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  • Articles  (15)
  • Chemistry  (7)
  • Fundamental concepts  (6)
  • *Signal Transduction/radiation effects  (1)
  • ARTICLES  (1)
  • Acetylation  (1)
  • Adenosine Triphosphatases/metabolism  (1)
  • Aircraft Propulsion and Power
  • 2010-2014  (8)
  • 1975-1979  (7)
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  • 1
    Electronic Resource
    Electronic Resource
    Orientation of propylene units in polypropylene and ethylene/propylene copolymers (1975)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 176 (1975), S. 1121-1128 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Äthylen-Propylen Copolymere, die mit spezifisch syndiotaktischen Katalysatoren dargestellt werden, enthalten sowohl Kopf-Schwanz als auch Schwanz-Kopf orientierte Propyleneinheiten. Daher ist diese Copolymerisation eigentlich eine Terpolymerisation und die einfache Propylenpolymerisation eine binäre Copolymerisation.Die sich daraus für die Kinetik der Polymerisation und Copolymerisation ergebenden Konsequenzen werden untersucht.
    Notes: Ethylene-propylene copolymers prepared with syndiotactic specific catalysts contain both head-to-tail and tail-to-head oriented propylene units. Consequently, this copolymerization is, actually, a terpolymerization, and the propylene polymerization is a binary copolymerization.The consequences of this fact on the kinetics of polymerization and copolymerization are considered.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1975.021760419
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  • 2
    Electronic Resource
    Electronic Resource
    Properties of solution grown crystals of aliphatic polyesters with variable amount of double bonds along the chain (1979)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 180 (1979), S. 1023-1035 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: In order to elucidate the relations between morphological habits, thermal behaviour and chemical structure of polymers, aliphatic polyesters with variable amount of trans-double bonds along the backbone chain were crystallized from dilute solutions in 1-propanol and 1-butanol. The crystals were studied with electron microscopy, differential scanning calorimetry, and wide angle X-ray diffraction. The morphology of solution grown single crystals and some thermodynamic quantities such as the equilibrium dissolution and melting temperature and the enthalpy and entropy of fusion are influenced by the percentage of unsaturated comonomer. The thermal behaviour and the X-ray diffraction of these crystals suggest that saturated and unsaturated repeating units are able to cocrystallize.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1979.021800419
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  • 3
    Electronic Resource
    Electronic Resource
    Glass transition temperature of linear saturated and unsaturated polyesters (1979)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 180 (1979), S. 1037-1040 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: In the present paper we have investigated the role that the presence of trans double bonds plays on the glass transition temperature of linear polyesters. Experimental data indicate that the glass transition temperature is increased by an increase of the unsaturation concentration. The effect is not drastic but it is well detectable. This result is discussed taking into account the chain microstructure and the bulk structure effects.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1979.021800420
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  • 4
    Electronic Resource
    Electronic Resource
    Dynamic mechanical behaviour of linear polyamides with different degree of unsaturation in the chain (1978)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 179 (1978), S. 201-207 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The dynamic mechanical behaviour of polyamide systems containing different degrees of unsaturation was analyzed. The results do not show any simple relation between unsaturation and mechanical response. Particular attention was given to the α-transition, that is a glass transition, and experimental data suggest that the generally accepted mechanism for this transition requires a more extensive study.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1978.021790120
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  • 5
    Electronic Resource
    Electronic Resource
    Viscoelastic spectra of ethylene/propylene copolymers obtained with catalytic systems having a different steric regulation (1978)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 179 (1978), S. 1609-1616 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The dynamic mechanical properties of ethylene/propylene copolymers prepared by soluble catalysts based on vanadium salts and alkylaluminium compounds were investigated. The properties of the copolymers were found to depend not only on the chemical composition, but also on the polymerization temperature and on the stereoregulating character of the catalyst. The mechanistic implications of these findings are discussed.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1978.021790620
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  • 6
    Electronic Resource
    Electronic Resource
    Kinetics of alcohol fermentation at high yeast levels (1979)
    New York, NY [u.a.] : Wiley-Blackwell
    Biotechnology and Bioengineering 21 (1979), S. 1477-1482 
    Details
    ISSN: 0006-3592
    Keywords: Chemistry ; Biochemistry and Biotechnology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bit.260210814
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  • 7
    Electronic Resource
    Electronic Resource
    Reactivity of vinyl ketones in free radical copolymerization with methyl methacrylate and vinyl acetate (1977)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 62 (1977), S. 85-90 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Reaktivität verschiedener monomerer Vinylketone bei der radikalischen Copolymerisation mit Methylmethacrylat und Vinylacetat wurden auf der Basis der Taft-Gleichung untersucht. Es ergab sich, daß die relative Reaktivität der Vinylketonmonomeren mit zunehmender Elektronegativität der Substituenten der verschiedenen Vinylketone steigt. Polare und sterische Effekte beeinflussen die Reaktivität nicht.
