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. 2020 Nov 14;12(11):2689. doi: 10.3390/polym12112689

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© 2020 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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Fourier-transform infrared spectroscopy (FTIR) spectrum of microalgae Chlorella vulgaris (red) and MFC-NFC-CMC 3D matrix with tea tree essential oil (blue) and without tea tree essential oil (green).