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Enzyme‐Responsive Controlled Release of Covalently Bound Prodrug from Functional Mesoporous Silica Nanospheres
Author(s) -
Popat Amirali,
Ross Benjamin P.,
Liu Jian,
Jambhrunkar Siddharth,
Kleitz Freddy,
Qiao Shi Zhang
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201206416
Subject(s) - prodrug , sulfapyridine , nanocarriers , mesoporous silica , chemistry , covalent bond , enzyme , combinatorial chemistry , mesoporous material , biochemistry , organic chemistry , drug delivery , catalysis
I want to break free : Mesoporous silica nanoparticles are functionalized with sulfasalazine (SZ; see scheme), a prodrug of 5‐aminosalicylic acid (5‐ASA) and sulfapyridine, to generate enzyme‐responsive nanocarriers. In the presence of the colon‐specific enzyme azo‐reductase (orange), 5‐ASA and sulfapyridine are efficiently released.