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  • 1
    Online Resource
    Online Resource
    Schlussbericht zum Teilvorhaben "Erzeugung effizienter Leuchtstoffe und Demonstration in einem LED Lampensystem" des Verbundprojekts "Hocheffiziente linienemittierende Ionen in mikrooptischen Stukturen - HELIOS" : Laufzeit und Berichtszeitraum: 01.01.2005 - 31.12.2007 (2008)
    Aachen : Philips Technologie GmbH, Forschungslaboratorien Aachen
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (40 S., 1,64 MB) , Ill., graph. Darst.
    URL: https://edocs.tib.eu/files/e01fb08/578845997.pdf
    URL: https://doi.org/10.2314/GBV:578845997
    URL: https://edocs.tib.eu/files/e01fb08/578845997l.pdf
    DOI: 10.2314/GBV:578845997
    Language: German
    Note: Förderkennzeichen BMBF 13N8634. - Verbund-Nr. 01032352 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Electronic Resource
    Electronic Resource
    Di-μ-(carboxylato)-bis[dicarbonyl(tri-tert-butylphosphan)-ruthenium(I)](Ru - Ru) (1980)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 989-994 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Di-μ-(carboxylato)-bis[dicarbonyl(tri-tert-butylphosphane)ruthenium(I)](Ru - Ru)Ru3(CO)12 reacts with tri-tert-butylphosphane and formic acid, acetic acid, propionic acid, butyric acid, or stearic acid to form di-μ-(carboxylato)-bis[dicarbonyl(tri-tert-butylphosphane)-ruthenium(I)](Ru - Ru). The IR and NMR spectroscopic data are discussed.
    Notes: Ru3(CO)12 reagiert mit Tri-tert-butylphosphan und Ameisensäure. Essigsäure, Propionsäure, Buttersäure oder Stearinsäure unter Bildung von Di-μ-(carboxylato)-bis[dicarbonyl(tri-tert-butylphosphan)ruthenium(I)](Ru - Ru). Die IR- und NMR-spektroskopischen Daten der neuen Komplexe werden diskutiert.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19801130318
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Ceramic powder processing in san diego (1990)
    Weinheim : Wiley-Blackwell
    Advanced Materials 2 (1990), S. 499-501 
    Details
    ISSN: 0935-9648
    Keywords: Chemistry ; Polymer and Materials Science
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/adma.19900021014
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  • 4
    Electronic Resource
    Electronic Resource
    Darstellung, Eigenschaften und Struktur von Di-μ-halogeno- bis[dicarbonyl(tri-tert-butylphosphan)ruthenium(I)](Ru—Ru) (1980)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 113 (1980), S. 1385-1393 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis, Properties, and Structure of Di-μ-halogeno-bis[dicarbonyl(tri-tert- butylphosphane)-ruthenium(I)](Ru—Ru)Ruthenium trichloride trihydrate (1) reacts with carbon monoxide and tri-tert-butylphosphane (2) in 2-methoxyethanol to form di-μ-chloro-bis[dicarbonyl(tri-tert- butylphosphane)ruthenium(I)]-(Ru—Ru) (3). The corresponding bromo- (5), and iodo derivatives (6) are formed either from 3 by halogen exchange using LiBr or Nal or by the reaction of di-μ-halogeno-bis[tricarbonylhalogeno-ruthenium(II)] with 2. The crystal structure of 5, has been determined from single crystal X-ray data. The compound crystallizes with 4 molecules in a unit cell of symmetry P21/a in the monoclinic system.
    Notes: Rutheniumtrichlorid-trihydrat (I) reagiert mit Kohlenmonoxid und Tri-tert-butylphosphan (2) in 2-Methoxyethanol unter Bildung von Di-μ-chloro-bis[dicarbonyl(tri-tert- butylphosphan)ruthenium(I)](Ru—Ru) (3). Die entsprechenden Brom- (5) und Iod-Derivate (6) entstehen entweder aus 3 durch Halogenaustausch mittels LiBr oder NaI oder durch Umsetzung von Di-μ-halogeno-bis[tricarbonylhalogeno-ruthenium(II)] mit 2. Die Kristallstruktur von 5 wurde bestimmt. Die Verbindung kristallisiert mit 4 Molekülen in der monoklinen Elementarzelle der Symmetrie P21/a.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19801130417
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  • 5
    Electronic Resource
    Electronic Resource
    Multiphoton and electron impact ionization of azirines. Part II: 2,3-diphenyl-1-azirine at 248 nm and 193 nm (1992)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 27 (1992), S. 1105-1113 
    Details
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Multiphoton ionization of 2,3-diphenyl-1-azirine Is reported for nanosecond laser excitation at 248 and 193 nm and compared with electron impact ionization. The dependence of the ion intensity on the laser intensity shows that the formation of the parent ion and some of the more prominent fragment ions require the absorption of two photons per molecule. Other fragment ions are produced after the absorption of three photons. The results of the absorbed photon energy are corroborated by ionization and appearance energies obtained on calibrated electron impact ionization. Pure metastable ion spectra were obtained both by the defocusing method and by direct analysis of daughter ions produced by electron impact ionization and also by multiphoton ionization. The multiphoton absorption is shown to proceed via two different excitation pathways. A complete ionic decay scheme is given.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/oms.1210271021
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  • 6
    Electronic Resource
    Electronic Resource
    Multiphoton excitation of ferrocene and vanadocene at 351 nm in comparison with 248 and 193 nm. Wavelength dependent competition between ionization and dissociation (1993)
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 28 (1993), S. 405-411 
    Details
