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A Prussian Blue‐Based Core–Shell Hollow‐Structured Mesoporous Nanoparticle as a Smart Theranostic Agent with Ultrahigh pH‐Responsive Longitudinal Relaxivity
Author(s) -
Cai Xiaojun,
Gao Wei,
Ma Ming,
Wu Meiying,
Zhang Linlin,
Zheng Yuanyi,
Chen Hangrong,
Shi Jianlin
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201503381
Subject(s) - prussian blue , materials science , nanoparticle , mesoporous material , nanotechnology , chemical engineering , organic chemistry , electrode , chemistry , engineering , electrochemistry , catalysis
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 T 1 ‐weighted magnetic resonance imaging contrast agent with ultrahigh longitudinal relaxivity ( r 1 = 7.43 m m −1 s −1 ), and achieves the real‐time monitoring of drug release.