DNA damage upon UV illumination in the presence of inorganic UV-shielding materials

Tsugio Sato, Ahmed Mohamed El-Toni, Shu Yin, Hisao Hidaka

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

White nanoparticles of calcia-doped ceria were prepared from the precipitate by reacting CeCl3-CaCl2 mixed solution with NaOH solution at pH 12 and the oxidation with hydrogen peroxide solution at 40°C, followed by the calcination at 700°C for 1 h. Ceria particles generated far less singlet oxygen and caused far less damage to the DNA plasmids upon UV illumination than either the titania or the zinc oxide reference pigments.

Original languageEnglish
Pages (from-to)293-296
Number of pages4
JournalKey Engineering Materials
Volume352
DOIs
Publication statusPublished - 2007 Jan 1

Keywords

  • Calcia-doped ceria
  • DNA damage
  • Inorganic UV-shielding material
  • Photocatalytic activity
  • Singlet oxygen

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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