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. 2019 Feb 17;9(2):280. doi: 10.3390/nano9020280

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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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Diffuse reflectance ultraviolet-visible (DR-UV-Vis) spectrum of a H₂TPP PsB-MGC thick fibrous layer (the orange one in inset). Inset shows also a porhyrin-free fibrous coating (the white-grey one).