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Manipulating fluids: Advances in mic...

Vyawahare, Saurabh.

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Manipulating fluids: Advances in micro-fluidics, opto-fluidics and fluidic self assembly.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Manipulating fluids: Advances in micro-fluidics, opto-fluidics and fluidic self assembly./
作者:	Vyawahare, Saurabh.
面頁冊數:	120 p.
附註:	Adviser: Axel Scherer.
Contained By:	Dissertation Abstracts International67-09B.
標題:	Engineering, General. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3235599
ISBN:	9780542893414

Manipulating fluids: Advances in micro-fluidics, opto-fluidics and fluidic self assembly.
Vyawahare, Saurabh.

Manipulating fluids: Advances in micro-fluidics, opto-fluidics and fluidic self assembly. - 120 p.

Adviser: Axel Scherer.

Thesis (Ph.D.)--California Institute of Technology, 2006.

In conclusion, advances in fludics, integrating materials like quantum dots and solvent resistant elastomers along with 3-D fabrication and methods of self assembly, provide a new set of tools that significantly expand our control over fluids.

ISBN: 9780542893414Subjects--Topical Terms:

1020744
Engineering, General.

Manipulating fluids: Advances in micro-fluidics, opto-fluidics and fluidic self assembly.
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520 $a In conclusion, advances in fludics, integrating materials like quantum dots and solvent resistant elastomers along with 3-D fabrication and methods of self assembly, provide a new set of tools that significantly expand our control over fluids.
520 $a This dissertation describes work in three inter-related areas---micro-fluidics, opto-fluidics and fluidic self-assembly. Micro-fluidics has gotten a boost in recent years with the development of multilayered elastomeric devices made of poly (dimethylsiloxane) (PDMS), allowing active elements like valves and pumps. However, while PDMS has many advantages, it is not resistant to organic solvents. New materials and/or new designs are needed for solvent resistance. I describe how novel fluorinated elastomers can replace PDMS when combined with the three dimensional (3-D) solid printing. I also show how another 3-D fabrication method, multilayer photo-lithography, allows for fabrication of devices integrating filters. In general, 3-D fabrications allow new kinds of micro-fluidic devices to be made that would be impossible to emulate with two dimensional chips.
520 $a In opto-fluidics, I describe a number of experiments with quantum dots both inside and outside chips. Inside chips, I manipulate quantum dots using hydrodynamic focusing to pattern fine lines, like a barcode. Outside chips, I describe our attempts to create quantum dot composites with micro-spheres. I also show how evaporated gold films and chemical passivation can then be used to enhance the emission of quantum dots.
520 $a Finally, within fluids, self assembly is an attractive way to manipulate materials, and I provide two examples: first, a DNA-based energy transfer molecule that relies on quantum mechanics and self-assembles inside fluids. This kind of molecular photonics mimics parts of the photosynthetic apparatus of plants and bacteria. The second example of self-assembly in fluids describes a new phenomena---the surface tension mediated self assembly of particles like quantum dots and micro-spheres into fine lines. This self assembly by capillary flows can be combined with photo-lithography, and is expected to find use in future nano- and micro-fabrication schemes.
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