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Efficiency bounds of molecular motors under a trade-off figure of merit

Author

Listed:
  • Zhang, Yanchao
  • Huang, Chuankun
  • Lin, Guoxing
  • Chen, Jincan

Abstract

On the basis of the theory of irreversible thermodynamics and an elementary model of the molecular motors converting chemical energy by ATP hydrolysis to mechanical work exerted against an external force, the efficiencies of the molecular motors at two different optimization configurations for trade-off figure of merit representing a best compromise between the useful energy and the lost energy are calculated. The upper and lower bounds for the efficiency at two different optimization configurations are determined. It is found that the optimal efficiencies at the two different optimization configurations are always larger than 1/2.

Suggested Citation

  • Zhang, Yanchao & Huang, Chuankun & Lin, Guoxing & Chen, Jincan, 2017. "Efficiency bounds of molecular motors under a trade-off figure of merit," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 474(C), pages 230-236.
    • Handle: RePEc:eee:phsmap:v:474:y:2017:i:c:p:230-236
    DOI: 10.1016/j.physa.2017.01.051
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    References listed on IDEAS

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    1. Zhang, Yunxin, 2009. "A general two-cycle network model of molecular motors," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(17), pages 3465-3474.
    2. Mouri, Kazunari & Shimokawa, Tetsuya, 2008. "Effect of the number of molecules on the energetic efficiency in molecular motors using the Flashing Ratchet model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(21), pages 5169-5181.
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    Cited by:

    1. Du, Jianying & Fu, Tong & Hu, Cong & Su, Shanhe & Chen, Jincan, 2020. "Entropy analyses of electronic devices with different energy selective electron tunnels," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 560(C).

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