Feedback interactions between contraction and activation in cardiac muscle.
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Animals↗
Biomedical subjects
R Kaufmann
Publications and source records attributed to R Kaufmann.
Ca-movements controlling mammalian myocardial contractility. I. Voltage- and time-dependence of mechanical parameters under voltage clamp conditions.
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Animals↗
Ca-movements controlling mammalian myocardial contractility. II. Analogue computation of contractile behaviour assuming a multicompartment model.
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Biological Transport, Active↗
[Unstable hexaminium salts. 1].
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Aldehydes↗
[Unstable hexaminium salts. 2].
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Aldehydes↗
[Demonstration of an electromechanical linkage insufficiency caused by a disordered contractility of the hypertrophied myocardium].
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Animals↗
Solubilized DNA-dependent RNA polymerase from human placenta: A Mn(2+)-dependent enzyme.
The 100-fold purified RNA polymerase activity from human placenta is completely dependent upon added DNA. The enzyme is most active at 3 mM Mn(2+) in the presence of 100 mM (NH(4))(2)SO(4). Denatured DNA is a better template than native DNA. alpha-Amanitin completely inhibits the incorporation of 3H-UMP, while rifampicin has no influence upon the enzymatic activity.
Journal Article↗
[Preparation of 2-(oxoalkyl)-benzyl bromides].
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Aluminum↗
[Specific inhibition of relaxation in mammalian myocardium at low temperatures (1-10 degrees centigrade)].
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Action Potentials↗
[Mechanical response of the frog and mammalian myocardium to changes in the action potential duration by constant current pulses].
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Action Potentials↗
[Mechanical and electrical activity of isolated embryonic heart muscle cells in cell cultures].
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Action Potentials↗
[Demonstration of electro-mechanical coupling insufficiency in papillary muscles from chronically hypertrophied right ventricles of cats].
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Animals↗
[Separation of the divalent Ca++ antagonistic effect component from the beta-adrenolytic effects of cardio-depressive drugs on cultures of embryonic heart muscle cells].
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Animals↗
[Responses of contractile events to the course of the bioelectric potential of the homoiotherm myocardial fiber (cat papillary muscle)].
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Action Potentials↗
[Inotropic effects of extracellular Ca plus 2-variation on isolated heart muscle cells cultured in vitro].
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Calcium↗
[Specific increase in relaxation velocity of the isolated ventricular myocardium of rhesus monkeys, guinea pigs and frogs produced by sympathetic transmitters, and the neutralization of this effect by beta-receptor blockade].
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Action Potentials↗
[Autonomously promoted extension effect in Purkinje fibers, papillary muscles and trabeculae carneae of rhesus monkeys].
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Action Potentials↗
[Demonstration of a natural electro-mechanical coupling insufficiency in Purkinje fibers of the rhesus monkey].
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Animals↗