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Dopamine coated FeO nanoparticles as enzyme mimics for the sensitive detection of bacteria. | LitMetric
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Dopamine coated FeO nanoparticles as enzyme mimics for the sensitive detection of bacteria.

Shazia Mumtaz Li-Sheng Wang Syed Zajif Hussain Muhammad Abdullah Zille Huma Zafar Iqbal Brian Creran Vincent M Rotello Irshad Hussain

Chem Commun (Camb)

Department of Chemistry, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences (LUMS), DHA, Lahore Cantt - 54792, Lahore, Pakistan.

Published: November 2017

We report a simple and economical colorimetric bacterial sensing strategy with catalytic amplification using dopamine-capped iron oxide (Dop-FeO) nanoparticles. These nanoparticles catalyse the oxidation of a chromogenic substrate in the presence of HO into a green colored product. The catalytic activity of the nanoparticles is inhibited in the presence of bacteria, providing naked eye detection of bacteria at 10 cfu mL and by spectrophotometric detection down to 10 cfu mL.

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 Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5690545PMC
http://dx.doi.org/10.1039/c7cc07149cDOI Listing

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