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Synthesis and characterization of nanoparticles with an iron oxide magnetic core and a biologically active trialkylsilylated aliphatic alkanolamine shell

  • Alla Zablotskaya*
  • , Izolda Segal
  • , Mikhail Maiorov
  • , Dmitry Zablotsky
  • , Anatoly Mishnev
  • , Edmunds Lukevics
  • , Irina Shestakova
  • , Ilona Domracheva
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

Water-soluble double-coated magnetic nanoparticles (NPs) containing cytotoxic decyldimethyl(β-dimethylaminoethoxy)silane methiodide (AA) molecule sorbed at biocompatible magnetic particles, which consist of magnetite pre-coated with oleic acid (OA), have been prepared. X-ray line profile broadening analysis was used for crystallite size determination. The method of magnetogranulometry has been used for determination of diameter of iron oxide magnetic core and magnetic properties of NPs prepared. In vitro cytotoxicity on monolayer tumor cell lines HT-1080 (human fibrosarcoma), MG-22A (mouse hepatoma) and normal mouse fibroblasts (NIH 3T3) has been studied. It was revealed that all the water-based colloidal solutions obtained are non-toxic and possess high NO-induction ability.

Original languageEnglish
Pages (from-to)135-139
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume311
Issue number1 SPEC. ISS.
DOIs
Publication statusPublished - Apr 2007

Keywords

  • Alkanolamines
  • Cytotoxicity
  • Iron oxide
  • Magnetic nanoparticles
  • Magnetoliposomes
  • Organosilicon

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