A Highly Charged Ag64+ Core in a DNA-Encapsulated Silver Nanocluster

Highly charged: Electrospray‐ionization mass spectrometry shows that single‐stranded oligonucleotide dC12‐encapsulated silver nanoclusters contain Ag64+ cores at basic pH values (see section of spectrum). The high positive charge of the cluster cores is presumably essential for preventing the multip...

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Published in:Chemistry : a European journal 2010-03, Vol.16 (11), p.3285-3290
Main Authors: Koszinowski, Konrad, Ballweg, Korbinian
Format: Article
Language:English
Subjects:
Chemistry
cluster compounds
DNA
mass spectrometry
nanoclusters
silver
UV/Vis spectroscopy
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Ballweg, Korbinian
description Highly charged: Electrospray‐ionization mass spectrometry shows that single‐stranded oligonucleotide dC12‐encapsulated silver nanoclusters contain Ag64+ cores at basic pH values (see section of spectrum). The high positive charge of the cluster cores is presumably essential for preventing the multiply deprotonated dC12 ligand from unfolding.
doi_str_mv 10.1002/chem.200902743
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subjects Chemistry
cluster compounds
DNA
mass spectrometry
nanoclusters
silver
UV/Vis spectroscopy
title A Highly Charged Ag64+ Core in a DNA-Encapsulated Silver Nanocluster
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