    Notes: The reactivity of some monomer vinyl ketones in the radical copolymerization with methyl methacrylate and vinyl acetate was studied on the basis of the Taft equation. It was concluded that the relative reactivities of the vinyl ketones in radical reactions increase with increasing electron-withdrawing nature of the vinyl ketone substituent. Polar and steric effects do not affect the reactivity.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1977.050620107
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  • 8
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    Unified view of correlations using the square-norm distance (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-03-06
    Description: Author(s): Bruno Bellomo, Gian Luca Giorgi, Fernando Galve, Rosario Lo Franco, Giuseppe Compagno, and Roberta Zambrini The distance between a quantum state and its closest state not having a certain property has been used to quantify the amount of correlations corresponding to that property. This approach allows a unified view of the various kinds of correlations present in a quantum system. In particular, using rel... [Phys. Rev. A 85, 032104] Published Mon Mar 05, 2012
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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  • 9
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    Polarimetric measurements of single-photon geometric phases (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-01-25
    Description: Author(s): O. Ortíz, Y. Yugra, A. Rosario, J. C. Sihuincha, J. C. Loredo, M. V. Andrés, and F. De Zela We report polarimetric measurements of geometric phases that are generated by evolving polarized photons along nongeodesic trajectories on the Poincaré sphere. The core of our polarimetric array consists of seven wave plates that are traversed by a single-photon beam. With this array, any SU(2) tran... [Phys. Rev. A 89, 012124] Published Fri Jan 24, 2014
    Keywords: Fundamental concepts
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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  • 10
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    The bromodomain protein Brd4 insulates chromatin from DNA damage signalling (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-06-04
    Description: DNA damage activates a signalling network that blocks cell-cycle progression, recruits DNA repair factors and/or triggers senescence or programmed cell death. Alterations in chromatin structure are implicated in the initiation and propagation of the DNA damage response. Here we further investigate the role of chromatin structure in the DNA damage response by monitoring ionizing-radiation-induced signalling and response events with a high-content multiplex RNA-mediated interference screen of chromatin-modifying and -interacting genes. We discover that an isoform of Brd4, a bromodomain and extra-terminal (BET) family member, functions as an endogenous inhibitor of DNA damage response signalling by recruiting the condensin II chromatin remodelling complex to acetylated histones through bromodomain interactions. Loss of this isoform results in relaxed chromatin structure, rapid cell-cycle checkpoint recovery and enhanced survival after irradiation, whereas functional gain of this isoform compacted chromatin, attenuated DNA damage response signalling and enhanced radiation-induced lethality. These data implicate Brd4, previously known for its role in transcriptional control, as an insulator of chromatin that can modulate the signalling response to DNA damage.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3683358/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3683358/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Floyd, Scott R -- Pacold, Michael E -- Huang, Qiuying -- Clarke, Scott M -- Lam, Fred C -- Cannell, Ian G -- Bryson, Bryan D -- Rameseder, Jonathan -- Lee, Michael J -- Blake, Emily J -- Fydrych, Anna -- Ho, Richard -- Greenberger, Benjamin A -- Chen, Grace C -- Maffa, Amanda -- Del Rosario, Amanda M -- Root, David E -- Carpenter, Anne E -- Hahn, William C -- Sabatini, David M -- Chen, Clark C -- White, Forest M -- Bradner, James E -- Yaffe, Michael B -- 1-U54-CA112967-04/CA/NCI NIH HHS/ -- ES-002109/ES/NIEHS NIH HHS/ -- P30 CA014051/CA/NCI NIH HHS/ -- P30 ES002109/ES/NIEHS NIH HHS/ -- P30-CA14051/CA/NCI NIH HHS/ -- R01 ES015339/ES/NIEHS NIH HHS/ -- R01-ES15339/ES/NIEHS NIH HHS/ -- R21 CA109661/CA/NCI NIH HHS/ -- R21 NS063917/NS/NINDS NIH HHS/ -- R21-NS063917/NS/NINDS NIH HHS/ -- U54 CA112967/CA/NCI NIH HHS/ -- England -- Nature. 2013 Jun 13;498(7453):246-50. doi: 10.1038/nature12147. Epub 2013 Jun 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23728299" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylation ; Adenosine Triphosphatases/metabolism ; Cell Cycle Checkpoints/radiation effects ; Cell Line, Tumor ; Cell Survival/radiation effects ; Chromatin/chemistry/*metabolism/radiation effects ; *Chromatin Assembly and Disassembly/radiation effects ; *DNA Damage ; DNA Repair/radiation effects ; DNA-Binding Proteins/metabolism ; Histones/chemistry/metabolism ; Humans ; Lysine/chemistry/metabolism ; Multiprotein Complexes/metabolism ; Nuclear Proteins/chemistry/deficiency/genetics/*metabolism ; Phosphorylation/radiation effects ; Positive Transcriptional Elongation Factor B/metabolism ; Protein Isoforms/metabolism ; Radiation, Ionizing ; *Signal Transduction/radiation effects ; Transcription Factors/chemistry/deficiency/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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