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  • 1985-1989  (6)
  • 1988  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Wave propagation in the Belousov-Zhabotinskii reaction depends on the nature of the catalyst (1988)
    Springer
    Naturwissenschaften 75 (1988), S. 87-89 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00368410
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Peptide neuroanatomy of adjuvant-induced arthritic inflammation in rat (1988)
    Springer
    Inflammation research 25 (1988), S. 255-259 
    Details
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The influence of adjuvant-induced arthritis of the rat on central and peripheral peptide neuroanatomy was investigated by immunohistochemistry. The most striking feature of arthritic rats was the differential intensification of neuronal proenkephalin- and prodynorphin-related staining in dorsal horn. Changes were ipsilateral in monoarthritic and bilateral in polyarthritic rats as compared to controls. Opioid responsive neurons were target of substance P (SP) and calcitonin gene-related peptide (CGRP) fibers. Changes of SP and CGRP predominated in peripheral inflamed tissue and consisted of intensified immunostaining and an apparent sprouting of sensory fibers particularly around venules, in the epidermis and in areas infiltrated by immunocompetent cells. Opioid staining was absent from primary afferents but present in some immune cells of inflamed tissue. Endogenous antinociceptive opioids and pro-nociceptive/pro-inflammatory SP and CGRP may be crucial in the concerted response of the neuroimmune system to chronic inflammatory pain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01965027
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Electric field induced conformational changes of bacteriorhodopsin in purple membrane films (1988)
    Springer
    European biophysics journal 15 (1988), S. 329-337 
    Details
    ISSN: 1432-1017
    Keywords: Bacteriorhodopsin ; blue membrane ; purple membrane films ; electric-field-induced states ; dielectric dispersion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract Electric field induced conformational changes of bacteriorhodopsin were studied in six types of dried film (randomly and electrically oriented membranes of purple as well as cation-depleted blue bacteriorhodopsin) by measuring the frequency dependence of the optical absorbance change and the dielectric dispersion and absorption. For the purple bacteriorhodopsin the optical absorbance change induced by alternating rectangular electric fields of ±300 kV/cm altered the sign twice in the frequency range from 0.001 Hz to 100 kHz (around 0.03 Hz and 100 kHz), indicating that the electric field induced conformational change in these samples consists of, at least, three steps. Similarly, it was found for the blue bacteriorhodopsin that at least two steps are involved. In accord with optical measurements, the dielectric behaviour due to alternating sinusoidal electric fields of±6kV/cm in the frequency range from 10 Hz to 10 MHz showed two broad dispersion/absorption regions, one below 1 kHz and the other around 10–100 kHz. This suggests that the conformational change of bacteriorhodopsin is also reflected by its dielectrical properties and that it is partially induced at 6 kV/cm. Including previous results obtained by analysis of the action of DC fields on purple membrane films, a model for a field-induced cyclic reaction for purple as well as blue bacteriorhodopsin is proposed. In addition it was found that there are electrical interactions among purple membrane fragments in dried films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00254720
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Suppression of humoral immune response against Herpes simplex virus induced by defective strains, ts- and TK− mutants (1988)
    Springer
    Archives of virology 99 (1988), S. 143-152 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Suppression of humoral antibody formation against HSV is not only induced by replicating Herpes simplex virus type 2 (HSV-2) but also by the defective strain ANG and the deletion mutant 1301 of Herpes simplex virus type 1 (HSV-1). Moreover, ts-mutants A, H, K, S, 1201 and 1208 of HSV-1 as well as some ts-mutants of HSV-2 and “defective-interfering” particles of HSV-1 after high multiplicity of infection-passages induced suppression. Treatment of infected mice with ACG reduced antibody-formation but did not result in suppression. UV-irradiation of the antibody producing strain Len of HSV-1 strongly reduces antibody formation and induces suppression. Experiments using a series of intertypic recombinants showed the suppressing activity to be spread over the whole genome of HSV-2. It is concluded that suppression is induced by more than one region of the genome of HSV-2 and by incomplete replication of HSV-1 and 2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01311065
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Radiolysis of polymers of chlorine methacrylates (1988)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 26 (1988), S. 2669-2681 
    Details
    ISSN: 0887-624X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Polymers of α-chloroacrylate (MCA), 1-chloroethyl methacrylate (1CEMA), 2-chloroethyl methacrylate (2CEMA), 2,2,2-trichloroethyl methacrylate (trCEMA) and 1,2,2,2-tetrachloroethyl methacrylate (teCEMA) were γ-irradiated at 77 K. The primary radicals were generated by the abstraction of chlorine. They decay or change into chain end radicals upon warming up to room temperature.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1988.080261004
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Strahlungsinitiierter Kettenabbau von Homo- und Copolymeren des 1,2,2,2-Tetrachlorethyl- und Methylmethacrylats (1988)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 39 (1988), S. 405-406 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1988.010390720
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    Paper (German National Licenses)
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