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  • 1
    Electronic Resource
    Electronic Resource
    Tubulin and Glial Fibrillary Acidic Protein Gene Expression in Developing Fetal Human Brain at Midgestation (1999)
    Springer
    Neurochemical research 24 (1999), S. 637-641 
    Details
    ISSN: 1573-6903
    Keywords: Tubulin ; glial fibrillary acidic protein ; gene expression ; human fetal brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Developmental alterations in the expression of glial fibrillary acidic protein (GFAP) and α-tubulin were examined at the level of mRNA and protein in human fetal brain between weeks 13–23 of gestation. Except for a transient increase at week 15, GFAP expression in the cytoskeletal (CSK) fraction was low until week 17, when it increased steadily to week 23, corresponding to the phase of glial proliferation. The developmental profile of α-tubulin in the CSK fraction displayed a biphasic pattern, with an initial rise between weeks 13–16 coinciding with the early phase of neuroblast multiplication, and a second rise between weeks 17–23 corresponding to the phase of glial proliferation. No significant difference in the spatial distribution of α-tubulin was found in different region of brain but GFAP expression varied with a higher level in cerebellum than that in cerebrum at late midgestation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1021096224161
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  • 2
    Electronic Resource
    Electronic Resource
    Tunneling dynamics of one- and two-dimensional cubic oscillators with randomly fluctuating harmonic force constants: A numerical experiment This paper is dedicated to Professor Mihir Chowdhury on the occasion of his 60th birthday. (1997)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 64 (1997), S. 403-409 
    Details
    ISSN: 0020-7608
    Keywords: tunneling dynamics ; tunneling through fluctuating barrier ; tunneling rate ; time-dependent cubic oscillator ; random cubic oscillator ; Chemistry ; Theoretical, Physical and Computational Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The tunneling dynamics of one- and two-dimensional cubic oscillators having randomly fluctuating harmonic force constants (Kt) are studied numerically by invoking the time-dependent Fourier grid Hamiltonian method. The influence of the frequency and strength of the fluctuation on the tunneling probability and tunneling rate is analyzed. The predicted nature of the influence depends upon whether the cubic oscillator is one- or two-dimensional. The possibility of mapping the proton-transfer systems onto the present model is explored.   © 1997 John Wiley & Sons, Inc. Int J Quant Chem 64: 403-409, 1997
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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