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Tracking Anisotropic Optical Tracers To Study Biophysical Processes And Cytotoxicity, Khanh Van Nguyen
Tracking Anisotropic Optical Tracers To Study Biophysical Processes And Cytotoxicity, Khanh Van Nguyen
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We use anisotropic optical tracers (also called magnetically modulated optical nanoprobes – MagMOONs or MOONs for non-magnetic nanoprobes in this dissertation) to study biophysical processes such as enzyme-catalyzed cleavage through tissue, intracellular transport of these tracers and cytotoxicity based on this transport. The anisotropic optical properties cause these tracers to blink when rotating. This blinking is distinguishable from the background and can be tracked on a single-particle level in the absence of tissue, or for an ensemble average of tracers blinking through tissue. An alginate gel containing these tracers in the form of a thin film can be used as …