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Acoustic Focusing in Microdroplets

Rodhe, Erik LU (2013) EEM820 20132
Department of Biomedical Engineering
Abstract
This thesis examines the possibility to combine droplet generation techniques together with acoustic particle manipulation in microfluidics to achieve focusing of particles inside micro droplets. In the thesis I introduce the reader to the general concepts of microfluidics, droplet dynamics, acoustics and microfabrication which are the basis for my experiments. The practical work focuses on the important steps in channel design, droplet generation and the possibilities to manipulate polystyrene particles with a diameter 10 _m inside channels with widths of a few hundreds of _m. The particles are manipulated inside water droplets dispersed in an continuous oil phase and the results include an examination of the droplet flow fields in... (More)
This thesis examines the possibility to combine droplet generation techniques together with acoustic particle manipulation in microfluidics to achieve focusing of particles inside micro droplets. In the thesis I introduce the reader to the general concepts of microfluidics, droplet dynamics, acoustics and microfabrication which are the basis for my experiments. The practical work focuses on the important steps in channel design, droplet generation and the possibilities to manipulate polystyrene particles with a diameter 10 _m inside channels with widths of a few hundreds of _m. The particles are manipulated inside water droplets dispersed in an continuous oil phase and the results include an examination of the droplet flow fields in interaction with the primary radiation force. I present evidence that the size and the flow speed of a droplet greatly affects the dynamics of the forces on particles inside the droplets (Less)
Please use this url to cite or link to this publication:
author
Rodhe, Erik LU
supervisor
organization
course
EEM820 20132
year
type
H2 - Master's Degree (Two Years)
subject
keywords
Microfluidics, Droplet generation, Segmented flows, Acoustofluidics, Particle focusing
language
English
additional info
2013-11
id
4195763
date added to LUP
2013-12-16 09:09:11
date last changed
2014-10-08 14:47:35
@misc{4195763,
  abstract     = {This thesis examines the possibility to combine droplet generation techniques together with acoustic particle manipulation in microfluidics to achieve focusing of particles inside micro droplets. In the thesis I introduce the reader to the general concepts of microfluidics, droplet dynamics, acoustics and microfabrication which are the basis for my experiments. The practical work focuses on the important steps in channel design, droplet generation and the possibilities to manipulate polystyrene particles with a diameter 10 _m inside channels with widths of a few hundreds of _m. The particles are manipulated inside water droplets dispersed in an continuous oil phase and the results include an examination of the droplet flow fields in interaction with the primary radiation force. I present evidence that the size and the flow speed of a droplet greatly affects the dynamics of the forces on particles inside the droplets},
  author       = {Rodhe, Erik},
  keyword      = {Microfluidics,Droplet generation,Segmented flows,Acoustofluidics,Particle focusing},
  language     = {eng},
  note         = {Student Paper},
  title        = {Acoustic Focusing in Microdroplets},
  year         = {2013},
}