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. 2023 Jan 9;10:1094981. doi: 10.3389/fchem.2022.1094981

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Copyright © 2023 Şener Raman, Kuehnert, Daikos, Scherzer, Krömmelbein, Mayr, Abel and Schulze.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Attenuated total reflectance-infrared spectroscopy (ATR-FTIR) spectra of hydrogels with variation of (A) and (B) different PEGDA/gelatin proportions irradiated with 6 kGy, and (C) the differential irradiation doses with fixed PEGDA/gelatin concentration of P26G4.