Green Strategies for Molecularly Imprinted Polymer Development.

Area of Science:

• Polymer Chemistry
• Materials Science
• Green Chemistry

Background:

• Molecular imprinting technology, established 84 years ago, involves creating artificial receptors in polymeric matrices.
• Molecularly imprinted polymers (MIPs) are utilized in selective binding applications including immunoassays, affinity separation, sensors, and catalysis.
• Conventional MIP synthesis relies heavily on organic solvents, posing environmental concerns and leading to impurities.

Purpose of the Study:

• To review green chemistry and engineering approaches for the synthesis of molecularly imprinted polymers (MIPs).
• To highlight alternative synthetic strategies that minimize or eliminate organic solvent use.
• To showcase advancements in MIP development from nano- to micron-scale applications.

Main Methods:

• Exploration of green synthesis strategies such as supercritical carbon dioxide, microwave irradiation, ionic liquids, and ultrasound technology.
• Analysis of literature examples demonstrating the application of these green approaches in MIP production.
• Focus on methods that control polymer morphology and binding site homogeneity.

Main Results:

• Green strategies improve MIP properties, including controlled morphology and homogeneous binding sites.
• These methods reduce or eliminate the need for hazardous organic solvents.
• Successful application of green approaches in developing nano- and micron-scale MIPs was demonstrated.

Conclusions:

• Green chemistry principles are crucial for advancing molecular imprinting technology.
• Alternative synthetic strategies offer a more sustainable and efficient route to high-quality MIPs.
• The reviewed methods pave the way for broader and environmentally responsible applications of MIPs.