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Swimming statistics of cargo-loaded single bacteria

Prakash, P and Abdulla, AZ and Singh, V and Varma, M (2020) Swimming statistics of cargo-loaded single bacteria. In: Soft Matter, 16 (41). pp. 9499-9505.

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Official URL: https://dx.doi.org/10.1039/d0sm01066a


Burgeoning interest in the area of bacteria-powered micro robotic systems prompted us to study the dynamics of cargo transport by single bacteria. In this paper, we have studied the swimming behaviour of oil-droplets attached as cargo to the cell bodies of single bacteria. The oil-droplet loaded bacteria exhibit super-diffusive motion which is characterised by a high degree of directional persistence. Interestingly, bacteria could navigate with cargo size as large as 8 μm resulting in an increased rotational drag of more than 2 orders when compared to the free bacteria. The directional change of cargo loaded bacterial trajectories seems to be enhanced by steric hindrance from other oil-droplets present in the environment. This journal is © The Royal Society of Chemistry.

Item Type: Journal Article
Publication: Soft Matter
Publisher: Royal Society of Chemistry
Additional Information: The copyright of this article belongs to Royal Society of Chemistry
Keywords: Drops; Microrobots, Cargo transport; Cell bodies; Diffusive motions; Directional changes; Micro robotics; Oil droplets; Steric hindrances; Swimming behaviours, Bacteria, article; cell body; motion; stereospecificity; swimming
Department/Centre: Division of Biological Sciences > Molecular Reproduction, Development & Genetics
Division of Interdisciplinary Sciences > Robert Bosch Centre for Cyber Physical Systems
Division of Interdisciplinary Sciences > Centre for Nano Science and Engineering
Division of Physical & Mathematical Sciences > Physics
Date Deposited: 03 Feb 2021 11:40
Last Modified: 03 Feb 2021 11:40
URI: http://eprints.iisc.ac.in/id/eprint/67315

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