Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels

Guy Raguin; Cibele V. Falkenberg; Shaurya Prakash; Heather R. FitzHenry; Glennys Mensing; Luisa Ciobanu; John G. Georgiadis; Mark A. Shannon

doi:10.1557/proc-0930-jj04-05

Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels

Guy Raguin, Cibele V. Falkenberg, Shaurya Prakash, Heather R. FitzHenry, Glennys Mensing, Luisa Ciobanu, John G. Georgiadis, Mark A. Shannon

University of Illinois Urbana-Champaign

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A fundamental study focusing on correlating the local water self-diffusion coefficient to the local free water content in 2-hydroxyethyl methacrylate (HEMA) gels was conducted. HEMA gels were synthesized with different nominal water content (50% to 90%). MRI measurements of local diffusion coefficient distribution and local water content profiles were conducted on a 600 MHz scanner. The local water content was measured via two spin-echo images with sufficiently long repetition time (TR) to eliminate T1-weighting and two values for the echo time (TE) in order to account for T2-weighting. The local diffusion coefficient was determined using a standard pulsed-field gradient spin-echo sequence. The measured local water content and diffusion coefficient data were compared with several single-parameter diffusion models for interstitial diffusion in the hydrogel (Makie-Meares, Stokes-Einstein, and Brownian motion around overlapping spheres).

Original language	English (US)
Title of host publication	Materials Science of Water Purification
Publisher	Materials Research Society
Pages	47-52
Number of pages	6
ISBN (Print)	155899887X, 9781558998872
DOIs	https://doi.org/10.1557/proc-0930-jj04-05
State	Published - 2006
Event	2006 MRS Spring Meeting - San Francisco, CA, United States Duration: Apr 17 2006 → Apr 21 2006

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	930
ISSN (Print)	0272-9172

Other

Other	2006 MRS Spring Meeting
Country	United States
City	San Francisco, CA
Period	4/17/06 → 4/21/06

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Raguin, G., Falkenberg, C. V., Prakash, S., FitzHenry, H. R., Mensing, G., Ciobanu, L., Georgiadis, J. G., & Shannon, M. A. (2006). Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels. In Materials Science of Water Purification (pp. 47-52). (Materials Research Society Symposium Proceedings; Vol. 930). Materials Research Society. https://doi.org/10.1557/proc-0930-jj04-05

Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels. / Raguin, Guy; Falkenberg, Cibele V.; Prakash, Shaurya; FitzHenry, Heather R.; Mensing, Glennys; Ciobanu, Luisa; Georgiadis, John G.; Shannon, Mark A.

Materials Science of Water Purification. Materials Research Society, 2006. p. 47-52 (Materials Research Society Symposium Proceedings; Vol. 930).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Raguin, G, Falkenberg, CV, Prakash, S, FitzHenry, HR, Mensing, G, Ciobanu, L, Georgiadis, JG & Shannon, MA 2006, Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels. in Materials Science of Water Purification. Materials Research Society Symposium Proceedings, vol. 930, Materials Research Society, pp. 47-52, 2006 MRS Spring Meeting, San Francisco, CA, United States, 4/17/06. https://doi.org/10.1557/proc-0930-jj04-05

Raguin, Guy ; Falkenberg, Cibele V. ; Prakash, Shaurya ; FitzHenry, Heather R. ; Mensing, Glennys ; Ciobanu, Luisa ; Georgiadis, John G. ; Shannon, Mark A. / Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels. Materials Science of Water Purification. Materials Research Society, 2006. pp. 47-52 (Materials Research Society Symposium Proceedings).

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abstract = "A fundamental study focusing on correlating the local water self-diffusion coefficient to the local free water content in 2-hydroxyethyl methacrylate (HEMA) gels was conducted. HEMA gels were synthesized with different nominal water content (50% to 90%). MRI measurements of local diffusion coefficient distribution and local water content profiles were conducted on a 600 MHz scanner. The local water content was measured via two spin-echo images with sufficiently long repetition time (TR) to eliminate T1-weighting and two values for the echo time (TE) in order to account for T2-weighting. The local diffusion coefficient was determined using a standard pulsed-field gradient spin-echo sequence. The measured local water content and diffusion coefficient data were compared with several single-parameter diffusion models for interstitial diffusion in the hydrogel (Makie-Meares, Stokes-Einstein, and Brownian motion around overlapping spheres).",

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Magnetic Resonance Imaging (MRI) of water diffusion in 2-Hydroxyethyl Methacrylate (HEMA) gels

Abstract

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ASJC Scopus subject areas

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