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Free-standing liposomal nanohybrid cerasomes as ideal materials for sensing of cupric ions

  • Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Super-stable and free-standing cerasomes with inorganic polyorganosiloxane surfaces were developed for the sensing of Cu2+ by encapsulating Nile red (NR) dye as a fluorescence reporter. 1,2-Dimynistoyl-sn-glycero-3- phosphatidylethanolamine (DMPE) was incorporated into the cerasomes to serve as the chelating agent for cupric ions. The intraparticle energy transfer from NR to Cu2+ caused the fluorescence quenching of NR, showing the prospect of these cerasomes as a fluorescence "turn-off" sensor for the detection of trace copper ions.

Original languageEnglish
Pages (from-to)2027-2031
Number of pages5
JournalAnalyst
Volume137
Issue number9
DOIs
StatePublished - 7 May 2012

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