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  • Inorganic Chemistry  (5)
  • 72.40  (1)
  • Atomic and molecular collisions and interactions  (1)
  • Physiology & Biochemistry  (1)
  • 2015-2019  (2)
  • 1975-1979  (6)
  • 1965-1969
  • 2016  (2)
  • 1978  (3)
  • 1977  (3)
Collection
Keywords
Publisher
Years
  • 2015-2019  (2)
  • 1975-1979  (6)
  • 1965-1969
Year
  • 1
    Electronic Resource
    Electronic Resource
    Hf-sputtered indium oxide films doped with tin (1978)
    Springer
    Applied physics 16 (1978), S. 239-246 
    Details
    ISSN: 1432-0630
    Keywords: 72.40 ; 73
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Indium oxide films doped with tin (ITO-films) have been hf-sputtered from an 80 at-%In2O3/20 at-%SnO2 target onto glass substrates. The sputter atmosphere contained mainly argon (10−2Torr) with addition of oxygen (0≦p O 2≦2·10−2Torr). The sputtered films aren-conductors. The conductivity and density of charge carriers depend on the oxygen content of the sputter gas. They could be varied by two orders of magnitude. In air or in oxygen atmosphere the films oxidize at the surface and for a certain depth beneath the surface, thus decreasing the conductivity. The Hall mobility of the sputtered films is smaller (≈10 cm2V−1 s−1) than one observes at ITO films produced by CVD sparaying or other methods. The conductivity of as sputtered films approached maximum values of about 1000Ώ−1cm−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00885119
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  • 2
    Electronic Resource
    Electronic Resource
    Zur Kenntnis von nur im festen Zustand existenzfähigen 1:1-Verbindungen zwischen Antimon(III)-Halogeniden und 1,3,5-Trithiacyclohexan (s-Trithian) (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 437 (1977), S. 149-154 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Characterization of Weak Bonded Solid 1:1 Adducts Formed between Antimony(III) Halogenides and s-TrithianeCrystalline 1:1 addition compounds are formed on cooling hot solutions of antimony(III) halides and s-trithiane in benzene or toluene. Their preparation, physical properties and vibrational spectra are described.
    Notes: Aus den Gemischen heißer Lösungen von s-Trithian und Antimon(III)-Halogeniden in Benzol oder Toluol kristallisieren beim Erkalten 1:1-Additionsverbindungen. Ihre Darstellung, physikalischen Eigenschaften und Schwingungsspektren werden beschrieben.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774370119
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  • 3
    Electronic Resource
    Electronic Resource
    Darstellung und Eigenschaften einiger Aus C—S-Sechs- bzw. -Achtringen gewonnener polymerer Verbindungen (1978)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 445 (1978), S. 175-183 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Properties of Some Polymeric Compounds, Formed from Sixmembered or Eightmembered C—S Ringss-Trithiane, substituted s-trithianes and s-tetrathiocanes, cyclooctasulfur and to some extent selenium can be polymerized together with s-tetrathiocane, if the molten mixtures are treated with a trace of borontrifluoride etharate. This leads to polymethylene sulfides, substituted polymethylene sulfides, polymethylene polysulfides and polymethylene sulfide selenides which melt mostly without decomposition.
    Notes: s-Trithian, monosubstituierte s-Trithiane und s-Tetrathiocane, Cyclooctaschwefel und in begrenztem Maße auch Selen können zusammen mit Tetrathiocan polymerisiert werden, wenn die geschmolzenen Gemische mit einer Spur Bortrifluoridetherat behandelt werden. Es entstehen dabei meist unzersetzt schmelzende Polymethylensulfide, substituierte Polymethylensulfide, Polymethylenpolysulfide und Polymethylensulfidselenide.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19784450122
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  • 4
    Electronic Resource
    Electronic Resource
    Isomerieerscheinungen am Tris-trimethylsilyl-substituierten s-Trithian (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 437 (1977), S. 159-161 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Isomerizations of Triple Substituted s-TrithianeTreatment of triple silyl-substituted s-trithiane with n-butyllithium results in the formation of lithium salts of carbenium ions. Their reactions with water or heavy water lead to isomers of 2,4,6-tris-(trimethylsilyl)-s-trithianes.
