Natural polymer-based soft actuators: from biomass to bioapplications

Area of Science:

• Materials Science
• Biotechnology
• Robotics

Background:

• Soft actuators are crucial for wearables, implants, and soft robotics.
• Synthetic polymer actuators face limitations in sustainability and biosafety.
• Natural polymers offer renewable, biocompatible, and degradable alternatives.

Purpose of the Study:

• To review the progress of natural polymer-based soft actuators.
• To discuss design principles and structure-property relationships.
• To highlight bioapplications and future perspectives.

Main Methods:

• Literature review of natural polymer soft actuator research.
• Analysis of design strategies and material properties.
• Categorization of bioapplications (non-invasive and invasive).

Main Results:

• Natural polymers enable sustainable and biocompatible soft actuators.
• Actuator performance is tunable via natural polymer structure and properties.
• Emerging applications span diverse bio-medical fields.

Conclusions:

• Natural polymer soft actuators represent a promising sustainable technology.
• Further development can lead to intelligent actuators for broad bio-applications.
• This field holds significant potential for future advancements in bio-robotics.