From ice-binding proteins to bio-inspired antifreeze materials

Area of Science:

• Biochemistry
• Materials Science
• Cryobiology

Background:

• Ice-binding proteins (IBPs) are crucial for survival in extreme cold environments across various organisms.
• Polar fish, algae, and bacteria utilize IBPs for ice structuring, growth inhibition, and adhesion.

Purpose of the Study:

• To review recent advancements in ice-binding proteins (IBPs) and their synthetic analogues.
• To highlight fundamental insights into IBP functioning for developing bio-inspired mimics.
• To present applications of IBPs and analogues in cryopreservation, ice-templating, and gas hydrate inhibition.

Main Methods:

• Literature review of recent scientific publications on ice-binding proteins.
• Analysis of fundamental mechanisms underlying IBP activity.
• Exploration of synthetic analogue development and scalable production routes.

Main Results:

• Significant progress has been made in understanding IBP mechanisms.
• Development of bio-inspired synthetic mimics shows promise for various technological applications.
• IBPs and their analogues offer potential solutions for cryopreservation and ice-related technologies.

Conclusions:

• Knowledge-based development of cheap, bio-inspired ice-binding protein mimics is advancing.
• Applications in cryopreservation, ice-templating, and gas hydrate inhibition are expanding.
• Further research into scalable production routes is essential for widespread adoption.