Chinese Science Bulletin

, Volume 52, Issue 21, pp 2913–2918 | Cite as

Dialdehyde starch nanoparticles: Preparation and application in drug carrier

  • Yu DanMi 
  • Xiao SuYao 
  • Tong ChunYi 
  • Chen Lin 
  • Liu XuanMing 
Articles Chemical Biology

Abstract

Dialdehyde starch nanoparticles (DASNP) were prepared by the redox reaction of NaIO4 and starch in water-in-oil microemulsion. IR spectrum showed that DASNP had aldehyde groups, and quantitative alkali consumption showed that its dialdehyde content was about (50±5)%. The average diameter of DASNP determined by SEM was about 100 nm. TGA-DTA showed that its thermal stability was better than starch nanoparticle (StNP) and dialdehyde starch (DAS). Its low biological toxicity was detected by cell experiment. Also the best mass ratio of doxorubicin (DOX) to combined DASNP detected by UV-VIS was 15 : 1, and the product was effective for controlled release of DOX. The cell experiment showed that the drug-carrier particle (DOX-DASNP) can release DOX for a long time and strengthened the effect of the anticancer drug. This work demonstrates that the DASNP, which has good thermal stability, small particle size, low biological toxicity, and slowly anticancer drug-releasing to strengthen drug effect, is a potentially useful carrier for anticancer drug.

Key words

dialdehyde starch nanoparticle mammary cancer cell drug carrier doxorubicin 

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Copyright information

© Science in China Press 2007

Authors and Affiliations

  • Yu DanMi 
    • 1
  • Xiao SuYao 
    • 1
  • Tong ChunYi 
    • 1
  • Chen Lin 
    • 1
  • Liu XuanMing 
    • 1
  1. 1.State Key Laboratory of Chemo/Biosensing and Chemometrics, Institute of Life Science and Technology, Research Center of Biological Energy Sources & BiomaterialHunan UniversityChangshaChina

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