2026-09-18T19:33:19Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/288492022-01-13T07:54:19Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Patrick S. Doyle.
Gupta, Malancha, 1980-
Massachusetts Institute of Technology. Dept. of Chemical Engineering.
Massachusetts Institute of Technology. Department of Chemical Engineering
2005-09-27T18:40:56Z
2005-09-27T18:40:56Z
2004
2005
http://hdl.handle.net/1721.1/28849
60404939
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, February 2005.
Includes bibliographical references (leaf 15).
We use video microscopy and particle tracking to study the diffusion of both colloidal spheres and polymers in slit microchannels. The molecules are allowed to sample the entire height of the microchannel. We find that the sphere data agrees well with a gap-averaged Oseen linear superposition approximation even at very high confinement whereas polymer chains at high confinement can not be modeled by this far field approach. We find that the polymer chain dynamics at high confinement can be explained well by a blob model scaling.
by Malancha Gupta.
S.M.
15 leaves
811565 bytes
810077 bytes
application/pdf
application/pdf
en_US
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Chemical Engineering.
Polymer and sphere diffusion in confinement
Thesis
application/pdf
false
Publication
unknown
unknown
<Publication xmlns="https://www.openaire.eu/cerif-profile/1.1/" id="cf37b580-9a75-4289-a1ce-c4e5edf7bf9a">
<Type xmlns="https://www.openaire.eu/cerif-profile/vocab/COAR_Publication_Types">http://purl.org/coar/resource_type/c_1843</Type>
<Language>en_US</Language>
<Title>Polymer and sphere diffusion in confinement</Title>
<PublishedIn>
<Publication>
</Publication>
</PublishedIn>
<PublicationDate>2005</PublicationDate>
<Authors>
<Author>
<DisplayName>Gupta, Malancha, 1980-</DisplayName>
<Affiliation>
<OrgUnit>
</OrgUnit>
</Affiliation>
</Author>
</Authors>
<Editors>
</Editors>
<Publishers>
<Publisher>
<DisplayName>Massachusetts Institute of Technology</DisplayName>
<OrgUnit />
</Publisher>
</Publishers>
<License>http://dspace.mit.edu/handle/1721.1/7582</License>
<Keyword>Chemical Engineering.</Keyword>
<Abstract>We use video microscopy and particle tracking to study the diffusion of both colloidal spheres and polymers in slit microchannels. The molecules are allowed to sample the entire height of the microchannel. We find that the sphere data agrees well with a gap-averaged Oseen linear superposition approximation even at very high confinement whereas polymer chains at high confinement can not be modeled by this far field approach. We find that the polymer chain dynamics at high confinement can be explained well by a blob model scaling.</Abstract>
<Access xmlns="http://purl.org/coar/access_right"
>
</Access>
</Publication>