Plant cell-like tip-growing polymer precipitate with structurally embedded multistimuli sensing ability.

Area of Science:

• Materials Science
• Soft Robotics
• Biomedicine

Background:

• Existing soft systems lack directional movement and stimulus sensing.
• Organisms exhibit tropic growth, outperforming artificial systems.
• Need for artificial materials with directional growth capabilities.

Purpose of the Study:

• To develop an artificial multistimuli-responsive tropic tip-growing system.
• To mimic plant and fungal tropic growth mechanisms.
• To enable directional growth based on external stimuli sensing.

Main Methods:

• Utilized nonsolvent-induced phase separation of polymer solution.
• Developed a theoretical framework for predicting precipitate growth.
• Demonstrated stimuli sensing (gravity, mechanical contact, light).

Main Results:

• The system exhibited directional growth in response to multiple stimuli.
• Achieved controlled 3D printing in confined spaces.
• Demonstrated obstacle bypassing and shielded liquid transport.

Conclusions:

• The artificial tropic tip-growing system shows embedded physical intelligence.
• This material system offers advanced functionalities for soft robotics and beyond.
• Potential applications in advanced manufacturing and biomedical engineering.