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A Technique to Functionalize and Self-assemble Macroscopic Nanoparticle-ligand Monolayer Films onto Template-free Substrates
Published on: May 9, 2014
Introduction to nanocoatings produced by layer-by-layer (LbL) self-assembly
Melgardt M de Villiers1, Daniel P Otto, Schalk J Strydom
1School of Pharmacy, University of Wisconsin-Madison, Madison, WI 53705-2222, USA. mmdevilliers@pharmacy.wisc.edu
Advanced Drug Delivery Reviews
|June 25, 2011
Summary
Multilayered polyelectrolyte self-assembly enables the creation of versatile, stimuli-responsive nanoparticles. This layer-by-layer technique offers precise control for advanced applications in sensing and drug delivery.
Area of Science:
- Materials Science
- Nanotechnology
- Colloid Science
Background:
- Layer-by-layer (LbL) assembly builds on colloidal particle adsorption.
- This technique creates multifunctional, stimuli-responsive carrier systems.
Purpose of the Study:
- To explore the versatility of LbL assembly for creating advanced nanocoats.
- To highlight applications in sensing, encapsulation, and drug delivery.
Main Methods:
- Utilizing synthetic and natural polyelectrolytes, metal oxides, and clay nanoparticles.
- Encapsulating diverse substrates like dyes, enzymes, drugs, and cells.
- Functionalizing particle surfaces with targeting molecules or catalysts.
Main Results:
- LbL constructs offer tunable properties based on processing parameters.
- Successful encapsulation of various materials and functionalization of outer surfaces.
- Demonstrated versatility for sensing, encapsulation, and drug delivery.
Conclusions:
- LbL assembly is a simple yet powerful technique for creating sophisticated nanostructures.
- These constructs are highly adaptable for targeted and responsive applications in nanomedicine and beyond.
