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2014•Technology & Development of Chemical IndustryRequires access

Research on Chitosan Nanoparticles based on Dynamic Light Scattering

Lou Ben-zhu

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Abstract

The chitosan nanoparticles were prepared by ionic gelation method and the size distribution and Zeta potential were measured by dynamic light scattering technique. The results showed that the size distribution of chitosan nanoparticles was from unimodal to bimodal with the TPP content decreasing and it indicated that the aggregation effect between nanoparticles was caused by the TPP content decreasing. The Zeta potential reduced gradually with the TPP content decreased. This was because more NH3+ions on the surface of chitosan nanoparticles neutralized triphosphoric groups for TPP content increasing.

About this research paper

What this paper is about

The chitosan nanoparticles were prepared by ionic gelation method and the size distribution and Zeta potential were measured by dynamic light scattering technique. The results showed that the size distribution of chitosan nanoparticles was from unimodal to bimodal with the TPP content decreasing and it indicated that the aggregation effect between nanoparticles was caused by the TPP content decreasing. The Zeta potential reduced gradually with the TPP content decreased. This was because more NH3+ions on the surface of chitosan nanoparticles neutralized triphosphoric groups for TPP content increasing.

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Available abstract

The chitosan nanoparticles were prepared by ionic gelation method and the size distribution and Zeta potential were measured by dynamic light scattering technique. The results showed that the size distribution of chitosan nanoparticles was from unimodal to bimodal with the TPP content decreasing and it indicated that the aggregation effect between nanoparticles was caused by the TPP content decreasing. The Zeta potential reduced gradually with the TPP content decreased. This was because more NH3+ions on the surface of chitosan nanoparticles neutralized triphosphoric groups for TPP content increasing.

Key concepts: Zeta potential, Chitosan, Dynamic light scattering, Nanoparticle, Chemical engineering, Chemistry, Ion, Light scattering

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