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Surface enhanced Raman spectroscopy (SERS) for the detection of intracellular constituents using gold nanoshells

Vo-Dinh, Tuan, Chowdhury, Mustafa H., Lakowicz, Joseph R., Campbell, Colin J., Theofanidou, Eirini, Gryczynski, Zygmunt, Lee, Seung Joon, Baldwin, Angela, Sing, Garwin, Yeh, Alvin T., Crain, Jason, Ghazal, Peter and Coté, Gerard L. 2006. Surface enhanced Raman spectroscopy (SERS) for the detection of intracellular constituents using gold nanoshells. Presented at: SPIE BiOS, San Jose, California, 21-26 January 2006. Proceedings Volume 6099, Plasmonics in Biology and Medicine III; 609905 (2006). Society of Photo-optical Instrumentation Engineers, 10.1117/12.646464

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Abstract

This study reports on current work involving the use of Surface Enhanced Raman Spectroscopy (SERS) for the intracellular detection of cell constituents in mouse fibroblast cells using gold nanoshells. Gold nanoshells were acquired from Nanospectra Biosciences that are based on a silica dielectric core and an outer gold shell layer. They have the unique property of a tunable surface plasmon resonance wavelength from the visible through the near infrared which allows control of the electromagnetic field strength on its surface. Hence gold nanoshells can serve as SERS substrates with plasmonic properties that are not aggregation dependent and thus can be expected to overcome the reproducibility problem that is generally associated with aggregation based colloidal metal nanoparticles. These results represent the first steps in the development of a nanoshell-based SERS probe to detect cell organelles and/or intracellular biochemicals with the goal of ultimately improving the ability to monitor intracellular biological processes in real time.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Medicine
Publisher: Society of Photo-optical Instrumentation Engineers
ISBN: 9780819461414
ISSN: 0277-786X
Last Modified: 31 Jan 2020 04:21
URI: http://orca.cf.ac.uk/id/eprint/113399

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