Supramolecular Thermo Aero-able Gelators (STAGs) for synthesis of   hydrogels
  Supramolecular Thermo Aero-able Gelators (STAGs): tartaric acid, urea, and guanidine with amide and imine moieties as supramolecular synthons are introduced to cross-link and aerate ('aero-able') polyacrylate networks for synthesis of hydrogels. They are bi-functional hence present a greener alternative to the existing cross-linkers and gelators. 
Feng Feng Xue, Dan Dan Yuan, Peng Wang, Atharva Sahasrabudhe, Xiao-Yan   Tang, Dianyu Chen, Rongxin Yuan and Soumyajit Roy
cond-mat.soft cond-mat.mtrl-sci