Issue 6, 2014
From the journal:

Chemical Communications

A method for separating PEGylated Au nanoparticle ensembles as a function of grafting density and core size†

Feng Lu,ab   Tennyson L. Doane,a   Jun-Jie Zhu*b  and  Clemens Burda*a  

* Corresponding authors

a Department of Chemistry, Case Western Reserve University, 10900 Euclid Ave., Cleveland, Ohio, 44106 USA
E-mail: burda@case.edu
Fax: +1-216-368-3006
Tel: +1-216-368-5313

b State Key Lab. of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
E-mail: jjzhu@nju.edu.cn
Fax: +86-25-8359-7204
Tel: +86-25-8359-7204

Abstract

After ligand exchange with PEG, Au NPs with differently mixed surface functionalities co-exist in the as-synthesized sample. It is found that the poorly grafted nanoparticles can be simply removed using a chromatographic method, and the well grafted nanoparticles can be eluted as a function of the core size.

Graphical abstract: A method for separating PEGylated Au nanoparticle ensembles as a function of grafting density and core size

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Article information

DOI
https://doi.org/10.1039/C3CC47124A
Article type
Communication
Submitted
17 Sep 2013
Accepted
27 Oct 2013
First published
28 Oct 2013

Chem. Commun., 2014,50, 642-644

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A method for separating PEGylated Au nanoparticle ensembles as a function of grafting density and core size

F. Lu, T. L. Doane, J. Zhu and C. Burda, Chem. Commun., 2014, 50, 642 DOI: 10.1039/C3CC47124A

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