Academic literature on the topic 'Myosin mechanics'

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Dissertations / Theses on the topic "Myosin mechanics"

1

Ökten, Zeynep. "Single molecule mechanics and the myosin family of molecular motors." [S.l.] : [s.n.], 2006. http://www.diss.fu-berlin.de/2006/6/index.html.

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2

Pertici, Irene. "The power output of a myosin II-based nanomachine mimicking the striated muscle." Doctoral thesis, Università di Siena, 2018. http://hdl.handle.net/11365/1041106.

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This thesis reports the realization and first application of a synthetic nanomachine, able to reproduce in vitro the performance emerging from the array arrangement of myosin II motors in the sarcomere of the striated muscle. The nanomachine consists of an ensemble of less than ten myosin dimers from fast skeletal muscle disposed on a functionalized support carried by a piezoelectric nanopositioner and brought to interact with an actin filament attached with the correct polarity via gelsolin to a bead (Bead Tailed Actin, BTA) trapped into the focus of a Dual Laser Optical Tweezers (DLOT). In s
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3

Erzberger, Anna. "Actomyosin mechanics at the cell level." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-197642.

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Almost all animal cells maintain a thin layer of actin filaments and associated proteins underneath the cell membrane. The actomyosin cortex is subject to internal stress patterns which result from the spatiotemporally regulated activity of non-muscle myosin II motors in the actin network. We study how these active stresses drive changes in cell shape and flows within the cortical layer, and how these cytoskeletal deformations and flows govern processes such as cell migration, cell division and organelle transport. Following a continuum mechanics approach, we develop theoretical descriptions f
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4

Bates, Genevieve. "Molecular mechanics of diaphragmatic myosin from a mouse model of Duchenne muscular dystrophy." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=97145.

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Duchenne muscular dystrophy (DMD) is a genetic disorder characterized by the absence of dystrophin in the muscle cell membranes, rendering them susceptible to mechanical damage. DMD leads to respiratory or cardiac muscle failure and death. We hypothesized that alterations in contractile protein function contribute to DMD muscle weakness. We measured muscle strip stress, myosin heavy chain (MHC) isoform composition, velocity (ʋmax) of actin propulsion by myosin, and relative myosin force in control and mdx mouse (C57Bl/10) diaphragms. Stress was statistically smaller for mdx (0.23kg/cm2±0.11; m
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5

Iliffe, Cathryn Ann. "The kinetics and mechanics of myosin and subfragment-1 from insect flight muscle." Thesis, University of York, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251800.

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6

Léguillette, Renaud. "Expression of smooth muscle myosin heavy chain isoforms in asthma and their molecular mechanics." Thesis, McGill University, 2006. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103169.

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Two smooth muscle (SM) myosin heavy chain isoforms, generated by alternative mRNA splicing, differ by the presence (SM-B) or absence (SM-A) of a 7 amino acid insert in the motor domain. The rate of actin filament propulsion (nu max) of SM-B, as measured in the in vitro motility assay, is 2-fold greater than that of SM-A. I investigated the expression and function of these isoforms in healthy SM and in asthma. First, I determined the sequence of the SM-B isoform in human SM and quantified its expression at the mRNA and protein levels in several human organs. The SM-B isoform was mostly expresse
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7

Patel, Sejal. "Myosin regulatory light chain phosphorylation and its role in active mechanics and force generation of the heart." Diss., [La Jolla] : University of California, San Diego, 2009. http://wwwlib.umi.com/cr/ucsd/fullcit?p1462361.

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Thesis (M.S.)--University of California, San Diego, 2009.<br>Title from first page of PDF file (viewed May 4, 2009). Available via ProQuest Digital Dissertations. Includes bibliographical references (p. 43-48).
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8

Düttmann, Markus [Verfasser], and Alexander S. [Akademischer Betreuer] Mikhailov. "Elastic Network Models of Proteins - Uncovering the Internal Mechanics of Actin and Myosin / Markus Düttmann. Betreuer: Alexander S. Mikhailov." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2012. http://d-nb.info/1028912919/34.

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9

Pontén, Eva. "Tendon transfer mechanics and donor muscle properties : implications in surgical correction of upper limb muscle imbalance." Doctoral thesis, Umeå universitet, Institutionen för integrativ medicinsk biologi (IMB), 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-167.

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Tendon transfer surgery is used to improve the hand function of patients with nerve injuries, spinal cord lesions, cerebral palsy (CP), stroke, or muscle injuries. The tendon of a muscle, usually with function opposite that of the lost muscle function, is transferred to the tendon of the deficient muscle. The aim is to balance the wrist and fingers to achieve better hand function. The position, function, and length at which the donor muscle is sutured is essential for the outcome for the procedure. In these studies the significance of the transferred muscle’s morphology, length and apillarizat
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10

Streppa, Laura. "Characterizing mechanical properties of living C2C12 myoblasts with single cell indentation experiments : application to Duchenne muscular dystrophy." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN008/document.

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Cette thèse interdisciplinaire a été dédiée à la caractérisation des propriétés mécaniques de myoblastes (murins et humains) et de myotubes (murins) à l'aide de la microscopie à force atomique (AFM). En modifiant ou en inhibant la dynamique du cytosquelette (CSK) d’actine de ces cellules, nous avons pu montrer que ces propriétés mécaniques variaient. L’enregistrement de courbes de force indentation nous a permis de montrer que la présence de cellules adhérentes introduisait sur les leviers d’AFM un amortissement visqueux supplémentaire à celui d’une paroi solide, et que cet amortissement visqu
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