Bulletin of the American Physical Society
2023 Annual Meeting of the APS Far West Section
Volume 68, Number 9
Friday–Saturday, October 6–7, 2023; University of California, San Diego, California
Session S03: Condensed Matter IV
10:30 AM–12:54 PM,
Saturday, October 7, 2023
University of California, San Diego
Room: Mayer 5623
Chair: Ettore Vitali, California State University, Fresno
Abstract: S03.00011 : Mapping the Time Development of Hydrogel Inhomogeneities using Laser Interference*
12:42 PM–12:54 PM
Presenter:
Ashley Thorshov
(University of California San Diego)
Authors:
Ashley Thorshov
(University of California San Diego)
Holden Bauer
(colleague)
Collaboration:
Frano X Lab
To better understand the evolution of the internal polymer chain structure, our team is using Bragg scattering and coherent interference to develop a three dimensional mapping of the polymer chains in our samples. In each method, a light source is shone into a hydrogel, where it interacts with the polymer chains and scatters accordingly. The resulting interference pattern can then be analyzed to glean information about the internal spacing between polymer chains. By employing these techniques at different sizes in the swelling process, we can quantify a sample’s development. The ability to accurately study the internal configuration of hydrogels will let us explore how swelling changes in response to environmental conditions like temperature, solvent pH level, etc. Better understanding the swelling of these materials may help advance their current applications and uncover other relevant uses.
*Undergraduate Research Hub at UC San Diego
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