# Browse by Subject "Biophysics, Medical"

• (1993)
The multinuclear magnetic relaxation behavior of heart muscle from chicken, pork, and beef is investigated. Nonlinear regression analysis of the $\sp1$H transverse magnetization decay yields the best fit with three exponential ...

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• (1990)
The influences of structural factors of biological media on the acoustic nonlinearity parameter B/A were studied at tissue, cellular and molecular levels, using both the thermodynamic method and the finite amplitude method. ...

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• (1995)
There has been a growing interest, in recent years, in the measurement of diffusion of water and metabolites in living systems by magnetic resonance (MR) techniques. Knowledge of the diffusion coefficients of the molecules ...

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• (1997)
In vivo MR-imaging was also applied to study effects of neonatal, unilateral olfactory denervation on postnatal olfactory bulb growth. The in vivo imaging data were used to quantify the reduction in laminar volumes of the ...

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• (1998)
This work makes extensive use of relaxation theories (chapters 2 through 4) and numerical simulations (chapters 3 and 4) to delineate the physical basis of MRI by populations and predict enhancements of performance. Chapters ...

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• (1998)
DESIRE (Diffusionally-Enhanced Signal Intensity and REsolution) is a new method for nuclear magnetic resonance (NMR) microscopy which couples a spatially localized region of saturated magnetization to the surrounding medium ...

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• (1991)
The multicellular spheroid embodies many of the physiological and anatomical characteristics of in vivo tumors and provides an appropriate context for investigating the phenomenon of reoxygenation and the interplay of local ...

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• (1991)
The Ultrasound Time Domain Correlation (UTDC) technique can accurately and precisely estimate the volumetric fluid flow through a circular vessel without prior knowledge of the vessel diameter, flow velocity profile, or ...

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• (2008)
Finally, we have demonstrated that the fluorescein encapsulated one micron liposomes can be used to detect inorganic mercury in water. At the same time, we have shown that chelators of inorganic mercury can be encapsulated ...

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• (1991)
This thesis aims to demonstrate the usefulness of Nuclear Magnetic Resonance Spectroscopy in understanding normal human placental and uterine metabolism as well as its application in the study of gestational and gynecological ...

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• (1996)
The techniques of magnetic resonance (MR) imaging and spectroscopy have recently garnered much attention as tools for detecting and localizing metabolic changes in living tissues in various pathologic states and during ...

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• (2001)
Three pressure-driven flows of increasing complexity were examined, including flow through a water-saturated bed of randomly packed spheres, a Taylor-Couette-Poiseuille flow reactor, and the interstitial space between the ...

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• (1999)
A pulse method of blocker-induced noise analysis was used to study the time-dependent changes of channel density (NT), channel open probability (Po) and single-channel current (iNa) of apical membrane epithelial Na + ...

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• (2002)
Phase inversion is a process in which a concentrated polymer solution is converted into a solid gel network with desirable end-use properties. In this thesis, studies of the role nonsolvent induced phase inversion plays ...

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• (1997)
Rotational dynamics play an important role in determining the relaxation characteristics of paramagnetic contrast agents (PCA's) used in magnetic resonance imaging. In this work, a methodology employing continuous wave ...

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• (2006)
We believe our works have significant contributions and have brought new possibilities to computer vision, public security, surveillance, medical image analysis, and other related fields.

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• (1994)
Unusual DNA sequences are known to adopt interesting three-dimensional structures which might have important biological roles. For my thesis, I have tried to study the influence of various degrees of perturbations of DNA ...

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• (1989)
I. Three kinds of monoclonal antibodies have been found against iodopsin and other cone pigments in chicken retina: (1) specifically against iodopsin (cell line of 7D3); (2) against iodopsin and another cone pigment (cell ...

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• (1991)
Although the use of ultrasound as a diagnostic modality in obstetrics has become ubiquitous, concern that harmful effects may occur under special circumstances continues. A physical mechanism by which biological effects ...

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• (1992)
The problem of mathematically modeling the nonlinear interaction of ultrasound beams is addressed. The counterpropagation model is studied and a new model, called the copropagation reflection model, is proposed. The new ...

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