# Concentration Gradient‐Based Soft Robotics: Hydrogels Out of Water

> Research article (Advanced Functional Materials, 2020) · cited 64× · AI/ML

**Wikidata**: [openalex:W3085369155](https://www.wikidata.org/wiki/openalex:W3085369155)  
**Source**: https://4ort.xyz/entity/concentration-gradientbased-soft-robotics-hydrogels-out-of-water