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  • 1
    Electronic Resource
    Electronic Resource
    Asymmetric distribution and down-regulation of the muscarinic acetylcholine receptor in rat cerebral cortex (1993)
    Springer
    Neurochemical research 18 (1993), S. 565-572 
    Details
    ISSN: 1573-6903
    Keywords: Brain asymmetry ; muscarinic receptor distribution ; muscarinic receptor subtypes ; cholinergic receptor regulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The distribution and down-regulation of the muscarinic acetylcholine receptor (mAChR) were studied in dissociated cells from right (RCC) and left (LCC) cerebral cortex. For this purpose [3H]quinuclidinyl benzilate (QNB) and [3H]pirenzepine (Pz), two muscarinic antagonists, were used. The mAChR binding sites detected with [3H]QNB were asymmetrically distributed between the two hemispheres, the majority being found in the RCC. Asymmetry was also evident in the distribution of the mAChR subtypes (M1 and M2) detected with [3H]Pz. Under basal conditions the RCC had roughly 50% more M1 subtype than the LCC. The pharmacological and kinetic parameters were similar for both antagonists in RCC and LCC, indicating that the observed lateralization was due to a different density of the receptor rather than to different kinetics of binding of the two radioligands. After sustained stimulation with the agonist carbamoylcholine, the receptor sites detected with [3H]Pz, i.e. the M1 subtype of mAChR, decreased at a higher rate in the RCC (44%) than in the LCC (25% of controls), demonstrating that the down-regulation process is more active in the right than in the left cortex, and thus implying that there is better coupling between the stimulated mAChR and its effector system in the former.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00966932
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optimisation of the electrochemical bath for growing device-quality CuInSe2 thin films (1998)
    New York, NY [u.a.] : Wiley-Blackwell
    Advanced Materials for Optics and Electronics 8 (1998), S. 1-8 
    Details
    ISSN: 1057-9257
    Keywords: electrodeposition ; copper-indium-selenide ; thin films ; layer-by-layer deposition ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: The electrochemical bath used for growing device-quality CIS (CuInSe2) thin films by co-deposition as well as layer-by-layer (LBL) deposition was characterised and optimised with respect to the film properties. The bath composition was varied by changing the Cu, In and Se ion concentrations in specific ratios in both co-deposition and LBL deposition. The film properties were analysed using techniques such as SEM (scanning electron microscopy), EPMA (electron probe microanalysis), AES (Auger electron spectroscopy) and XRD (X-ray diffraction). The structural, morphological and compositional properties of the films were characterised and their variation is attributed to the bath composition and growth conditions. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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