Figure 4. Intra- and intermolecular hydrogen bonding of agarose at low concentration

From

Molecular Origin for Strong Agarose Gels: Multi-Stranded Hydrogen Bonding

Masakuni Tako, Takeshi Teruya, Yukihioro Tamaki, Keiko Uechi, Teruko Konishi

Journal of Polymer and Biopolymer Physics Chemistry. 2021, 9(1), 13-19 doi:10.12691/jpbpc-9-1-2