Water droplet friction and rolling dynamics on superhydrophobic surfaces

M Backholm, D Molpeceres, M Vuckovac… - Communications …, 2020 - nature.com
Superhydrophobicity is a remarkable surface property found in nature and mimicked in
many engineering applications, including anti-wetting, anti-fogging, and anti-fouling …

[HTML][HTML] Two-dimensional slither swimming of sperm within a micrometre of a surface

R Nosrati, A Driouchi, CM Yip, D Sinton - Nature communications, 2015 - nature.com
Sperm motion near surfaces plays a crucial role in fertilization, but the nature of this motion
has not been resolved. Using total internal reflection fluorescence microscopy, we …

Curvature in the reproductive tract alters sperm–surface interactions

MR Raveshi, MS Abdul Halim, SN Agnihotri… - Nature …, 2021 - nature.com
The fallopian tube is lined with a highly complex folded epithelium surrounding a lumen that
progressively narrows. To study the influence of this labyrinthine complexity on sperm …

Micropipette force sensors for in vivo force measurements on single cells and multicellular microorganisms

M Backholm, O Bäumchen - Nature protocols, 2019 - nature.com
Measuring forces from the piconewton to millinewton range is of great importance for the
study of living systems from a biophysical perspective. The use of flexible micropipettes as …

Dynamic force measurements on swimming Chlamydomonas cells using micropipette force sensors

TJ Böddeker, S Karpitschka… - Journal of the …, 2020 - royalsocietypublishing.org
Flagella and cilia are cellular appendages that inherit essential functions of microbial life
including sensing and navigating the environment. In order to propel a swimming …

Filament mechanics in a half-space via regularised Stokeslet segments

BJ Walker, K Ishimoto, H Gadêlha… - Journal of Fluid …, 2019 - cambridge.org
We present a generalisation of efficient numerical frameworks for modelling fluid–filament
interactions via the discretisation of a recently developed, non-local integral equation …

Direct force measurement of microscopic droplets pulled along soft surfaces

HK Khattak, S Karpitschka, JH Snoeijer… - Nature …, 2022 - nature.com
When a droplet is placed on a soft surface, surface tension deforms the substrate, creating a
capillary ridge. We study how the motion of the ridge dissipates energy in microscopic …

The mechanism of propulsion of a model microswimmer in a viscoelastic fluid next to a solid boundary

TR Ives, A Morozov - Physics of Fluids, 2017 - pubs.aip.org
In this paper, we study the swimming of a model organism, the so-called Taylor's swimming
sheet, in a viscoelastic fluid close to a solid boundary. This situation comprises natural …

Surface entrapment of micromotors by a background temperature field

H Damor, S Ghosh, A Poddar - Physics of Fluids, 2023 - pubs.aip.org
The fabrication of self-propelling micromotors and the study of their propulsion strategies
have gained attention due to their wide range of applications in the medical, engineering …

The effects of viscosity on the undulatory swimming dynamics of C. elegans

M Backholm, AKS Kasper, RD Schulman, WS Ryu… - Physics of …, 2015 - pubs.aip.org
The undulatory swimming dynamics of the millimetric nematode Caenorhabditis elegans
was investigated in fluids with different viscosities. The technique of micropipette deflection …