A. A. Bubnov, A. V. Syui, A. A. Popov, G. V. Tikhonovskii, N. S. Pokryshkin, V. Yu. Timoshenko
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Comparative Study of Photothermal Conversion Efficiency in Aqueous Suspensions of Silicon and Titanium Nitride Nanoparticles for Biomedical Applications
The paper presents the results of experiments on studying laser-stimulated heating in the near-infrared region of the spectrum of aqueous suspensions of nanoparticles (NPs) based on silicon (Si and Si–Fe NPs) and titanium nitride (TiN NPs) by a continuous laser with a wavelength of 808 nm and a power of 0.36 mW. Temperature profiles were obtained, and the heating rate and photothermal conversion efficiency were determined for each sample at a concentration of 1 mg/mL. The conversion efficiencies for the studied aqueous suspensions of TiN, Si–Fe, and Si NPs were 90, 36 and 10%, respectively. The results obtained show that TiN and Si–Fe NPs can be used as photoagents to control local photohyperthermia in biomedicine.
期刊介绍：
Physics of Atomic Nuclei is a journal that covers experimental and theoretical studies of nuclear physics: nuclear structure, spectra, and properties; radiation, fission, and nuclear reactions induced by photons, leptons, hadrons, and nuclei; fundamental interactions and symmetries; hadrons (with light, strange, charm, and bottom quarks); particle collisions at high and superhigh energies; gauge and unified quantum field theories, quark models, supersymmetry and supergravity, astrophysics and cosmology.
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