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  • 1
    ISSN: 0014-5793
    Keywords: HIV-1 reverse transcriptase ; RNase H ; Site-directed mutagenesis
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 75 (1997), S. 28-34 
    ISSN: 1432-1440
    Keywords: Key words Kaposi’s sarcoma ; Human herpes virus 8 ; Chemokines ; Spindle cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Patients suffering from the acquired immune deficiency syndrome (AIDS) have a 20000-fold increased risk of developing a severe form of Kaposi’s sarcoma (KS), a previously rare malignancy involving sharply defined nodular lesions of the skin and/or oral mucosa. Epidemiological evidence has long suggested that an infectious agent is the probable cause of KS. Recently sequences from a putative new herpesvirus have been found to be associated with KS in virtually 100% of the cases analyzed. The suspected etiological agent, a new human herpesvirus termed Kaposi’s sarcoma associated herpes virus (human herpes virus 8) has now been propagated in cell culture. This significant advance should form the basis for a detailed analysis of the pathogenetic mechanisms involved in the development of KS.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of thermal analysis and calorimetry 38 (1992), S. 665-671 
    ISSN: 1572-8943
    Keywords: alkaline earth hydroxide hydrate ; heat storage materials
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Entsprechend ihrer hohen spezifischen Schmelzenthalpie und dem Bereich der Schmelztemperaturen sind die Hydrate der Alkalierdmetallhydroxide Ba(OH)2·8H2O und Sr(OH)2·8H2O potentielle Umwandlungswärme-Speichersubstanzen. Die mittels DTA- und DSC-Methoden durchgeführten Untersuchungen des Schmelz- und Erstarrungsverhaltens von Sr(OH)2·8H2O und seinen Gemischen mit Ba(OH)2·8H2O in einem geschlossenen System und mit einer konstanten Makrozusammensetzung führen zu Feststellungen über die Schmelztemperatur und die spezifische Schmelzwärme in Abhängigkeit von der Konzentration. Eine theoretische Speicherdichte von 532 MJ/m3 konnte für das Gemische aus 80% Ba(OH)2·8H2O und 20% Sr(OH)2·8H2O und ein Wert von 655 MJ/m3 für Sr(OH)2·8H2O ermittelt werden. Die Kinetik der Rehydratation zu den Oktahydraten besitzt einen großen Einfluß auf die Speichertemperatur und die Speicherdichte.
    Notes: Abstract Owing to their high specific melting enthalpy and the range of the melting temperatures the alkaline-earth hydroxide hydrates Ba(OH)2·8H2O and Sr(OH)2·8H2O are promising latent heat storage materials. The investigations of the melting and solidification behaviour of Sr(OH)2·8H2O and its mixtures with Ba(OH)2·8H2O, which had been performed by means of DTA and DSC methods in the closed system with a constant gross composition lead to statements on the melting temperature and specific melting enthalpyvs. concentration. Theoretical storage densities of 532 MJ/m3 are obtained for the mixture of Ba(OH)2·8H2O and Sr(OH)2·8H2O (80/20) and a value of 655 MJ/m3 can be achieved for Sr(OH)2·8H2O. The kinetics of rehydration to the octahydrates has a great influence on the storage temperature and storage density.
    Type of Medium: Electronic Resource
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