# pH-Responsive Hydrogel Bilayer With Reversible, Bidirectional Bending Behavior

> Research article (Frontiers in Materials, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4281553961](https://www.wikidata.org/wiki/openalex:W4281553961)  
**Source**: https://4ort.xyz/entity/ph-responsive-hydrogel-bilayer-with-reversible-bidirectional-bending-behavior