    Notes: Dreifach silyliertes s-Trithian wird mit überschüssigem n-Butyllithium umgesetzt. Die entstehenden Lithiumsalze von Carbanionen ergeben bei Zusatz von Wasser bzw. Deuteriumoxid Isomere des 2,4,6-Tris-(trimethylsilyl)-s-trithians.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774370121
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  • 5
    Electronic Resource
    Electronic Resource
    Die Lösungsmittelfreie Schnellsynthese von reinem Bis-brommethylsulfid (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 437 (1977), S. 146-148 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The Rapid Synthesis of Very Pure Bis-Bromo-Methylsulfide without SolventBis-bromo-methyl sulfide is produced by the direct reaction of thioformaldehyde with elemental bromium. High quantities of the pure compound are obtained, when it is purified by distillation.
    Notes: Bis-brommethylsulfid entsteht bei der direkten Reaktion von Thioformaldehyd mit elementarem Brom. Bei der anschließenden Destillation erhält man die Verbindung in hohen Ausbeuten und in reiner Form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774370118
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  • 6
    Electronic Resource
    Electronic Resource
    Über einige neue Platin (II)- und Palladium (II)-Komplexe mit mehrfunktionellen Thioethern (1978)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 445 (1978), S. 167-174 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On Some New Coordination Compounds of Platinum (II) and Palladium (II) with Multidendate ThioethersA simple synthesis is given for the formation of seven trithioethers (partly already known). Their reactions with K2PtCl4 and K2PdCl4 lead to new co-ordination compounds. In eight cases soluble, ringshaped molecules with two metal-sulphur bonds were obtained, whereas in two other cases metal-nitrogen co-ordination leads to in soluble polymeric products.
    Notes: Nach einem einfachen Syntheseprinzip für teilweise schon früher bekannte Trithioether werden deren Umsetzungen mit K2PtCl4 und K2PdCl4 beschrieben. Sie führen in acht Fällen zu löslichen, ringförmigen Komplexverbindungen mit zwei Metall-Schwefel-Bindungen. Zwei weitere Verbindungen, die über Metall-Stickstoff-Bindungen koordiniert sind, sind unlösliche Polymere.
    Additional Material: 8 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19784450121
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  • 7
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    Boric acid-dependent decrease in regulatory histone H3 acetylation is not mutagenic in yeast (2016)
    Oxford University Press
    Details
    Publication Date: 2016-06-02
    Description: Candida albicans is a dimorphic yeast commonly found on human mucosal membranes that switches from yeast to hyphal morphology in response to environmental factors. The change to hyphal growth requires histone H3 modifications by the yeast-specific histone acetyltransferase Rtt109. In addition to its role in morphogenesis, Rtt109-dependent acetylation of histone H3 lysine residues 9 and 56 has regulatory functions during DNA replication and repair. Boric acid (BA) is a broad-spectrum agent that specifically inhibits C. albicans hyphal growth, locking the fungus in its harmless commensal yeast state. The present study characterizes the effect of BA on C. albicans histone acetylation in respect to specificity, time-course and significance. We demonstrate that sublethal concentrations of BA reduce H3K9/H3K56 acetylation, both on a basal level and in response to genotoxic stress. Acetylation at other selected histone sites were not affected by BA. qRT-PCR expression analysis of the DNA repair gene Rad51 indicated no elevated level of genotoxic stress during BA exposure. A forward-mutation analysis demonstrated the BA does not increase spontaneous or induced mutations . The findings suggest that DNA repair remains effective even when histone H3 acetylation decreases and dispels the notion that BA treatment impairs genome integrity in yeast.
    Keywords: Physiology & Biochemistry
    Print ISSN: 0378-1097
    Electronic ISSN: 1574-6968
    Topics: Biology
    Published by Oxford University Press
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  • 8
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    Quasimolecular electron promotion beyond the 1sσ and 2pπ channels in slow collisions of He^{2+} and He (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-11-03
    Description: Author(s): L. Ph. H. Schmidt, M. Schöffler, C. Goihl, T. Jahnke, H. Schmidt-Böcking, and R. Dörner The electron emission pattern of transfer ionization in collisions of H e 2 + with He was investigated for impact velocities between 0.53 a.u. and 0.77 a.u. (7 keV/u–15 keV/u) employing recoil-ion momentum spectroscopy. This process is known to be dominated by the promotion of the 2 p π quasimolecular or… [Phys. Rev. A 94, 052701] Published Wed Nov 02, 2016
    Keywords: Atomic and molecular collisions and interactions
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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