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  Living System Adapts Harmonics of Peristaltic Wave for Cost-Efficient Optimization of Pumping Performance

Bäuerle, F., Karpitschka, S. A., & Alim, K. (2020). Living System Adapts Harmonics of Peristaltic Wave for Cost-Efficient Optimization of Pumping Performance. Physical Review Letters, 124: 098102. doi:10.1103/PhysRevLett.124.098102.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-C800-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-C801-8
Genre: Journal Article

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 Creators:
Bäuerle, Felix1, Author              
Karpitschka, Stefan A.2, Author              
Alim, Karen1, Author              
Affiliations:
1Max Planck Research Group Biological Physics and Morphogenesis, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2266692              
2Group Fluidics in heterogeneous environments, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2466703              

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 Abstract: Wavelike patterns driving transport are ubiquitous in life. Peristaltic pumps are a paradigm of efficient mass transport by contraction driven flows—often limited by energetic constraints. We show that a costefficient increase in pumping performance can be achieved by modulating the phase difference between harmonics to increase occlusion. In experiments we find a phase difference shift in the living peristalsis model P. polycephalum as dynamic response to forced mass transport. Our findings provide a novel metric for wavelike patterns and demonstrate the crucial role of nonlinearities in life.

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 Dates: 2020-03-052020
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1103/PhysRevLett.124.098102
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Title: Physical Review Letters
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 6 Volume / Issue: 124 Sequence Number: 098102 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1