# Biomimetic Color-Changing Hierarchical and Gradient Hydrogel Actuators Based on Salt-Induced Microphase Separation

> Research article (ACS Applied Materials & Interfaces, 2019) · cited 50× · AI/ML

**Wikidata**: [openalex:W2990751514](https://www.wikidata.org/wiki/openalex:W2990751514)  
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