A Prussian Blue-Based Core-Shell Hollow-Structured Mesoporous Nanoparticle as a Smart Theranostic Agent with Ultrahigh pH-Responsive Longitudinal Relaxivity

Xiaojun Cai, Wei Gao, Ming Ma, Meiying Wu, Linlin Zhang, Yuanyi Zheng, Hangrong Chen, Jianlin Shi

Research output: Contribution to journalArticlepeer-review

263 Scopus citations

Abstract

Novel core-shell hollow mesoporous Prussian blue @ Mn-containing Prussian blue analogue (HMPB@MnPBA) nanoparticles, designated as HMPB-Mn) as an intelligent theranostic nanoagent, are successfully constructed by coating a similarly crystal-structured MnPBA onto HMPB. This can be used as a pH-responsive T1-weighted magnetic resonance imaging contrast agent with ultrahigh longitudinal relaxivity (r1 = 7.43 m m-1 s-1), and achieves the real-time monitoring of drug release.

Original languageEnglish
Pages (from-to)6382-6389
Number of pages8
JournalAdvanced Materials
Volume27
Issue number41
DOIs
StatePublished - 1 Nov 2015
Externally publishedYes

Keywords

  • Prussian blue
  • magnetic resonance imaging
  • manganese
  • pH-responsive
  • theranostics

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