Water-Soluble Polythiophene for Two-Photon Excitation Fluorescence Imaging and Photodynamic Therapy of Cancer

  • Minhuan Lan
  • , Shaojing Zhao
  • , Yusheng Xie
  • , Junfang Zhao
  • , Liang Guo
  • , Guangle Niu
  • , Ying Li
  • , Hongyan Sun
  • , Hongyan Zhang
  • , Weimin Liu
  • , Jinyuan Zhang
  • , Pengfei Wang*
  • , Wenjun Zhang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

Positively charged water-soluble polythiophene (PT0) that could self-assemble into nanoparticles in pure water solution was designed and synthesized. PT0 exhibited high photostabilities and pH stabilities, excellent biocompatibility, strong 1O2 generation capability, and large two-photon absorption cross sections. Moreover, we showed that the fluorescence of PT0 was unaffected by the interference of biomolecules and metal ions. As an example application, PT0 was demonstrated to be capable of simultaneous cell imaging and photodynamic therapy under either one-photon or two-photon excitation modes.

Original languageEnglish
Pages (from-to)14590-14595
Number of pages6
JournalACS Applied Materials and Interfaces
Volume9
Issue number17
DOIs
Publication statusPublished - 3 May 2017
Externally publishedYes

Keywords

  • PDT
  • conjugated polymer
  • fluorescence imaging
  • two photon

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