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Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles
Published on: January 7, 2019
Recent advances in nanoparticle preparation by spray and micro-emulsion methods
Morteza Eslamian1, Marzieh Shekarriz
1Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario, Canada. m.eslamian@utoronto.ca
Recent Patents on Nanotechnology
|June 13, 2009
Summary
This study reviews spray and microemulsion methods for producing micro- and nanoparticles. These techniques offer promising solutions for controlling particle characteristics for diverse applications.
Area of Science:
- Materials Science
- Nanotechnology
- Chemical Engineering
Background:
- Micro- and nanoparticles are crucial for applications like sensors, coatings, catalysts, and pharmaceuticals.
- Controlling particle size, distribution, crystallinity, and morphology is a key challenge in nanoparticle synthesis.
- Various methods exist for nanoparticle production, each with specific application suitability.
Purpose of the Study:
- To introduce and review two prominent nanoparticle production methods: spray and microemulsion techniques.
- To discuss recent advancements, research directions, and challenges associated with these methods.
- To review pertinent patents related to spray and microemulsion nanoparticle production.
Main Methods:
- Spray techniques: Single-step methods for producing diverse micro- and nanoparticles, including quantum dots.
- Microemulsion method: A wet chemistry approach utilizing aqueous domains (reverse micelles) dispersed in an oil phase.
Main Results:
- Spray techniques enable the production of a wide range of simple to multicomponent functional micro- and nanoparticles.
- Microemulsion systems provide a controlled environment for nanoparticle synthesis through wet chemistry.
- Both methods are gaining attention for their potential in advanced material development.
Conclusions:
- Spray and microemulsion methods are key techniques for synthesizing functional micro- and nanoparticles.
- Further research is needed to address challenges and optimize these methods for specific applications.
- Patent landscape analysis highlights ongoing innovation in nanoparticle production technologies.

