Liu, Xinyue
Steiger, Christoph
Lin, Shaoting
Parada, German Alberto
Liu, Ji
Chan, Hon Fai http://orcid.org/0000-0003-0573-1251
Yuk, Hyunwoo http://orcid.org/0000-0003-1710-9750
Phan, Nhi V.
Collins, Joy
Tamang, Siddartha
Traverso, Giovanni
Zhao, Xuanhe http://orcid.org/0000-0001-5387-6186
Article History
Received: 4 September 2018
Accepted: 20 December 2018
First Online: 30 January 2019
Competing interests
: X.Z., X.L., S.L., G.A.P., and H.Y. are co-inventors on provisional patent application number 62/623,695 describing the design of hydrogels with high swelling ratio, high swelling speed, and long-term robustness. G.T. is a co-inventor on multiple patents describing gastric-resident drug delivery systems and has a financial interest in Lyndra Inc. and Vivtex Inc., which are biotechnology companies focusing on the development of orally delivered systems for drug delivery and sensing via the gastrointestinal tract. All other authors declare no competing interests.