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  • 1
    Electronic Resource
    Electronic Resource
    LOSS OF CALCIUM ACCUMULATING ABILITY IN THE SARCOPLASMIC RETICULUM FOLLOWING DEGRADATION BY CATHEPSINS (1974)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 39 (1974), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1974.tb00980.x
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  • 2
    Electronic Resource
    Electronic Resource
    Nuclear fission modes and fragment mass asymmetries in a five-dimensional deformation space (2001)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 409 (2001), S. 785-790 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Nuclei undergoing fission can be described by a multi-dimensional potential-energy surface that guides the nuclear shape evolution—from the ground state, through intermediate saddle points and finally to the configurations of separated fission fragments. Until now, calculations have lacked ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35057204
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  • 3
    Electronic Resource
    Electronic Resource
    Primary gastric apoptosis-rich T-cell lymphoma co-expressing CD4, CD8, and cytotoxic molecules (2000)
    Springer
    Virchows Archiv 436 (2000), S. 357-364 
    Details
    ISSN: 1432-2307
    Keywords: Key words Clinical course ; Immunohistochemistry ; Morphology ; Primary gastric T-cell lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  In contrast to primary gastric lymphomas of B-cell type, little is known about primary gastric T-cell lymphomas. We describe three cases with remarkably similar features: diffuse growth, epitheliotropism, medium too large cell size, high apoptotic rates, and a CD3+, CD4+, CD8+, CD45RO+ immunophenotype. Clonal TCRγ gene rearrangement was shown in two cases. Epstein-Barr virus infection was excluded in two cases. Taking advantage of fresh-frozen material, we analyzed two cases further, revealing CD5–, CD16+, CD56–, CD57–, CD25+, CD30+, CD103 (αEβ7)+, bcl-2 protein+, CD95+, CD95 ligand(L)–. CD95L, however, was detected in histiocytic and fibroblastoid by stander cells. The lymphomas expressed granzyme B, perforin, and the TIA-1 antigen in various combinations. All three cases had a very unfavorable clinical course characterized by local recurrence and/or dissemination to other epithelial sites, leading to death within 6–12 months after the initial diagnosis despite surgery and aggressive antineoplastic treatment. These data suggest a novel variant of peripheral T-cell lymphoma operationally characterized as primary gastric, apoptosis-rich, CD103+, EBV-, T-cell lymphoma co-expressing CD4, CD8, CD16 and cytotoxic molecules.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004280050459
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  • 4
    Electronic Resource
    Electronic Resource
    The ATM gene in the pathogenesis of mantle-cell lymphoma (2000)
    Springer
    Annals of oncology 11 (2000), S. 127-130 
    Details
    ISSN: 1569-8041
    Keywords: 11q22–q23 deletion ; ataxia-telangiectasia ; ATM ; mantle-cell lymphoma ; tumor suppressor gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Mantle-cell lymphoma (MCL) is geneticallycharacterized by the translocation t(11;14)(q13;q32) leading to anoverexpression of cyclin-D1, but additional chromosomal abnormalities appearto be required for MCL pathogenesis. Patients and methods:Deletions involving chromosome 11q, whichwere recently found as recurrent aberrations in MCL, were analyzed at themolecular level in a series of 81 MCL by fluorescence in situhybridization (FISH) with probes from a contiguous set of yeastartificial chromosomes (YACs) spanning bands 11q14–q24. Results and conclusions:Loss of chromosome 11 material wasobserved in 37 of the 81 MCL cases (46%). The consensus deletioncomprised YAC 801e11 containing the ATMgene. The minimal region ofloss was further narrowed with P1–derived artificial chromosome (PAC) probes.This allowed the identification of a deletion confined to the genomic regionof ATM, which, together with intragenic mutations found in the codingsequence, suggests a role of ATMas a tumor suppressor gene in MCL.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1008315003377
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  • 5
    Electronic Resource
    Electronic Resource
    Massenspektrometrische Multielement-Analyse von anorganischen Proben in Graphit- und Silber-Pulverelektroden (1974)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 271 (1974), S. 1-6 
    Details
    ISSN: 1618-2650
    Keywords: Analyse von Anorgan. Material ; Massenspektrometrie ; Funkenionen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Von 32 Elementen wurden im Konzentrationsbereich 1–104ppm (Elementmasse/Elektrodenmasse) relative Empfindlichkeitsfaktoren (REF) für die funkenmassenspektrometrische Multielementanalyse bestimmt. Als leitendes Elektrodenmaterial wurde Graphit- und Silberpulver verwendet. Für zwei Drittel der untersuchten Elemente wurde eine Konzentrationsabhängigkeit der REF gefunden, die durch eine temperaturabhängige Verdampfung und dadurch bedingte Verarmung in der Elektrodenoberfläche erklärt wird. Für die REF in Silber-Pulverelektroden wurden im allgemeinen höhere Werte bei niedrigeren Abfunkzeiten als in Graphitelektroden gefunden. Daraus ergibt sich, daß trotz größerer Inhomogenitäten in der Elektrode im Konzentrationsbereich 〈103 ppm günstiger mit Silberpulver gearbeitet wird.
