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  • 1
    Electronic Resource
    Electronic Resource
    Complexes of decamethylsilicocene: Cp2*Si(CO) and Cp2*Si(N2)Dedicated to Professor Heinz Nöth on his 65th Birthday. (1993)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 865-868 
    Details
    ISSN: 0044-2313
    Keywords: Adducts of decamethylsilicocen, IR spectroscopy in liquid gases ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Komplexe von Decamethylsilicocen: Cp2*Si(CO) und Cp2*Si(N2)Es wird über die Synthese und den IR-spektroskopischen Nachweis von Monocarbonyl- und Monostickstoffkomplexen des Decamethylsilicocens in flüssigem Xenon (LXe) oder flüssigem Stickstoff (LN2) berichtet. Die Reaktionen sind bei einigen bar CO oder N2 höchst unvollständig und reversibel, wenn der Gasdruck abgelassen wird. Cp2*Si(CO) kann anhand dreier Isotopomere nachgewiesen werden, während Cp2*Si(N2) auf zwei unterschiedlichen Synthesewegen zugänglich ist.
    Notes: The synthesis and IR spectroscopic detection of the monocarbonyl and mononitrogen complex of decamethylsilicocen in liquid xenon (LXe) and liquid nitrogen (LN2) is reported. The reactions were found to be highly incomplete under a few bar of CO or N2 and reversibel when the pressure is released. Cp2*Si(CO) is characterized by three isotopomeres and Cp2*Si(N2) was synthesized on two independent routes.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19936190510
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  • 2
    Electronic Resource
    Electronic Resource
    Omental angiogenic lipid fraction and bone repair. An experimental study in the rat (1989)
    Hoboken, NJ [u.a.] : Wiley-Blackwell
    Journal of Orthopaedic Research 7 (1989), S. 157-169 
    Details
    ISSN: 0736-0266
    Keywords: Angiogenesis ; Bone healing ; Bone repair ; Life and Medical Sciences
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: A lipid material extracted from the omentum has previously been shown to contain a potent angiogenetic activator (20), capable of creating intense vasoproliferation in traumatized tissues (19). This study was undertaken to analyze the efficacy of local administration of this omental lipid fraction on osseous vascularization and bone repair. An osteoperiosteal segmental femoral defect in the rat was replaced by a demineralized allogenic bone graft exposed to continuous local delivery of omental lipid via an implanted miniosmotic pump. Saline solution delivered in the same way served as a control. Neovascularization and bone formation in the transplant were quantitatively evaluated by means of dynamic radioisotopic bone imaging, radiographic photodensitometry, microangiography, and biomechanical testing. Compared with the control group, the omental lipid angiogenic fraction-treated specimens showed an 80% overall increase (p 〈 0.001) in bone density as well as a twofold increase (p 〈 0.001) in regional blood perfusion, maximal at 2 weeks following surgery. At 12 weeks, biomechanical testing demonstrated significantly higher union rate (p 〈 0.05) and strength (p 〈 0.01) in the treated specimens as compared with the controls. These data demonstrate that the omental lipid fraction factor has potent angiogenic properties that enhance bone blood perfusion and bone regeneration.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jor.1100070202
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    Paper (German National Licenses)
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