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Hydrodynamic clustering of human sperm in viscoelastic fluids

Abstract:

We have numerically investigated sperm clustering behaviours, modelling cells as superpositions of regularised flow singularities, coarse-grained from experimentally obtained digital microscopy of human sperm, both in watery medium and a highly viscous– weakly elastic, methylcellulose medium. We find that the cell yaw and cell pulling dynamics inhibit clustering in low viscosity media. In contrast clustering is readily visible in simulations modelling sperm within a methylcellulose medium, in...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1038/s41598-018-33584-8

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Mathematical Institute
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Mathematical Institute
Oxford college:
Brasenose College
ORCID:
0000-0002-6888-4362
Publisher:
Springer Nature Publisher's website
Journal:
Scientific Reports Journal website
Volume:
8
Pages:
Article: 15600
Publication date:
2018-10-22
Acceptance date:
2018-10-02
DOI:
EISSN:
2045-2322
Pubs id:
pubs:923190
URN:
uri:a2646800-b7ff-4ab0-b511-e9417e56395d
UUID:
uuid:a2646800-b7ff-4ab0-b511-e9417e56395d
Local pid:
pubs:923190

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