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  • 1
    Electronic Resource
    Electronic Resource
    Conductance and ion association in dimethylsulfite (1986)
    Springer
    Journal of solution chemistry 15 (1986), S. 663-673 
    Details
    ISSN: 1572-8927
    Keywords: Conductivities ; Ion association ; 1∶1 electrolytes ; acetone ; dimethylsulfite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The electrolytic conductances of LiClO4, LiAsF6, NaClO4 and the n-butylammonium salts Bu4NCl, Bu4NClO4, and Bu4NBPh4 (tetraphenylborate) have been determined in dimethylsufite at 25°C. Ion association constants calculated from these data are interpreted in terms of solvent-separated ion pairs (for LiClO4, LiAsF6, and NaClO4), and contact ion pairs (for the n-butyl-ammonium salts). Comparisons are made for analogous electrolytes in acetone, and in which all salts form contact ion pairs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644598
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Conductance of 1:1 electrolytes in methyl formate (1987)
    Springer
    Journal of solution chemistry 16 (1987), S. 225-235 
    Details
    ISSN: 1572-8927
    Keywords: Conductivities ; 1:1 electrolytes ; methyl formate ; ion pairs ; triple ions ; ion solvation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The electrolytic conductivities of LiClO4, LiAlCl4, LiAsF6, NaClO4, NaBPh4, and Bu4NClO4 have been measured in methyl formate at 25°C. Evidence is presented for strong association between the perchlorate ion and the formyl proton of the solvent. Ion association and triple ion formation constants suggest that LiClO4, LiAlCl4, and NaClO4 form solvent separate ion pairs and triple ions. NaBPh4 forms contact ion pairs and triple ions, and the remaining salts appear to form both types of ion pairs and triple ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00646988
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Pharmacokinetic/pharmacodynamic interactions of intensive cyclophosphamide, cisplatin, and BCNU in patients with breast cancer (1993)
    Springer
    Breast cancer research and treatment 26 (1993), S. S11 
    Details
    ISSN: 1573-7217
    Keywords: autologous hematopoietic cell support ; BCNU ; breast cancer ; carboplatin ; cisplatin ; cyclophosphamide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Combinations of alkylating agents in intensive doses with autologous hematopoietic cell support (AHCS) are commonly used to treat advanced, solid tumors. Relatively little is known about the pharmacokinetic or pharmacodynamic aspects of their use. The cyclophosphamide, cisplatin, and BCNU (CPA/cDDP/BCNU) regimen is often used in patients with breast cancer. In these individuals, the blood levels of BCNU vary by more than tenfold. In rats given BCNU, the blood level variability is associated with cisplatin pretreatment, and mean levels are much higher than those that occur when cisplatin pretreatment is omitted. These observations suggest that a major elimination pathway for BCNU is metabolic and is subject to cisplatin disruption. Between 30–50% of patients receiving the CPA/cDDP/BCNU regimen experience a steroid-responsive pulmonary injury that can be fatal if untreated. Blood levels of BCNU are positively correlated with the risk of pulmonary injury in these patients. Others have demonstrated that blood levels of CPA can be inversely correlated with the likelihood of cardiac toxicity and 2-year, relapse-free survival in patients with breast cancer. Emerging data suggest that circulating drug levels, rather than the calculated dose, best explain the variability of outcome in patients treated with combination alkylating agents and AHCS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00668355
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  • 4
    Electronic Resource
    Electronic Resource
    Measurements ofn−p correlations in the reaction of relativistic neon with uranium (1986)
    Springer
    The European physical journal 323 (1986), S. 391-398 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Np
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report a preliminary measurement of coincident neutron-proton pairs emitted at 45° in the interaction of 400, 530, and 650 MeV/A neon beams incident on uranium. Charged particles were identified by time of flight and momentum, as determined in a magnetic spectrometer. Neutral particles were detected using a thick plastic scintillator, and their time of flight was measured between an entrance scintillator, triggered by a charged particle, and the neutron detector. The scatter plots and contour plots of neutron momentum vs. proton momentum appear to show a slight correlation ridge above an uncorrelated background. The projections of this plane on then-p momentum difference axis are essentially flat, showing a one standard deviation enhancement for each of the three beams energies. At each beam energy, the calculated momentum correlation function for the neutron-proton pairs is enhanced near zero neutron-proton momentum difference by approximately one standard deviation over the expected value for no correlation. This enhancement is expected to occur as a consequence of the attractive final state interaction between the neutron and proton (i.e., virtual or “singlet” deuterons). The implications of these measurements are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01313520
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    Paper (German National Licenses)
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