Materials for smart soft actuator systems

I Apsite, S Salehi, L Ionov - Chemical Reviews, 2021 - ACS Publications
In contrast to conventional hard actuators, soft actuators offer many vivid advantages, such
as improved flexibility, adaptability, and reconfigurability, which are intrinsic to living …

Physics of microswimmers—single particle motion and collective behavior: a review

J Elgeti, RG Winkler, G Gompper - Reports on progress in …, 2015 - iopscience.iop.org
Locomotion and transport of microorganisms in fluids is an essential aspect of life. Search
for food, orientation toward light, spreading of off-spring, and the formation of colonies are …

IRONSperm: Sperm-templated soft magnetic microrobots

V Magdanz, ISM Khalil, J Simmchen, GP Furtado… - Science …, 2020 - science.org
We develop biohybrid magnetic microrobots by electrostatic self-assembly of nonmotile
sperm cells and magnetic nanoparticles. Incorporating a biological entity into microrobots …

[图书][B] The fluid dynamics of cell motility

E Lauga - 2020 - books.google.com
Fluid dynamics plays a crucial role in many cellular processes, including the locomotion of
cells such as bacteria and spermatozoa. These organisms possess flagella, slender …

Microfluidics for sperm analysis and selection

R Nosrati, PJ Graham, B Zhang, J Riordon… - Nature Reviews …, 2017 - nature.com
Infertility is a growing global health issue with far-reaching socioeconomic implications. A
downward trend in male fertility highlights the acute need for affordable and accessible …

Rheotaxis facilitates upstream navigation of mammalian sperm cells

V Kantsler, J Dunkel, M Blayney, RE Goldstein - Elife, 2014 - elifesciences.org
A major puzzle in biology is how mammalian sperm maintain the correct swimming direction
during various phases of the sexual reproduction process. Whilst chemotaxis may dominate …

High-throughput lensfree 3D tracking of human sperms reveals rare statistics of helical trajectories

TW Su, L Xue, A Ozcan - Proceedings of the National …, 2012 - National Acad Sciences
Dynamic tracking of human sperms across a large volume is a challenging task. To provide
a high-throughput solution to this important need, here we describe a lensfree on-chip …

Direct measurement of the flow field around swimming microorganisms

K Drescher, RE Goldstein, N Michel, M Polin, I Tuval - Physical Review Letters, 2010 - APS
Swimming microorganisms create flows that influence their mutual interactions and modify
the rheology of their suspensions. While extensively studied theoretically, these flows have …

Mammalian sperm motility: observation and theory

EA Gaffney, H Gadêlha, DJ Smith… - Annual Review of …, 2011 - annualreviews.org
Mammalian spermatozoa motility is a subject of growing importance because of rising
human infertility and the possibility of improving animal breeding. We highlight opportunities …

Sperm navigation along helical paths in 3D chemoattractant landscapes

JF Jikeli, L Alvarez, BM Friedrich, LG Wilson… - Nature …, 2015 - nature.com
Sperm require a sense of direction to locate the egg for fertilization. They follow gradients of
chemical and physical cues provided by the egg or the oviduct. However, the principles …