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. 2014 Jan 5;4(2):163–174. doi: 10.7150/thno.7064

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© Ivyspring International Publisher. This is an open-access article distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by-nc-nd/3.0/). Reproduction is permitted for personal, noncommercial use, provided that the article is in whole, unmodified, and properly cited.

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(A) Fluorescence spectra of SOSG in PBS/D₂O after different treatments: in the dark as a control (black dashes), and after light irradiation at 665 nm with a dose of 15 J/cm² and treatment with AuNC-HPPH (red) or HPPH (green). (B) Plot of cell viability as a function of concentration after treatment with free HPPH (black) and AuNC-HPPH (red), followed by light irradiation at a fluence of 0.25 J/cm². The dose response curves were fitted using the method of least squares (p < 0.05).