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. 2019 Jul 23;24(14):2661. doi: 10.3390/molecules24142661

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© 2019 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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Photothermal-induced bactericidal activity of DSPE-AuNR suspension loaded into poloxamer 407 hydrogel against Pseudomonas aeruginosa biofilm (72 h) using CW or pulse laser at 3 W cm⁻² and 1 W cm⁻². (A) Calculated percentage of bacterial viable count reduction related to control on treatment with AuNR/hydrogel after NIR laser excitation (CW vs. pulse) and at dark conditions. (B) Calculated average log reduction of bacterial viable count on treatment with AuNR/hydrogel after NIR laser excitation (CW vs. pulse) and under dark conditions.