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  • Electronic Resource  (19)
  • Inorganic Chemistry  (12)
  • Myosin light chain kinase  (3)
  • Skinned coronary arteries  (2)
  • [abr] I-AIS,; Insulin-anti-Insulin serum  (2)
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Material
  • Electronic Resource  (19)
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Studies on urea synthesis, insulin degradation and phagocytosis by isolated rat kupffer cells
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 72 (1976), S. 448-455 
    Details
    ISSN: 0006-291X
    Keywords: [abr] I-AIS,; Insulin-anti-Insulin serum
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(76)80063-0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The calmodulin fraction responsible for contraction in an intestinal smooth muscle
    Amsterdam : Elsevier
    FEBS Letters 170 (1984), S. 383-386 
    Details
    ISSN: 0014-5793
    Keywords: Calmodulin ; Contraction control ; Myosin light chain kinase ; Smooth muscle ; Taenia coli
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(84)81349-6
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  • 3
    Electronic Resource
    Electronic Resource
    The influence of P-light chain phosphorylation by myosin light chain kinase on the calcium sensitivity of chemically skinned heart fibres
    Amsterdam : Elsevier
    FEBS Letters 189 (1985), S. 221-224 
    Details
    ISSN: 0014-5793
    Keywords: Chemically skinned heart fibre ; Myosin light chain kinase ; P-light chain ; Phosphorylation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0014-5793(85)81027-9
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Studies on urea synthesis, insulin degradation and phagocytosis by isolated rat kupffer cells
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 72 (1976), S. 448-455 
    Details
    ISSN: 0006-291X
    Keywords: [abr] I-AIS,; Insulin-anti-Insulin serum
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/S0006-291X(76)80063-0
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of calcium-antagonist and calmodulin-antagonist drugs on calmodulin-dependent contractions of chemically skinned vascular smooth muscle from rabbit renal arteries (1983)
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 323 (1983), S. 85-89 
    Details
    ISSN: 1432-1912
    Keywords: Myosin light chain kinase ; Vasodilator drugs ; Fendiline ; Nifedipine ; Verapamil
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 1. Renal arteries from rabbits were chemically skinned by incubation with Triton X-100, and subsequently stored in buffered glycerol. 2. In the presence of Mg-ATP, of EGTA-buffered calcium, and of calmodulin, miniature strips of the skinned arteries developed tension the strength of which was approx. 15–20% of that of viable renal arteries. 3. Tension development was dependent on the concentration of both calcium and calmodulin. 4. The effect of eight vasodilator drugs, the majority of them being “calmodulin antagonists” or “calcium antagonists”, on the skinned arteries was assessed. In concentrations up to 10−3 M, verapamil, D-600, and hydralazine proved to be ineffective, and the same was found with the dihydropyridine derivatives, nifedipine and felodipine, at 0.6×10−3 M and 0.8×10−4 M, respectively, i.e. at saturation in a 9∶1 contracting buffer/ethanol mixture (v/v). 5. In a concentration-dependent manner, trifluoperazine, W-7, and fendiline relaxed Ca-calmodulin-induced tension or prevented tension development when given prior to the activation by Ca-calmodulin. However, considerably higher concentrations of the drugs were necessary for half-maximal relaxation than the reported concentrations for half-maximal saturation of hydrophobic binding sites at the calmodulin molecule. 6. These findings suggest that at therapeutic blood levels, the vasodilator properties of calcium antagonists and other direct vasodilators cannot be explained by interference with the binding of myosin light chain kinase to calmodulin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00634253
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  • 6
    Electronic Resource
    Electronic Resource
    Relaxation of skinned coronary arteries depends on the relative concentrations of Ca2+, calmodulin and active cAMP-dependent protein kinase (1985)
    Springer
    Pflügers Archiv 405 (1985), S. 70-76 
    Details
    ISSN: 1432-2013
    Keywords: Skinned coronary arteries ; Smooth muscle ; Regulation of contractile tone ; cAMP-dependent protein kinase ; cAMP-dependent modulation of contractile tone ; Calmodulin ; Calcium
