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(a-c) Brightfield images of select frozen NADES samples (scale bar 10 μm) and Raman spectral heat maps (scale bar 2 μm) of ice, sugar alcohol, and component A at −43°C. a) [Glyceline], b) [1:18 Tre:PG], c) [1:5 Sorb:Gly]. (d-e) OH band spectra at 20 °C and −10 °C for select samples.
