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Contraction-Band Formation in Barnacle Myofibrils
Science, 1964Contractions induced by adenosine triphosphate, in myofibrils isolated from the barnacle, Balanus aquilia , were observed with a phase microscope. The formation of contraction bands was well under way before the A-band came into contact with the Z-membrane.
R J, BASKIN, G M, WIESE
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Passive force enhancement in single myofibrils
Pflügers Archiv - European Journal of Physiology, 2007The purpose of this study was to gain further insight into passive force enhancement by testing whether passive force enhancement occurs in single myofibrils. Myofibrils (n = 6) isolated from rabbit psoas muscle were fixed at a sarcomere length of 2.4 microm, and then stretched passively and actively to a sarcomere length of 3.4 microm.
V, Joumaa +3 more
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Residual force depression in cardiac myofibrils
Journal of BiomechanicsHistory-dependent properties, such as residual force depression (rFD; i.e., the decrease in steady-state isometric force of a muscle, following active shortening, compared to the corresponding force of a purely isometric contraction) have been consistently observed in skeletal muscle.
Seong-Won, Han +3 more
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Cardiomyopathies and Myofibril Abnormalities
2002Cardiomyopathies are primary disorders of the myocardium in which systolic and/or diastolic dysfunction occurs (Towbin, 1993, 1999). These cardiac muscle diseases are classified based on phenotypic features (Towbin, 1993, 1999; Richardson et al., 1996) and include: (1) dilated cardiomyopathy (DCM), (2) hypertrophic cardiomyopathy (HCM), (3) restrictive
Jeffrey A. Towbin, Neil E. Bowles
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1987
In nearly every field of science deeper understanding of nature led to investigations into ever smaller features of the object, from macroscopic to microscopic to molecular to atomic to nuclear. At each step change of size we have made a quantum jump in our knowledge about the object.
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In nearly every field of science deeper understanding of nature led to investigations into ever smaller features of the object, from macroscopic to microscopic to molecular to atomic to nuclear. At each step change of size we have made a quantum jump in our knowledge about the object.
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[Turbidity of myofibril suspensions].
Biofizika, 1993Turbidity (optical density) of isolated myofibril suspensions was investigated at different concentrations, light wavelengths and solid angles of the spectrophotometer photocell. The turbidity is shown to be strongly dependent on the condition of its measurement which does not permit to obtain correct values suitable for theoretical interpretation.
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