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Experimental Raman spectrum of ß-glucan hydrogels compared to DFT simulated spectra of oxalic acid or laminaribiose with and without bridge oxalates
The ß-glucan-oxalate hydrogel alone (a), compared with (b) DFT-simulated spectra obtained for the H-oxalate ion in water, (c) oxalic acid bridging two laminaribiose molecules, (d) H-oxalate (−1) bridging two laminaribiose molecules, (e) oxalate (−2) bridging two laminaribiose molecules, and (f) laminaribiose.
