Frequency domain fluorescent molecular tomography and molecular probes for small animal imaging

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Frequency domain fluorescent molecular tomography and molecular probes for small animal imaging

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/7021

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Title: Frequency domain fluorescent molecular tomography and molecular probes for small animal imaging
Author: Kujala, Naresh Gandhi, 1975-
Date: 2009
Publisher: University of Missouri--Columbia
Abstract: In this thesis, we have developed a frequency domain fluorescent molecular tomographic system based on the heterodyne technique using a single source and detector pair for small animal imaging. In our system, the intensity of laser source is modulated to produce a diffuse photon density wave in the tissue. The phase of the diffuse photon density wave is measured by comparing the reference signal with the signal from tissue by using a phasemeter. In parallel, we have developed and evaluated fluorescent Alexa Fluor 680 and Alexa Fluor 750-Bombesin (BBN) probes to target gastrin-releasing peptide (GRP) receptors on prostate and breast cancer for optical molecular imaging. Confocal fluorescence microscopic imaging of the molecular probes for in vitro PC-3 prostate and T-47D breast cancer cell lines indicated specific uptake, internalization and receptor blocking of these probes. In vivo investigations in severely compromised immunodeficient (SCID) mice bearing xenografted PC-3 prostate and T47-D breast cancer lesions demonstrated the ability of this new molecular probes to specifically target tumor tissue with a high selectively and affinity.
URI: http://hdl.handle.net/10355/7021
Other Identifiers: KujalaN-072409-D485

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