Nanoparticle tracking analysis for the multiparameter characterization and counting of nanoparticle suspensions

Area of Science:

• Materials Science
• Nanotechnology
• Analytical Chemistry

Background:

• Nanoparticle Tracking Analysis (NTA) is a powerful technique for characterizing nanoparticles.
• Accurate sizing and counting of nanoparticles are crucial in various scientific fields.

Purpose of the Study:

• To demonstrate the application of NTA for analyzing 100 nm polystyrene nanospheres.
• To highlight the capabilities of NTA for nanoparticle characterization.

Main Methods:

• Utilizing Nanoparticle Tracking Analysis (NTA) for real-time particle visualization and sizing.
• Analyzing Brownian motion to determine sphere equivalent hydrodynamic diameter.
• Obtaining high-resolution particle size distributions within minutes.

Main Results:

• NTA successfully visualized, sized, and counted 100 nm polystyrene nanospheres in liquid suspension.
• The technique provided accurate particle size distributions.
• Demonstrated the versatility of NTA for a range of particulate materials.

Conclusions:

• NTA is a reliable method for real-time nanoparticle characterization.
• The technique is applicable to a wide range of particulate materials from 10 nm to 1 μm.
• NTA enables rapid and high-resolution analysis of nanoparticle suspensions.