Despite use of currently available technologies, cancer remains one of the leading causes of death worldwide. Gold-based nanoparticles that strongly absorb near-infrared light, such as nanoshells and nanorods, have shown potential as both diagnostic and therapeutic agents for cancer management (1–3). In this work we explored the use of gold-gold sulfide nanoparticles (mean diameter = 37 nm) with peak plasmon resonance at 800 nm for combined imaging and therapy of breast cancer. Upon excitation with a pulsed laser, these particles exhibit two-photon induced luminescence which may be used to image cancer cells. In addition, by increasing the power output of the laser, cancer cells can be thermally ablated as the gold-gold sulfide nanoparticles convert the light energy into heat.
- ASME Nanotechnology Council
Cancer Imaging and Thermal Therapy Facilitated by Nanoparticles and Multiphoton Microscopy
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Day, ES, Bickford, LR, Drezek, RA, & West, JL. "Cancer Imaging and Thermal Therapy Facilitated by Nanoparticles and Multiphoton Microscopy." Proceedings of the ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. Houston, Texas, USA. February 7–10, 2010. pp. 221-222. ASME. https://doi.org/10.1115/NEMB2010-13180
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