globalchange  > 影响、适应和脆弱性
项目编号: 1438033
项目名称:
Motion of Uni-Flagellated Bacteria in Visco-elastic Media
作者: Jay Tang
承担单位: Brown University
批准年: 2013
开始日期: 2014-09-01
结束日期: 2017-08-31
资助金额: USD361630
资助来源: US-NSF
项目类别: Standard Grant
国家: US
语种: 英语
特色学科分类: Engineering - Chemical, Bioengineering, Environmental, and Transport Systems
英文关键词: bacterium ; viscoelastic media ; uni-flagellated swimmer ; other bacterium ; single flagellum model bacterium
英文摘要: PI: Tang, Jay X.
Proposal Number: 1438033

The goal of the proposed study is to investigate how bacteria interact in a non-aquaeous fluid environment, which is often found in biological fluids. Findings from this work will be applicable to a general set of bacteria that swim using the same basic mechanics and could explain why bacteria in aqueous environments are uni-flagellar while other bacteria are multi-flagellar. Results of this work are important, since microscopic swimmers like bacteria are most often found in body fluids and liquids that are complex and non-Newtonian. There is a need for both data and models in this area, in order to better understand the spreading of decease and ways to stop it. There is also involvement of K-12 students in the outreach part of the project.

The focus of the proposal is on explaining flagellar swimming in viscoelastic media at a fundamental level. In particular, this experimental study will focus on uni-flagellated swimmers and how their motion is different than multi flagellated in viscoelastic media. The approach is to use single flagellum model bacteria in different viscoelastic solutions. The experimental measurements will include quantitative observations of swimming trajectories, speed, and cell body kinematics using optical microscopy techniques. In addition, rheological models will be generated to interpret the experimental results.
资源类型: 项目
标识符: http://119.78.100.158/handle/2HF3EXSE/95830
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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Recommended Citation:
Jay Tang. Motion of Uni-Flagellated Bacteria in Visco-elastic Media. 2013-01-01.
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