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Multiphoton ionization of ferrocene and vanadocene upon nanosecond laser excitation at 351 nm is reported in comparison with results at 248 and 193 nm. A similar behaviour was found for both compounds at each wavelength. The excitation and fragmentation mechanism was elucidated by the determination of the number of absorbed photons for the ion formation and the analysis of the metastable ion decay. On biphotonic excitation at 248 nm extensive fragmentation of the neutral parent molecule to metal atoms is observed, followed by the ionization of these metal atoms after absorption of two further photons. In contrast, at 193 nm the molecular ion is formed after absorption of two photons and dominates the fragmentation pattern up to moderate laser intensities. At high laser intensities the metal ion, formed after resonant absorption of three photons, becomes prominent. At 351 nm the exclusive formation of molecular ions is observed only near the threshold of the laser intensity for ion detection. Metal ion formation prevails at higher laser intensities involving the absorption of five photons. Most likely this absorption mechanism is resonant.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/oms.1210280424
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  • 7
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    Tissue-specific transcriptomics, chromosomal localization, and phylogeny of chemosensory and odorant binding proteins from the red flour beetle Tribolium castaneum reveal subgroup specificities for olfaction or more general functions (2014)
    BioMed Central
    Details
    Publication Date: 2014-12-19
    Description: Background: Chemoreception is based on the senses of smell and taste that are crucial for animals to find new food sources, shelter, and mates. The initial step in olfaction involves the translocation of odorants from the periphery through the aqueous lymph of the olfactory sensilla to the odorant receptors most likely by chemosensory proteins (CSPs) or odorant binding proteins (OBPs). Results: To better understand the roles of CSPs and OBPs in a coleopteran pest species, the red flour beetle Tribolium castaneum (Coleoptera, Tenebrionidae), we performed transcriptome analyses of male and female antennae, heads, mouthparts, legs, and bodies, which revealed that all 20 CSPs and 49 of the 50 previously annotated OBPs are transcribed. Only six of the 20 CSP are significantly transcriptionally enriched in the main chemosensory tissues (antenna and/or mouthparts), whereas of the OBPs all eight members of the antenna binding proteins II (ABPII) subgroup, 18 of the 20 classic OBP subgroup, the C + OBP, and only five of the 21 C-OBPs show increased chemosensory tissue expression. By MALDI-TOF-TOF MS protein fingerprinting, we confirmed three CSPs, four ABPIIs, three classic OBPs, and four C-OBPs in the antennae. Conclusions: Most of the classic OBPs and all ABPIIs are likely involved in chemoreception. A few are also present in other tissues such as odoriferous glands and testes and may be involved in release or transfer of chemical signals. The majority of the CSPs as well as the C-OBPs are not enriched in antennae or mouthparts, suggesting a more general role in the transport of hydrophobic molecules.
    Electronic ISSN: 1471-2164
    Topics: Biology
    Published by BioMed Central
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  • 8
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    Magmatic Mn-rich garnets in volcanic settings: Age and longevity of the magmatic plumbing system of the Miocene Ramadas volcanism (NW Argentina) (2019)
    Details
    Publication Date: 2019-03-28
    Description: The Miocene “Corte Blanco Tuff” rhyolite deposit is the product of a large volume and high intensity Plinian erup-tion from the solitary and monogenetic Ramadas Volcanic Centre (Central Andes, Province of Salta, NWArgentina). The“Corte Blanco Tuff”consists of vitreous tube pumices with rare euhedral sub-millimetricMn-garnet phenocrysts, typically hosting inclusions of U-phases as zircon and monazite. Here, we present newtextural, major and trace elemental analyses of garnet, zircon and glass that, combined with in situ U-(Th)-Pbzircon and monazitedating, are used to reconstruct thethermobaricenvironment offormation,age andlongevityof the magmatic plumbing system of the Ramadas magma. The results indicate to a crystallization path of aperaluminous rhyolitic melt at shallow crustal levels (≤6 km), as sequentially tracked by the initial nucleationof zircon (780 °C at 9.16 Ma) and garnet (above or at ca. 700 °C), to thefinal monazite growth (660–670 °C, at8.70 Ma) in a water-saturated (H2O=3–5 wt%) environment, shortly before the eruption started. These data(1) define for thefirst time the primary magmatic origin of Mn-garnet in a rhyolitic volcanic setting; (2) providenew partition coefficients of rare earth elements (REE) between natural garnet, zircon and rhyolitic melts; and(3) permit reconstruction of the magmatic processes that resulted in the Ramadas eruption. On a wider scale,our results document the spatio-temporal (P-Tconditions, timing and longevity) time scales involved in the pet-rogenesis of a shallow peraluminous water-saturated rhyolitic magmatic plumbing system that is able to gener-ate the conditions for extremely explosive Plinian eruptions.
    Description: Published
    Description: 238-249
    Description: 1V. Storia eruttiva
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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