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  • 1
    Electronic Resource
    Electronic Resource
    Modulation of muscarinic receptor-mediated adenylate cyclase and phospholipase C responses in rat retina (1991)
    Springer
    Cellular and molecular neurobiology 11 (1991), S. 455-462 
    Details
    ISSN: 1573-6830
    Keywords: muscarinic receptors ; adenylate cyclase ; cyclic AMP ; phosphoinositide hydrolysis ; phorbol esters ; pertussis toxin ; cholera toxin ; rat retina
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary 1. Agonist activation of rat retina muscarinic receptors results in suppression of cyclic AMP (cAMP) generation and enhanced phosphoinositide hydrolysis. 2. Pharmacological manipulations that elevate cAMP or stable analogues of cAMP attenuate the acetylcholine (ACh)-induced enhancement of phosphoinositide hydrolysis. We postulate that cross-talk between adenylate cyclase and phospholipase C signal transducing systems probably exists in rat retina, as has been described for other systems. 3. Intraocular administration of pertussis toxin attenuated the response of both adenylate cyclase and phospholipase C to muscarinic stimulation, suggesting that some retinal muscarinic receptors are apparently coupled to their effector systems via pertussis toxin sensitive G proteins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00734809
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  • 2
    Electronic Resource
    Electronic Resource
    The patch test for mixed formulations (1986)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 23 (1986), S. 1873-1883 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: This paper presents a simple extension of the patch test to mixed formulations to provide the necessary and sufficient conditions for convergence. The general algebraic conditions of Babuska and Brezzi are given a simple form and a conceptual application of the patch tests serves to point out the instability of several well known formulations for incompressible problems. The test is also applied to mixed displacement - strain formulations of elasticity, and limiting formulations are noted.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620231007
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    Paper (German National Licenses)
    Fulltext
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