Research in the Biomaterials and Nanomedicine Laboratory focuses on capturing the promise of nanomaterials for the development of new strategies for the detection and treatment of diseases. Specifically, our group develops functional nanostructures that can act as highly specific contrast agents for bioimaging, in vitro and in vivo biosensors, targeted and intracellular drug delivery systems, and stimuli controlled delivery systems. These responsive nanomaterials incorporate functional nucleic acid linkers, enzymatically cleavable linkers, polyelectrolytes, and amphiphilic copolymers to mediate physico-chemical changes in the polymeric networks upon interaction with target molecules, leading to the desired material response. Work in the laboratory encompasses the synthesis and characterization of copolymers and nanoparticles, in vitro confirmation of stimuli-responsive behavior, and the evaluation of the particle functionality on cultured human cells. Dr. Betancourt’s group collaborates with academic and industrial researchers for preclinical evaluation of the compatibility and efficacy of the developed biomaterials and technology transfer.
 
Current projects in Dr. Betancourt’s laboratory include the development of: (1) aptamer-based responsive nanostructures that can be activated by disease-specific molecules, and on the study of the applications of these functional materials in targeted drug delivery, bioimaging, and biomolecular sensing; (2) highly specific nanoparticle-based near infrared contrast agents and drug delivery systems for optical detection and treatment of cancer; (3) photoablation agents and biosensors based on conductive polymers.

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