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Maximally contracted detergent skinned coronary smooth muscle fibres are relaxed by lowering the concentration of free Ca2+. The extent and rate of relaxation depends on the concentration of free Ca2+ and calmodulin (CaM) suggesting that it is the Ca2+. CaM complex which is responsible for maintaining tension. At a fixed concentration of Ca2+ and CaM further relaxation can be achieved by addition of the catalytic subunit of the cAMP-dependent protein kinase (cAMP-kinase). The extent as well as the relaxation rate depend on the concentration of cAMP-kinase (0.01–0.5 μM) and both are antagonized by high concentrations of Ca2+ and CaM. The Ca2+-requirement for obtaining half maximal concentration is shifted from 1.1 μM to 6.3 μM Ca2+ in the presence of 0.5 μM cAMP-kinase. These data indicate that the response of the contractile apparatus to a change in the free [Ca2+] can be modulated by cAMP-kinase at the level of the contractile proteins. It is further suggested that the tone of coronary smooth muscle is determined by the relative and not by the absolute concentrations of Ca2+, CaM and cAMP-kinase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00591100
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  • 7
    Electronic Resource
    Electronic Resource
    cGMP and cAMP inhibit tension development in skinned coronary arteries (1984)
    Springer
    Pflügers Archiv 401 (1984), S. 277-280 
    Details
    ISSN: 1432-2013
    Keywords: cGMP ; cAMP ; Skinned coronary arteries
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The effects of physiological concentrations of cGMP and cAMP on tension development in skinned coronary arteries (Triton X-100) were studied. cGMP inhibited tension elicited at intermediate Ca2+ concentrations at pH 7.0 but not at more acidic or alkaline pH values. cAMP, on the other hand, decreased submaximal tension development independent of pH (from pH 6.5 to pH 7.2). Neither nucleotide affected tension development at maximally activating Ca2+ concentrations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00582596
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  • 8
    Electronic Resource
    Electronic Resource
    Darstellung und Struktur des N,N′ -DithioformylanilinsProfessor Josef Goubeau zum 85. Geburtstage am 31. März 1986 gewidmet (1986)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 534 (1986), S. 7-12 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Structure of N,N′-DithioformylanilineN,N′-dithioformylaniline was prepared by treating N,N′-dichlormethylaniline [1] with silicon disulfide [2]. The compound is characterized by the results of a X-ray structural analysis (RW = 0.030) as well as its nmr and vibration spectra. N,N′-dithioformylaniline crystallizes in the orthorhombic space group P21212 with a = 537.0(2); b = 745.7(3); c = 1111.5(4) pm; V = 445.1(3) · 106 pm3. The molecule consists of two planar parts; the angle between the plane of the aromatic ring and the plane of the N,N′-dithioformylamino group was determined to 87.7°.
    Notes: N,N′-Dithioformylanilin konnte durch Umsetzung von N,N′-Dichlormethylanilin [1] mit Siliciumdisulfid [2] dargestellt werden. Die Verbindung ist durch die Ergebnisse einer Röntgenstrukturanalyse (RW = 0,030) sowie ihre NMR- und Schwingungsspektren charakterisiert. N,N′-Dithioformylanilin kristallisiert orthorhombisch in der Raumgruppe P21212 mit Z = 2 und a = 537,0(2); b = 745,7(3); c = 1111,5(4) pm; V = 445,1(3) · 106 pm3. Das Molekül weist zwei planare Bauteile auf; der Winkel zwischen der Ebene des Aromaten und der durch die N,N′-Dithioformylaminogruppe gelegten Ebene wurde zu 87,7° bestimmt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19865340302
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  • 9
    Electronic Resource
    Electronic Resource
    Die Kristall- und MolekülStruktur des N,N′-DiformylanilinsProfessor Josef Goubeau zum 85. Geburtstage am 31. März 1986 gewidmet (1986)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 534 (1986), S. 13-18 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Crystal and Molecular Structure of N,N′-DiformylanilineN,N′-diformylaniline crystallizes in the monoclinic space group P21/n with Z = 8 and a = 856.1(2), b = 1277.6(3), c = 1306.1(3) pm, β 92.29(2)°, V = 1427.4(5) · 106 pm3. As shown by X-ray structure determination (2642 symmetry independent reflections, RW = 0.034) the molecule exists in two enantiomeric forms. The molecular structure can be described by two planes; the angle between the plane of the aromatic ring and the plane of the N,N′-diformylamino group is 70.1 resp. 108.3°. The results are compared with those obtained for other derivats.
