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  • American Association for the Advancement of Science (AAAS)  (2)
  • Springer Nature  (2)
  • Wiley-Blackwell  (1)
  • American Association of Petroleum Geologists (AAPG)
  • 1990-1994  (2)
  • 1985-1989  (2)
  • 1980-1984  (1)
Collection
Keywords
Publisher
Years
Year
  • 1
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    Sequence-selective recognition of DNA by strand displacement with a thymine-substituted polyamide (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-12-06
    Description: A polyamide nucleic acid (PNA) was designed by detaching the deoxyribose phosphate backbone of DNA in a computer model and replacing it with an achiral polyamide backbone. On the basis of this model, oligomers consisting of thymine-linked aminoethylglycyl units were prepared. These oligomers recognize their complementary target in double-stranded DNA by strand displacement. The displacement is made possible by the extraordinarily high stability of the PNA-DNA hybrids. The results show that the backbone of DNA can be replaced by a polyamide, with the resulting oligomer retaining base-specific hybridization.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nielsen, P E -- Egholm, M -- Berg, R H -- Buchardt, O -- New York, N.Y. -- Science. 1991 Dec 6;254(5037):1497-500.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry B, Panum Institute, Copenhagen, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1962210" target="_blank"〉PubMed〈/a〉
    Keywords: Base Sequence ; Molecular Sequence Data ; Molecular Structure ; Nylons/*chemistry ; Oligonucleotides/*chemistry ; Photochemistry ; Thermodynamics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Lateral isotopic discontinuity in the lower crust: an example from antarctica (1987)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1987-09-04
    Description: The lower continental crust is one of the least known variables in the crust-mantle evolutionary equation. In order to study the nature and compositional heterogeneity of the lower crust, more than 20 inclusions of lower crustal granulites in volcanic rocks from the McMurdo Sound region of Antarctica were analyzed for strontium and oxygen isotopes. These inclusions were erupted from volcanic centers covering an area of 12,000 square kilometers. Along with results from analyses of major and trace elements, the isotopic data reveal a profound discontinuity in the composition and probably the age of the lower crust that coincides with the boundary between the Transantarctic Mountains and the Ross Embayment. Although this topographic boundary between East and West Antarctica is largely a Cenozoic development, which apparently reflects a simple subvertical faulting relationship due to crustal rifting, the isotopic differences in the lower crust across the boundary suggest that the current faulting and rifting may coincide with an older crustal suture, the age of which is uncertain.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kalamarides, R I -- Berg, J H -- Hank, R A -- New York, N.Y. -- Science. 1987 Sep 4;237(4819):1192-5.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17801643" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
    Electronic Resource
    Electronic Resource
    Startup of an industrial adiabatic tubular reactor (1992)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 38 (1992), S. 1871-1880 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The dynamic behaviour of an adiabatic tubular plant reactor during the startup is demonstrated, together with the impact of a feed-pump failure of one of the reactants. A dynamic model of the reactor system is presented, and the system response is calculated as a function of experimentally-determined, time-dependent, manipulated variables. The values of model parameters are estimated by using the SimuSolv (1991) computer program. The data set collected during the reactor start-up is used for the parameter estimation procedure. An excellent agreement is obtained between the experimental and the calculated system response. Many continuously-operated commercial reactors require a complete conversion of one of the main reactants at the reactor exit. It is shown that for an industrial tubular reactor a much higher initial reactor temperature is required during the startup, compared to the reactor inlet temperature during normal steady-state operation, to ensure a complete reactant conversion. Much more research is necessary to determine whether this is a generally valid rule.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690381204
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  • 4
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    Electrochemical reduction pathways of anthracycline antibiotics. (1982)
    Springer Nature
    Details
    Publication Date: 1982-01-01
    Print ISSN: 0021-8820
    Electronic ISSN: 1881-1469
    Topics: Chemistry and Pharmacology , Medicine
    Published by Springer Nature
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  • 5
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    Transducing proteins: Chemotaxis gene unveiled (1986)
    Springer Nature
    Details
    Publication Date: 1986-05-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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