Water detoxification by a substrate-bound catecholamine adsorbent

Mihyun Lee; Junsung Rho; Dong Eun Lee; Seonki Hong; Sun Ju Choi; Phillip B. Messersmith; Haeshin Lee

doi:10.1002/cplu.201200209

Water detoxification by a substrate-bound catecholamine adsorbent

Mihyun Lee, Junsung Rho, Dong Eun Lee, Seonki Hong, Sun Ju Choi, Phillip B. Messersmith, Haeshin Lee

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

65 Scopus citations

Abstract

A bio-inspired approach for detoxification of water has been investigated. In this approach, three major classes of toxic agents, heavy-metal ions (Cr, Hg, Pb, Cu, and Cd), toxic organic species (4-aminopyridine), and a radioisotope (Lutetium-177) were effectively removed from contaminated water by polydopamine, a mussel-inspired adhesive catecholamine (see figure). In addition, this polydopamine filter was easily regenerated by treatment with acid or hydrogen peroxide.

Original language	English
Pages (from-to)	987-990
Number of pages	4
Journal	ChemPlusChem
Volume	77
Issue number	11
DOIs	https://doi.org/10.1002/cplu.201200209
State	Published - Nov 2012

Keywords

Adsorption
Metals
Mussel-inspired adhesives
Polydopamine
Water detoxification

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AU - Choi, Sun Ju

AU - Messersmith, Phillip B.

AU - Lee, Haeshin

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AB - A bio-inspired approach for detoxification of water has been investigated. In this approach, three major classes of toxic agents, heavy-metal ions (Cr, Hg, Pb, Cu, and Cd), toxic organic species (4-aminopyridine), and a radioisotope (Lutetium-177) were effectively removed from contaminated water by polydopamine, a mussel-inspired adhesive catecholamine (see figure). In addition, this polydopamine filter was easily regenerated by treatment with acid or hydrogen peroxide.

KW - Adsorption

KW - Metals

KW - Mussel-inspired adhesives

KW - Polydopamine

KW - Water detoxification

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Water detoxification by a substrate-bound catecholamine adsorbent

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