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Swimming statistics of cargo-loaded single bacteria.
Soft Matter ( IF 2.9 ) Pub Date : 2020-08-20 , DOI: 10.1039/d0sm01066a P Prakash 1 , A Z Abdulla 2 , V Singh 3 , M Varma 4
Soft Matter ( IF 2.9 ) Pub Date : 2020-08-20 , DOI: 10.1039/d0sm01066a P Prakash 1 , A Z Abdulla 2 , V Singh 3 , M Varma 4
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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.
中文翻译：
载货单一细菌的游泳统计。
对细菌驱动的微型机器人系统领域的兴趣日益浓厚，促使我们研究单一细菌的货物运输动力学。在本文中，我们研究了作为货物附着在单个细菌细胞体上的油滴的游动行为。负载油滴的细菌表现出超扩散运动，其特征在于高度的方向持久性。有趣的是，与游离细菌相比，细菌可以以8μm的货物大小导航，导致旋转阻力增加2倍以上。来自环境中其他油滴的空间位阻似乎增强了装载货物的细菌轨迹的方向变化。
更新日期：2020-09-23
中文翻译：
载货单一细菌的游泳统计。
对细菌驱动的微型机器人系统领域的兴趣日益浓厚，促使我们研究单一细菌的货物运输动力学。在本文中，我们研究了作为货物附着在单个细菌细胞体上的油滴的游动行为。负载油滴的细菌表现出超扩散运动，其特征在于高度的方向持久性。有趣的是，与游离细菌相比，细菌可以以8μm的货物大小导航，导致旋转阻力增加2倍以上。来自环境中其他油滴的空间位阻似乎增强了装载货物的细菌轨迹的方向变化。
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