Premium
A Remarkably Efficient MnFe 2 O 4 ‐based Oxidase Nanozyme
Author(s) -
Vernekar Amit A.,
Das Tandrila,
Ghosh Sourav,
Mugesh Govindasamy
Publication year - 2016
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.201500942
Subject(s) - nanomaterials , nanotechnology , chemistry , redox , oxidase test , oxide , materials science , enzyme , inorganic chemistry , biochemistry , organic chemistry
Nanomaterials‐based enzyme mimetics (nanozymes) have attracted considerable interest due to their applications in imaging, diagnostics, and therapeutic treatments. Particularly, metal‐oxide nanozymes have been shown to mimic the interesting redox properties and biological activities of metalloenzymes. Here we describe an efficient synthesis of MnFe 2 O 4 nanomaterials and show how the morphology can be controlled by using a simple co‐precipitation method. The nanomaterials prepared by this method exhibit a remarkable oxidase‐like activity. Interestingly, the activity is morphology‐dependent, with nanooctahedra (NOh) exhibiting a catalytic efficiency of 2.21×10 9 m −1 s −1 , the highest activity ever reported for a nanozyme.