Show simple item record

dc.contributor.advisor Rorschach, Harold E., Jr.
dc.creatorMinard, Kevin R.
dc.date.accessioned 2009-06-04T00:07:35Z
dc.date.available 2009-06-04T00:07:35Z
dc.date.issued 1992
dc.identifier.citation Minard, Kevin R.. "The effects of stochastic fluid transport phenomena in magnetic resonance imaging (MRI)." (1992) Master’s Thesis, Rice University. https://hdl.handle.net/1911/13670.
dc.identifier.urihttps://hdl.handle.net/1911/13670
dc.description.abstract Kubo's generalized cumulant expansion theorem is used to derive a theoretical expression for the nuclear magnetic resonance (NMR) signal received from a fluid moving in a time-dependent magnetic field gradient. Described in general terms by time-dependent correlation functions, this expression is used to investigate a new statistical model of microcirculation that incorporates both coherent and incoherent flow effects at the microscopic level. Based on a simple picture of the intravoxel environment, this model is developed by considering an arbitrary distribution of tortuous capillary flows. A statistical analysis of the Langevin equation describing slow tortuous capillary flow as a stochastic process reveals precisely how both coherent and incoherent flow effects contribute to the overall attenuation of the NMR spin-echo. Velocity compensated and non-compensated diffusion matched spin-echo imaging sequences are utilized to separate and quantify these respective effects noninvasively on phantoms of stationary and flowing fluid.
dc.format.extent 158 p.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.subjectBiophysics
Biomedical engineering
Plasma physics
dc.title The effects of stochastic fluid transport phenomena in magnetic resonance imaging (MRI)
dc.type Thesis
dc.type.material Text
thesis.degree.department Bioengineering
thesis.degree.discipline Engineering
thesis.degree.grantor Rice University
thesis.degree.level Masters
thesis.degree.name Master of Science


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record