Chemical approaches to cryopreservation.

Area of Science:

• Cryobiology and Cell Preservation
• Biomedical Research Tools
• Materials Science in Biology

Background:

• Cryopreservation is fundamental for biomedical research, cell banking, and cell-based therapies.
• Current cryoprotectants like glycerol and dimethyl sulfoxide have limitations for certain cells and workflows.
• The need for advanced cryopreservation methods is driven by evolving research and therapeutic demands.

Purpose of the Study:

• To critically review current and emerging chemical tools for cryopreservation.
• To explore novel strategies for discovering and applying new cryoprotective agents.
• To discuss bio-inspired approaches and advanced materials for improved cell preservation.

Main Methods:

• Review of literature on cryoprotectant discovery and application.
• Analysis of cellular damage pathways during cryopreservation.
• Exploration of small-molecule and macromolecular-based cryoprotective strategies.
• Discussion of bio-inspired methods and emerging materials science applications.

Main Results:

• Identified limitations of traditional cryoprotectants necessitate new solutions.
• Summarized key cellular damage mechanisms and strategies to mitigate them.
• Highlighted diverse approaches including ice binders, nucleators, inhibitors, and novel materials.

Conclusions:

• Novel chemical tools and bio-inspired strategies are essential for advancing cryopreservation.
• Future directions include molecular modeling, library-based discovery, and materials science for transformative cryopreservation.
• Improved cryopreservation will enhance cell banking, research reproducibility, and cell-based therapies.