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Abstract:

The thermal efficiency of the kinesin cycle at stalling is presently a matter of some debate, with published predictions ranging from 0 [Phys. Rev. Lett. 99, 158102 (2007); Phys. Rev. E 78, 011915 (2008)] to 100% [in Molecular Motors, edited by M. Schliwa (Wiley-VCH Verlag GmbH, Weinheim (2003), p. 207]. In this note we attemp to clarify the issues involved. We also find an upper bound on the kinesin efficiency by constructing an ideal kinesin cycle to which the real cycle may be compared. The ideal cycle has a thermal efficiency of less than one, and the real one is less efficient than the ideal one always, in compliance with Carnot's theorem. © 2009 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.

Registro:

Documento: Artículo
Título:Kinesin and the crooks fluctuation theorem
Autor:Calzetta, E.A.
Filiación:Depto. de Física, F. C. E. y N. - UBA and CONICET, Argentina
Palabras clave:A-thermal; Crooks fluctuation theorem; Kinesin; Molecular motors; Thermal efficiency; Upper Bound; Thermal effects
Año:2009
Volumen:68
Número:4
Página de inicio:601
Página de fin:605
DOI: http://dx.doi.org/10.1140/epjb/e2009-00113-8
Título revista:European Physical Journal B
Título revista abreviado:Eur. Phys. J. B
ISSN:14346028
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346028_v68_n4_p601_Calzetta

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Citas:

---------- APA ----------
(2009) . Kinesin and the crooks fluctuation theorem. European Physical Journal B, 68(4), 601-605.
http://dx.doi.org/10.1140/epjb/e2009-00113-8
---------- CHICAGO ----------
Calzetta, E.A. "Kinesin and the crooks fluctuation theorem" . European Physical Journal B 68, no. 4 (2009) : 601-605.
http://dx.doi.org/10.1140/epjb/e2009-00113-8
---------- MLA ----------
Calzetta, E.A. "Kinesin and the crooks fluctuation theorem" . European Physical Journal B, vol. 68, no. 4, 2009, pp. 601-605.
http://dx.doi.org/10.1140/epjb/e2009-00113-8
---------- VANCOUVER ----------
Calzetta, E.A. Kinesin and the crooks fluctuation theorem. Eur. Phys. J. B. 2009;68(4):601-605.
http://dx.doi.org/10.1140/epjb/e2009-00113-8