    Notes: N,N′-Diformylanilin kristallisiert monoklin in der Raumgruppe P21/n mit Z = 8 und a = 856,1(2); b = 1277,6(3); c = 1306,1(3) pm; β = 92,29(2)°; V = 1427,4(5) · 106 pm3. Nach den Ergebnissen der Röntgenstrukturanalyse (2642 symmetrieunabhängige Reflexe; RW = 0,034) existiert das Molekül in zwei enatiomeren Formen. Die Molekülstruktur kann durch zwei Ebenen beschrieben werden; der Winkel zwischen der Ebene des Aromaten und der durch die N,N′-Diformylaminogruppe gelegten Ebene beträgt 70,1 bzw. 108,3°. Die Ergebnisse werden mit denen anderer Derivate verglichen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19865340303
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  • 10
    Electronic Resource
    Electronic Resource
    Untersuchungen an oxidischen Katalysatoren. XXV. Katalytische Aktivität und Aktivitäts-Zeit-Verhalten modifizierter Mordenite beim Spalten von n-OctanProfessor Dr. Ch. M. Minačev zum 70. Geburtstage am 24. Dezember 1978 gewidmet (1978)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 445 (1978), S. 51-58 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Studies on Oxide Catalysts. XXV. Catalytic Activity and Aging Properties of Modified Mordenites in the Cracking of n-OctaneMeH-mordenites (Me = Li, K, Mg, Ca, Ba) were prepared by ion exchange starting with H-mordenite (SiO2/Al2O3 mole ratio = 14). To characterize these samples the cracking of n-octane was used as catalytic test reaction. Surface OH groups and the adsorption of NH3 on these samples were investigated by i. r. spectroscopy. Unaffected by the kind of the exchanged cation the Brönsted acidity of the H-mordenite decreases monotonously with increasing content of the incorporated cation. The catalytic activity and (to a much higher degree) the rate of deactivation by coking during the reaction decrease as the Brönsted acidity decreases. The strong dependence of the Brönsted acidity on the deactivation rate points to a multi-site mechanism of the coking process.
    Notes: MeH-Mordenite (Me = Li, K, Mg, Ca, Ba) wurden ausgehend von einem H-Mordenit (Molverhältnis SiO2/Al2O3 = 14) durch Ionenaustausch hergestellt. Als Testreaktion zur Katalytischen Charakterisierung diente die n-Octanspaltung. IR-spektroskopisch wurden die OH-Oberflächengruppen und die Adsorption von NH3 an den Proben untersucht. Unabhängig von der Art des eingetauschten Kations sinkt die Brönsted-Acidität des H-Mordenits monoton mit steigendem Gehalt an den eingetauschten Kationen. Die katalytische Aktivität und (im weit Stärkeren Maße) die Desaktivierungsgeschwindigkeit (infolge „Verkokens“ während der Reaktion) sinken symbat mit der Brönsted-Acidität. Die starke Abhängigkeit der Geschwindigkeit der Desaktivierung von der Brönsted-Acidität weist auf einen Mehrzentrenmechanismus für die Verkokung hin.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19784450107
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