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Citation: ZHANG Hong-Bin, YAO Ri-Sheng, HE Bao-Fang, YOU Ya-Hua, DENG Sheng-Song. Preparation of Cross-linked Starch Nanoparticles in W/O microemulsion[J]. Chinese Journal of Applied Chemistry, ;2004, 21(10): 1034-1037. shu

Preparation of Cross-linked Starch Nanoparticles in W/O microemulsion

1.
Department of Pharmaceutical Engineering, Hefei University of Technology, Hefei 230009

Corresponding author: YAO Ri-Sheng,
Received Date: 29 September 2003
Available Online: 14 June 2004

Starch nanoparticles have been prepared from epichlorohydrin cross-linked starch in W/O microemulsion of n-hexane, surfactant(Span-60) and aqueous starch. The morphology and size distribution of sphe-rical nanoparticles, investigated by TEM and dynamic light scattering(DLS), have been correlated with starch concentration. The results show that the starch nanoparticles were spherical and their radius increased and distribution became broader with the increase of starch concentration. The diameter of the nanoparticles ranged from 15.6 to 226 nm with an average of 92.2 nm. The diameter of 69% of the particles was less than 100 nm.
- starch,
- nanoparticle,
- W/O microemulsion
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