Format

Send to

Choose Destination
Analyst. 2013 Jan 7;138(1):333-8. doi: 10.1039/c2an35971e. Epub 2012 Nov 7.

Receptor modified gold and silver nanoparticles: effect on interactions with oxoanions.

Author information

1
Institute of Chemical Technology Prague, Department of Analytical Chemistry, Technická 5, 166 28 Prague 6, Czech Republic.

Abstract

Herein we present a supramolecular non-covalent approach for the modification of gold nanoparticles (GNPs) and silver nanoparticles (SNPs) with porphyrin derivatives. The immobilization of porphyrin derivatives was carried out by two different procedures of ionic interaction. The first one was direct immobilization of the conjugate on nanoparticles and the second one was immobilization of the conjugate on 3-mercaptopropanoic acid (MPA) premodified gold nanoparticles. Such modified nanoparticles were used for interactions with selected oxoanions. The interactions were studied by UV-Vis absorption spectroscopy and electronic circular dichroism. The results showed a dependence of interaction with oxoanions on the immobilization procedures of porphyrin derivatives on the nanoparticle surface.

PMID:
23133826
DOI:
10.1039/c2an35971e

Supplemental Content

Full text links

Icon for Royal Society of Chemistry
Loading ...
Support Center