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  • 1
    Electronic Resource
    Electronic Resource
    H2O2-Induced Conversion of Cytochrome c Oxidase Peroxy Complex to Oxoferryl State (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 550 (1988), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1988.tb35329.x
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  • 2
    Electronic Resource
    Electronic Resource
    Sleep and EEG spectra in the pigeon (Columba livia) under baseline conditions and after sleep deprivation (1988)
    Springer
    Journal of comparative physiology 163 (1988), S. 729-738 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Sleep in adult domestic pigeons was studied by continuous 24-h recording of the EEG, EMG and EOG. Vigilance states were scored on the basis of behavioral observations, visual scoring of the polygraph records, and EEG power spectra. The animals showed a clear nocturnal preference for sleep. Throughout the dark period, EEG slow-wave activity was at a uniform level, whereas REM sleep (REMS) showed an increasing trend. EEG power density values differed significantly between the vigilance states. In general the values were highest in nonREM sleep (NREMS), intermediate in waking (W) and lowest in REMS. Twenty-four hour sleep deprivation reduced W and increased REMS, effects that are well documented in mammals. Unlike in mammals, EEG slow-wave activity remained unchanged, whereas EOG activity in W and NREMS was enhanced.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00604050
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  • 3
    Electronic Resource
    Electronic Resource
    Interplasmidic illegitimate recombination in Bacillus subtilis (1988)
    Springer
    Molecular genetics and genomics 213 (1988), S. 465-470 
    Details
    ISSN: 1617-4623
    Keywords: Bacillus subtilis ; Illegitimate recombination ; Plasmid cointegrates
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The illegitimate recombination between Staphylococcus aureus plasmids pE194 (or pGG20, the hybrid between pE194 and Escherichia coli plasmid pBR322) and pBD17 (plasmid pUB110 without HpaII C-fragment) was studied in Bacillus subtilis. Cointegrates were generated with the frequency of 1–3x10-8. Among 22 hybrids analysed 9 types of recombinants were found. Nucleotide sequences of all three parental plasmids were involved in intermolecular recombination. Nucleotide sequencing of recombinant DNA junctions revealed that in 8 cases recombination occurred between short homologous regions (9–15 bp). One recombinant was formed using nonhomologous sites. The similarity was demonstrated between nucleotide sequences of the recombination sites of two types of cointegrates and those used for pE194 integration into the B. subtilis chromosome. Possible mechanisms of illegitimate recombination are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00339617
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  • 4
    Electronic Resource
    Electronic Resource
    Continuum electrostatics and hydration phenomena (1988)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 34 (1988), S. 103-118 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A formalism for a computational treatment of the polarization of a solvent and polar solutes immersed in it is presented. The solvent is modeled as a continuum dielectric. Polarization effects are represented by a polarization charge density at the dielectric boundaries and by induced dipoles at the polarizable atoms. Applications of this formalism with nonpolarizable atoms have led to excellent agreement between the calculated and experimental hydration enthalpies of a variety of polar molecules. A problem of the choice of the charge distribution of the solute is addressed in calculations of the solution dipole moment and hydration enthalpy of polarizable molecule of water in solution. Experimental values of these properties were well reproduced in calculations starting with point charges fitted to the vacuum dipole moment of the water molecule. Tests calculations for spherical models and for a 13-residue peptide show good convergence of the computational method. It is shown in calculations on simplified models that a change in the exposure of a charged side chain can lead to large changes in the potential inside protein measured at a fixed distance from the charge and at the same depth from the protein surface. Calculations performed for the C-peptide of the ribonuclease suggest that the differential screening of partial charges can reverse the sign of the vacuum potential of the helix dipole.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560340711
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  • 5
    Electronic Resource
    Electronic Resource
    An example of intense artifact peaks in mass analyzed ion kinetic energy spectra and their elucidation using an instrument of BEqQ configurationNRCC No. 28727. (1988)
    New York, NY : Wiley-Blackwell
    Rapid Communications in Mass Spectrometry 2 (1988), S. 79-83 
    Details
    ISSN: 0951-4198
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/rcm.1290020502
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  • 6
    Electronic Resource
    Electronic Resource
    Collisional activation at keV energies. An investigation of the internal energies of excited precursor ionsNRCC No. 29365. (1988)
    New York, NY : Wiley-Blackwell
    Rapid Communications in Mass Spectrometry 2 (1988), S. 224-228 
    Details
    ISSN: 0951-4198
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/rcm.1290021103
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    Paper (German National Licenses)
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