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. 2021 Mar 22;13(3):424. doi: 10.3390/pharmaceutics13030424

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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In vitro biological effects of NIR-irradiated nGO and nGO-PEG on low and highly invasive colon cancer cells with and without NIR irradiation. (A) FDA staining of Colon26 cells and WST-1 cellular viability assay at 24th and 72nd hour of cultivation with nGO and nGO-PEG. (B) FDA staining of HT29 cells and WST-1 cellular viability assay at 24th and 72nd hour of cultivation with the nanoparticles (NPs). Percent viability for the two cell cultures is calculated after three repetitions of the FDA staining and results are MEAN±STDV. * designates statistical significance.