    Notes: Abstract Relative sensitivity factors (RSF) of 32 elements in the concentration range 1–104 ppm (mass of element/ mass of electrode) have been determined for spark source mass spectrometric analysis. Graphite and silver powder was used as conductive material. The RSF of about two thirds of the elements under investigation were found to be dependent on their concentration in the electrodes. This is thought to be due to volatilization at high temperatures whereby the concentration of these elements at the electrode surfaces is diminished. In general RSF's at silver powder electrodes are higher and necessary sparking times are shorter than those at graphite electrodes. Therefore the use of silver powder for determinations of concentrations 〈103 ppm is advantageous although experimental results show greater scatter due to inhomogeneity of the electrode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00437481
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  • 6
    Electronic Resource
    Electronic Resource
    New states in heavy Cd isotopes and evidence for weakening of the N = 82 shell structure (2000)
    Springer
    The European physical journal 9 (2000), S. 201-206 
    Details
    ISSN: 1434-601X
    Keywords: PACS. 27.60.+j 90≤A≤149 – 23.20.Lv Gamma transitions and level energies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: A chemically selective laser ion source has been used in a β-decay study of heavy Ag isotopes into even-even Cd nuclides. Gamma-spectroscopic techniques in time-resolving event-by-event and multiscaling modes have permitted the identification of the first 2+ and 4+ levels in 126Cd78, 128Cd80, and tentatively the 2+ state in 130Cd82. From a comparison of these new states in 48Cd with the E(2+) and E(4+)/E(2+) level systematics of 46Pd and 52Te isotopes and several recent model predictions, possible evidence for a weakening of the spherical N = 82 neutron-shell below double-magic 132Sn is obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500070038
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  • 7
    Electronic Resource
    Electronic Resource
    Funkenquellen-massenspektrometrische Analyse des NBS-SRM 610 (3 mm) Standards (1974)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 269 (1974), S. 121-121 
    Details
    ISSN: 1618-2650
    Keywords: Analyse von Glas ; Massenspektrometrie ; Funkenquelle, NBS-SRM 610 Standard, 25 Elemente
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00424686
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  • 8
    Electronic Resource
    Electronic Resource
    Massenspektrometrische Multielementanalyse von Carrara-Marmor (1973)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 267 (1973), S. 186-188 
    Details
    ISSN: 1618-2650
    Keywords: Analyse von Marmor ; Massenspektrometrie ; Funkenionen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Für Vergleichszwecke wurden Spurenelemente in Carrara-Marmor nach Überführung des Carbonats in ein Oxid bzw. Fluorid bestimmt. Unter Verwendung von experimentell ermittelten relativen Empfindlichkeitsfaktoren für Oxid- bzw. Fluorid-Systeme wurden Konzentrationen für die Elemente Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, As, Rb, Sr, Y, Ba und Ce gefunden, die vom gemeinsamen Mittelwert der Oxid- und Fluorid-Bestimmungen um 〈 20% abweichen.
    Notes: Abstract A comparative study of the oxide and the fluoride system in spark source mass spectrometric analysis was made on a sample of marble from Carrara. Two splits of this carbonate were converted into oxide and fluoride and using experimental relative sensitive factors characteristic for the oxide and fluoride systems, the elements Mg, Al, Ti, V, Cr, Mn, Fe, Ni, Cu, As, Rb, Sr, Y, Ba and Ce in these two splits were determined. The deviation of the average analytical results obtained on these two systems from their mean was 〈 20%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00428525
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  • 9
    Electronic Resource
    Electronic Resource
    Oberflächenzusammensetzung, Löslichkeit und Ionenaktivitätsprodukt von Calcit in fremdionenhaltigen Lösungen (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 410 (1974), S. 165-178 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Surface Composition, Solubility, and the Ion Activity Product of Calcite in Solutions with Auxiliary IonsUsing the method of simultaneous ion and isotope exchange the chemical composition of the surface layer of calcite powder in equilibrium with solutions of varying Me/Ca molar ratios is determined (Me = Mg2+, Co2+, Ni2+, and Fe2+ ions). The ion exchange isotherms show a marked bend in the surface reactivity when a surface molar ration of ∼1 and ∼3 is reached. The solubility of calcite initially decreases on the addition of Co2+ or Ni2+ ions to the solution whereas it increases in the presence of Mg2+ or Fe2+ ions. The activity product of the pseudo compound, CaxMe(1-x)CO3, decreases in the Ni2+, Co2+ or Fe2+ exchange experiments, however, it increases considerably in those with Mg2+ ions.
    Notes: Mit der Methode des gleichzeitigen Ionen- und Isotopenaustausches wird die chemische Zusammensetzung der Oberfläche eines Calcitpulvers im Gleichgewicht mit Lösungen verschiedener Me/Ca- Verhältnisse bestimmt (Me = Mg2+, Co2+, Ni2+, Fe2+). Alle Austauschisothermen zeigen eine deutliche Änderung der Oberflächenreaktivität, wenn eine Zusammensetzung auf der Oberfläche von (Me/Ca)Obfl.∼1 und ∼3 erreicht wird. Die Löslichkeit des Calcits nimmt anfänglich bei Zugabe von Co2+ oder Ni2+ ab, während sie bei Mg2+ oder Fe2+ im ganzen Bereich der Untersuchung zunimmt. Das Ionenaktivitätsprodukt für die „Pseudoverbindung“ in der Oberfläche nimmt in den Ni2+-, Co2+- und Fe2+-Austauschexperimenten ab, in Gegenwart von Mg2+-Ionen jedoch zu.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744100210
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