Smart Pickering emulsions stabilized by functionalized nanoparticles: Innovative applications in advanced food...

Area of Science:

• Materials Science
• Colloid and Surface Chemistry
• Nanotechnology

Background:

• Pickering emulsions (PEs) offer superior stability and active ingredient protection due to solid particle stabilization.
• Conventional PEs lack stimuli-responsive properties, limiting their dynamic functionality.
• Surface functionalization of nanoparticles is key to creating smart PEs with tunable responses.

Purpose of the Study:

• To review the stabilization mechanisms and influencing factors of PEs.
• To summarize stimuli-responsive mechanisms of nanoparticles for smart PEs.
• To highlight surface functionalization strategies for stimuli-responsive nanoparticles and their applications in advanced packaging.

Main Methods:

• Review of literature on Pickering emulsion stabilization.
• Analysis of stimuli-responsive mechanisms in nanoparticle stabilizers.
• Exploration of surface modification techniques (chemical grafting, electrostatic adsorption, self-assembly, etc.).
• Examination of smart PEs in active, indicator, self-healing, and degradable packaging.

Main Results:

• Surface functionalization effectively introduces stimuli-responsiveness to nanoparticles for smart PEs.
• Various methods like chemical grafting and self-assembly are successful in modifying nanoparticle surfaces.
• Smart PEs demonstrate significant potential in diverse advanced packaging applications.

Conclusions:

• Functionalized nanoparticles are crucial for developing stimuli-responsive Pickering emulsions.
• Smart PEs offer innovative solutions for advanced packaging materials, including active and degradable options.
• Further research into optimizing smart PEs will expand their industrial applications.