Nanoparticles featuring amino acid-functionalized side chains as DNA receptors.

Abstract:

:A family of nanoparticles has been fabricated featuring cationic amino acid-based side chains. This controlled surface modification provides a tool to investigate the effect of various non-covalent interactions at the nanoparticle-DNA interface. The binding affinities of these nanoparticles towards DNA were determined using fluorescence, exhibiting more than threefold modulation in binding a 37-mer DNA strand. The secondary structure of the DNA strand was distorted upon nanoparticle binding, with the extent of distortion dependent on the structure of amino acid side chain.

journal_name

Chem Biol Drug Des

authors

Ghosh PS,Han G,Erdogan B,Rosado O,Krovi SA,Rotello VM

doi

10.1111/j.1747-0285.2007.00534.x

subject

Has Abstract

pub_date

2007-07-01 00:00:00

pages

13-8

issue

1

eissn

1747-0277

issn

1747-0285

pii

JPP534

journal_volume

70

pub_type

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