The assessment of effectiveness of plasmonic resonance photothermal therapy in tumor-bearing rats after multiple intravenous administration of gold nanorods

doi:10.1117/12.2268293

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Title: The assessment of effectiveness of plasmonic resonance photothermal therapy in tumor-bearing rats after multiple intravenous administration of gold nanorods
Creator: Bucharskaya, Alla B.
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Navolokin, Nikita A.
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Terentyuk, Georgy S.
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Khlebtsov, Boris N.
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Khlebtsov, Nikolaj G.
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Bashkatov, Alexey N.
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Genina, Elina A.
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Tuchin, Valery V.
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Maslyakova, Galina N.
Date: 2017
DOI: 10.1117/12.2268293
Description: To assess the effectiveness of plasmonic photothermal therapy (PPT) multiple intravenous strategy of gold nanorods (GNRs) administration was used before laser exposure. The model of alveolar liver cancer PC-1 was used in male outbred albino rats, which were intravenously administrated by single and multiple injections of GNRs and then were treated by PPT. The gold dosage was 400 μg (single injection group), 800 μg (double injection group), 1200 μg (triple injection group), and absorption maximum of gold nanorods suspension was at the wavelength of 808 nm. 24 hours after last injection the tumors were irradiated by the 808-nm diode laser during 15 min at power density 2.3 W/cm2. Temperature control of the tumor heating was provided by IR imager. 24 hours after the PPT the half of animals from each group was withdrawn from the experiments and the sampling tumor tissue for morphological study was performed. In survived animals the growth of tumors was evaluated during 21 days after the PPT. The antitumor effects of PPT after triple intravenous injection were comparable with those obtained at direct intratumoral administration of similar total dose of GNRs. The effectiveness of PPT depended on gold accumulation in tumor, probably, due to sufficient vascularizTation of tumor tissue.

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collection(s): Научное управление
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Proceedings of SPIE. 2017. Vol. 10336 : Saratov Fall Meeting 2016 : Optical Technologies in Biophysics and Medicine XVIII, 27-30 September 2016, Saratov, Russian Federation. P. 103360Q-1-103360Q-7
Language: eng

Created: 26-01-2018

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Научное управление The assessment of effectiveness of plasmonic resonance photothermal therapy in tumor-bearing rats after multiple intravenous administration of gold nanorods