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Issue 16, 2015
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Design of PAMAM-COO dendron-grafted surfaces to promote Pb(ii) ion adsorption

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Abstract

An expanding area of green technology is the wastewater treatment of heavy metal ions. As the adsorption of cations onto solid surfaces has been proven to be successful, recent research has demonstrated enhanced adsorption profiles by grafting dendron brushes onto a solid support. Via the molecular dynamics technique, we examine the adsorption of Pb(II) ions onto polyamidoamine (PAMAM) with carboxylate terminal groups through a coarse-grained implicit solvent model. We identify dendron generations and grafting densities, or surface coverage levels, which demonstrate optimal adsorption of Pb(II) ions. Our results can be potentially used to design functionalized surfaces for metal ion adsorption in application entailing environmental remediation or protective surface coating.

Graphical abstract: Design of PAMAM-COO dendron-grafted surfaces to promote Pb(ii) ion adsorption

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Supplementary files

Article information


Submitted
17 Jan 2015
Accepted
13 Mar 2015
First published
17 Mar 2015

Phys. Chem. Chem. Phys., 2015,17, 10615-10623
Article type
Paper
Author version available

Design of PAMAM-COO dendron-grafted surfaces to promote Pb(II) ion adsorption

L. Chong and M. Dutt, Phys. Chem. Chem. Phys., 2015, 17, 10615
DOI: 10.1039/C5CP00309A

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