Biodielectrics: old wine in a new bottle?

Area of Science:

• Materials Science
• Biophysics
• Biomedical Engineering

Background:

• Biodielectrics, derived from biological or bioinspired materials, have advanced medical science applications including drug delivery, health monitoring, and tissue engineering.
• Despite over a century of use in electrical insulation, the fundamental polar dielectric properties of biological building blocks remain poorly understood.
• Key polar dielectric properties include piezo-, pyro-, and ferroelectricity, which are crucial for understanding biological material behavior.

Purpose of the Study:

• To provide an overview of the dielectric properties of biological building blocks and their hierarchical organizations.
• To discuss the polar dielectric properties such as piezo-, pyro-, and ferroelectricity in biological materials.
• To explore recent trends, scope, and potential applications of biodielectrics in science and technology.

Main Methods:

• Review of existing literature on biodielectric properties.
• Analysis of hierarchical organizations of biological building blocks.
• Highlighting electromechanical properties in organic assemblies.

Main Results:

• Discussion of fundamental polar dielectric properties (piezo-, pyro-, ferroelectricity) in biological materials.
• Identification of trends and potential applications in science and technology.
• Highlighting the link between molecular building blocks and macroscopic biological structures.

Conclusions:

• Understanding fundamental biodielectric properties is essential for advancing medical science and technology.
• There are significant challenges and opportunities in translating molecular properties to macroscopic biological analogs.
• Biodielectrics offer potential for sustainable materials in next-generation technologies.