614
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  • 8
    Electronic Resource
    Electronic Resource
    Neurochemical changes in rats chronically treated with a high concentration of manganese chloride (1992)
    Springer
    Neurochemical research 17 (1992), S. 841-847 
    Details
    ISSN: 1573-6903
    Keywords: Manganese toxicity ; neurochemical changes in manganese toxicity ; brain regional electrolytes ; brain regional trace metals ; monoamine oxidase ; acetylcholinesterase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Several neurochemical parameters were studied in brain regions of rats chronically treated with a high concentration of manganese chloride (20 mg MnCl2.4H2O per ml. of drinking water) throughout development until adulthood. Large increases in Mn accumulation were found in all brain regions (hypothalamus, +530%; striatum, +479%; other regions, +152 to +250%) of Mn-treated adult rats. In these animals, Ca levels were decreased (−20 to −46%) in cerebellum, hypothalamus, and cerebral cortex but were increased (+186%) in midbrain. Mg levels were decreased (−12 to −32%) in pons and medulla, midbrain, and cerebellum. Fe levels were increased (+95%) in striatum but were decreased (−28%) in cerebral cortex. Cu levels were increased (+43 to +100%) in pons and medulla and striatum but Zn levels were decreased (−30%) in pons and medulla. Na levels were increased (+22%) in striatum but those of K and Cl remained unchanged. Type A monoamine oxidase activities were decreased (−13 to −16%) in midbrain, striatum, and cerebral cortex, but type B monoamine oxidase activities decreased (−13%) only in hypothalamus. Acetylcholinesterase activities were increased (+20 to +22%) in striatum and cerebellum. The results are consistent with out hypothesis that chronic manganese encephalopathy not only affects brain metabolism of Mn but also that of other metals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00993259
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  • 9
    Electronic Resource
    Electronic Resource
    Mold-filling simulations for the injection molding of continuous fiber-reinforced polymer (1988)
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 28 (1988), S. 333-339 
    Details
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Injection molding can be used to fabricate fiber-reinforced polymer composites by impregnating a continuous fabric mat preplaced in a mold cavity with a polymer resin. The mold-filling time is dependent on the flow and heat transfer behavior in the mold. A model is proposed that considers the non-Newtonian How through the porous fabric mat and the heat transfer between mold, fabric mat, and flowing fluid. The model was simulated for the mold filling of a carbon fiber mat with a pseudoplastic polymer solution. The results from the simulation provide Information for optimizing mold-filling parameters through proper selection of inlet fluid pressure, heat source temperature, and type of polymer-solvent system.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pen.760280508
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  • 10
    Electronic Resource
    Electronic Resource
    The structural and aggregation properties of the synthetic C-terminal half (104-mer) polypeptide from HIV p24gag resemble those of full-length protein (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Peptide Science 3 (1997), S. 168-180 
    Details
    ISSN: 1075-2617
    Keywords: p24 ; HIV ; synthetic proteins ; CD spectroscopy ; secondary-structure prediction ; Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The aggregation and structural properties of the synthetic C-terminal half [Ala330, Ala350)270-373; 104-mer)] polypeptide from HIV-1 p24gag were studied. In concentrated solutions the synthetic polypeptide aggregated to tetramers which, upon dilution, gave a mixture of monomeric and dimeric species. These results correlated well with the in vitro aggregation properties of recombinant p24. The tetrameric form of the synthetic polypeptide had a pI which differed by about four units from that of the mixture of monomeric and dimeric species. CD studies indicated that the latter contained, in aqueous solutions, a compact molecule lacking, however, a defined tertiary structure. Addition of MeOH to aqueous solutions of both tetramer and monomer/dimer mixture induced a more defined structure, which was assigned to that of an α+β protein in agreement with secondary structure predictions. A model of the dimeric form of the 104-mer, which takes into account the results presented here and those from a study on the specificity of a set of anti-104-mer MoAbs, is presented.Finally, the results indicated that the structure of the 104-mer in its dimeric form is similar to that adopted by the same sequence when part of full-length p24. © 1997 European Peptide Society and John Wiley & Sons, Ltd.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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