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Issue 9, 2010
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Single metal nanoparticlespectroscopy: optical characterization of individual nanosystems for biomedical applications

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Abstract

The last decade has witnessed the development of a variety of single nanoparticle spectroscopy methods. This has facilitated unprecedented growth of knowledge and understanding of fascinating optical properties of individual metal nanoparticles. This has opened up exciting possibilities of single nanoparticles for applications in many areas including advanced photonics, biomedical imaging and sensing. The field of single nanoparticles detection and characterization is still growing. This paper reviews recent advances in single nanoparticles spectroscopy using both near-field and far-field optics. It covers spectroscopy methods for extremely small (∼ 1 nm) to relatively large nanoparticles (∼ 200 nm) and their optical properties. Different optical techniques are described. Finally, a perspective on possible practical applications of single nanoparticle spectroscopy focusing on biomedical fields is given.

Graphical abstract: Single metal nanoparticle spectroscopy: optical characterization of individual nanosystems for biomedical applications

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Article information


Submitted
16 Feb 2010
Accepted
18 May 2010
First published
27 Jul 2010

Nanoscale, 2010,2, 1560-1572
Article type
Review Article

Single metal nanoparticle spectroscopy: optical characterization of individual nanosystems for biomedical applications

A. Biswas, T. Wang and A. S. Biris, Nanoscale, 2010, 2, 1560
DOI: 10.1039/C0NR00133C

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