@article{wang2022tough, title={Tough, Transparent, 3D-Printable, and Self-Healing Poly (ethylene glycol)-Gel (PEGgel)}, author={Wang, Zhenwu and Cui, Haijun and Liu, Modan and Grage, Stephan L and Hoffmann, Maxi and Sedghamiz, Elaheh and Wenzel, Wolfgang and Levkin, Pavel A}, journal={Advanced Materials}, volume={34}, number={11}, pages={2107791}, year={2022}, publisher={Wiley Online Library} }