Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 19, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4829148
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Funding
- Russian Foundation for Basic Research [12-02-31266mol_a]
- Ministry of Education and Science of the Russian Federation [8737]
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Aqueous suspensions of porous silicon nanoparticles (NPs) with average size similar to 100 nm and concentration similar to 1 g/L undergo significant heating as compared with pure water under therapeutic ultrasonic (US) irradiation with frequencies of 1-2.5MHz and intensities of 1-20 W/cm(2). This effect is explained by taking into account the efficient absorption of US energy by NPs. The observed US-induced heating of biodegradable NPs is promising for applications in ultrasonic hyperthermia of tumors. (C) 2013 AIP Publishing LLC.
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