Comparison between T2 Relaxation Time and Storage Modulus for Agarose Gel

Author

Chin, Erica D. ; Ma, Jiaxin ; Lee, C.L. ; Jara, Hernan J.

Author_Institution

Coll. of Eng., Needham, MA, USA

fYear

2013

fDate

5-7 April 2013

Firstpage

113

Lastpage

114

Abstract

The objective of this study is to evaluate the correlations between the quantitative MRI parameter, T₂ relaxation time, and the viscoelastic storage modulus for low concentrations of agarose gel. T₂ values were determined from MR image maps generated by a 3T scanner. The storage modulus was measured by dynamic mechanical analysis (DMA). It was found that the T₂ values decreased, while the storage modulus increased, with higher agarose concentrations.

Keywords

biomedical MRI; elastic moduli; materials testing; phantoms; polymer gels; viscoelasticity; 3T scanner; MR image maps; T₂ relaxation time; T₂ values; agarose concentration; agarose gel; dynamic mechanical analysis; magnetic flux density 3 T; quantitative MRI parameter; viscoelastic storage modulus; Biological tissues; Biomedical imaging; Electron tubes; Magnetic resonance imaging; Mechanical factors; Mechanical variables measurement; Pathology; T2; agarose; dynamic mechanical analysis; storage modulus; transverse relaxation time; viscoelastic;

fLanguage

English

Publisher

ieee

Conference_Titel

Bioengineering Conference (NEBEC), 2013 39th Annual Northeast

Conference_Location

Syracuse, NY

ISSN

2160-7001

Print_ISBN

978-1-4673-4928-4

Type

conf

DOI

10.1109/NEBEC.2013.68

Filename

6574383