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. 2022 Aug 30;15(17):5989. doi: 10.3390/ma15175989

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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FT-IR spectra of the different synthesized particles (right), St-MMA (a), St-MMA-PEGMA particles (b) and St-MMA-GMA-PEGMA particles (c) and ampliation of FT-IR spectra of the different synthesized particles (left), St-MMA (a), St-MMA-PEGMA particles (b) and St-MMA-GMA-PEGMA particles (c), for wavenumber between 3350 and 3500 cm⁻¹.