Life Sciences and cultural heritage Figure 1. (a) FTIR, UVRR, and SAXS curves of the solutions and hydrogels recorded at room temperature for pure BLG and BSA concentrated samples. The sketch on the right provides a cartoon representation of the system; (b) Plot showing the percentage of cross-β content and the reduction in tryptophan intensity, derived from FTIR and UVRR data, respectively; (c) Transient grating signal and the corresponding plot of parameters extracted from the oscillating component of the signal, namely the speed of sound and the damping rate of the acoustic wave oscillations. S. Venturi1, B. Rossi2, F. Matroodi2,3, R. Torre1,4, A. Lapini1,5, P. Foggi1,6,7, A. Di Michele8, P. Sassi1,6, M. Paolantoni6, S. Catalini1,7,8 1 LENS, University of Florence, Sesto Fiorentino, Italy 2 Elettra - Sincrotrone Trieste S.C.p.A., Trieste, Italy 3 Department of Physics, Shahid Chamran University of Ahvaz, Ahvaz, Iran 4 Department of Physics and Astronomy, University of Florence, Sesto Fiorentino, Italy 5 Department of Chemical Science, Life and Environmental Sustainability, University of Parma Parma, Italy 6 Department of Chemistry, Biology and Biotechnology, University of Perugia, Perugia, Italy 7 CNR-INO, LENS Laboratory, Florence, Italy 8 Department of Physics and Geology, University of Perugia, Perugia, Italy e-mail: sara.catalini@unipg.it; marco.paolantoni@unipg.it Acknowledgments We acknowledge Elettra Sincrotrone Trieste and the CERIC-ERIC Consortium for providing access to its synchrotron radiation facilities and for financial support. The research project “FSE-REACT EU '' financed by National Social Fund–National Operative Research Program and Innovation 2014–2020 (D.M. 1062/2021). The European Union-NextGenerationEU project under the Italian Ministry of University and Research (MUR) National Innovation Ecosystem grant ECS00000041-VITALITY-CUP: J97G22000170005 and B43C22000470005. This research was funded by Next Generation EU Programme: project PRIN-2022JWAF7Y and I-PHOQS Infrastructure [IR0000016, ID D2B8D520, CUP B53C22001750006]; project CNR-FOELENS-2023 and Horizon 2020 EU Programme project Laserlab-Europe n. 871124. Original paper S. Venturi et al., Food Hydrocolloids 161, 110863 (2025); DOI: 10.1016/j.foodhyd.2024.110863. Fig. 1 Elettra Highlights 2024–2025 55
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