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Bacteria as actuators for hybrid (bi...

Behkam, Bahareh.

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Bacteria as actuators for hybrid (biotic/abiotic) swimming micro-robots: Design, modeling, and implementation.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Bacteria as actuators for hybrid (biotic/abiotic) swimming micro-robots: Design, modeling, and implementation./
作者:	Behkam, Bahareh.
面頁冊數:	160 p.
附註:	Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0618.
Contained By:	Dissertation Abstracts International69-01B.
標題:	Biophysics, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3299666
ISBN:	9780549437666

Bacteria as actuators for hybrid (biotic/abiotic) swimming micro-robots: Design, modeling, and implementation.
Behkam, Bahareh.

Bacteria as actuators for hybrid (biotic/abiotic) swimming micro-robots: Design, modeling, and implementation. - 160 p.

Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0618.

Thesis (Ph.D.)--Carnegie Mellon University, 2008.

The most significant obstacles to miniaturization of mobile robots down to micron scale are the miniaturization of on-hoard actuators and power sources required for mobility. To address these problems for swimming micro-robots, we propose interfacing live microorganisms (i.e. bacteria) with synthetic microfabricated robot body, with the ultimate goal of using bacteria for actuation, control, and sensing; and simple nutrients, such as glucose, for powering. By studying the hydrodynamics of bacterial flagellar motion, a design methodology for flagellar propulsion of swimming micro-robots is developed and key issues such as the effect of separation distance of neighboring flagella and the proximity of boundaries are experimentally studied. Propulsion of synthetic micro-spheres by bacteria is successfully demonstrated and critically analyzed. To achieve greater efficiency and motion directionality, a bullet-shaped polymeric body is microfabricated and a surfactant-based patterning technique is devised to limit the adhesion of bacteria to the flat end of the polymeric body. A chemical switching scheme is developed and successfully implemented to achieve repeatable on/off motion control of bacterial flagellar motors. Additionally, an on-board chemical release module is proposed and its feasibility is analyzed using a numerical mass-transfer model. Future applications of hybrid swimming micro-robots include early diagnosis and localized treatment of diseases. Potential target regions to use these robots include eyeball cavity, cerebrospinal fluid, and the urinary system.

ISBN: 9780549437666Subjects--Topical Terms:

1019105
Biophysics, General.

Bacteria as actuators for hybrid (biotic/abiotic) swimming micro-robots: Design, modeling, and implementation.
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