Aerogels based on Bacterial Nanocellulose and their Applications

Area of Science:

• Material Science
• Biotechnology
• Nanotechnology

Background:

• Microbial cellulose forms biofilms of interlocked fibrils, known as bacterial nanocellulose (BNC).
• Bio-based aerogels are emerging materials with desirable lightweight, high surface area, and excellent physical, mechanical, and thermal properties.
• BNC-based aerogels present sustainable alternatives to synthetic or mineral materials.

Purpose of the Study:

• To provide a comprehensive review of bacterial nanocellulose (BNC)-based aerogels.
• To highlight the attributes, hierarchical, and multiscale features of BNC aerogels.
• To emphasize the potential applications and advantages of BNC aerogels in various scientific disciplines.

Main Methods:

• Review of existing literature on BNC aerogels.
• Analysis of the structural properties, including fibrous nanostructure and micro-porosity.
• Evaluation of BNC aerogels' characteristics such as biocompatibility and modifiability.

Main Results:

• BNC aerogels possess unique fibrous nanostructures and micro-porous architectures.
• These materials exhibit excellent physical, mechanical, and thermal properties.
• BNC aerogels demonstrate significant potential for tailored and specialized designs.

Conclusions:

• BNC aerogels are suitable for diverse applications including sensors, medical devices, and thermal/electroactive systems.
• Their biocompatibility and ease of modification make them highly versatile.
• BNC aerogels represent a feasible pathway to advance material science and promote sustainable solutions via biotechnology.