Silver cluster induced absorption enhancement and conformation control of peptides

We present a theoretical study of the structural and optical properties of isolated silver cluster-tripeptide hybrid systems. We show that small silver clusters induce enhancement of the optical absorption of peptides. Moreover, silver clusters bound to peptides can reduce the conformational flexibi...

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Bibliographic Details
Published in:The European physical journal. D, Atomic, molecular and optical physics (Print) Atomic, molecular and optical physics (Print), 2009-04, Vol.52 (1-3), p.203-206
Main Authors: Kulesza, A., Mitrić, R., Bonačić-Koutecký, V.
Format: Article
Language:English
Subjects:
Applications of Nonlinear Dynamics and Chaos Theory
Atomic
Atomic and molecular clusters
Atomic and molecular physics
Charged clusters
Exact sciences and technology
Molecular
Optical and Plasma Physics
Optical Properties
Optical properties of clusters
Physical Chemistry
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Spectroscopy/Spectrometry
Spintronics
Studies of special atoms, molecules and their ions
clusters
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Summary:We present a theoretical study of the structural and optical properties of isolated silver cluster-tripeptide hybrid systems. We show that small silver clusters induce enhancement of the optical absorption of peptides. Moreover, silver clusters bound to peptides can reduce the conformational flexibility and invoke changes of the secondary structure. Thus, they might serve as local optical probes in biolabelling applications.
ISSN:1434-6060
1434-6079
DOI:10.1140/epjd/e2009-00056-2