Microdroplet fabrication of silver–agarose nanocomposite beads for SERS optical accumulation
Microdroplet fabrication of silver–agarose nanocomposite beads for SERS optical accumulation
Microdroplets have been used as reactors for the fabrication of agarose beads with high uniformity in shape and size, and densely loaded with silver ions, which were subsequently reduced into nanoparticles using hydrazine. The resulting nanocomposite beads not only display a high plasmonic activity, but can also trap/concentrate analytes, which can be identified by means of surface-enhanced Raman scattering (SERS) spectroscopy. The size of the beads is such that it allows the detection of a single bead under a conventional optical microscope, which is very useful to reduce the amount of material required for SERS detection
1321-1325
Abalde-Cela, Sara
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Auguié, Baptiste
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Fischlechner, Martin
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Huck, Wilhelm T. S.
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Alvarez-Puebla, Ramón A.
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Liz-Marzán, Luis M.
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Abell, Chris
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2011
Abalde-Cela, Sara
588fed20-7e45-4879-ba99-c70bb8bdd78d
Auguié, Baptiste
a985d062-08e7-4a89-913c-d5215e1fd699
Fischlechner, Martin
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Huck, Wilhelm T. S.
1495471b-acd7-40d2-a32e-99b98d36b936
Alvarez-Puebla, Ramón A.
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Liz-Marzán, Luis M.
1c2b0cbb-6a7c-4140-a20b-e3be393ad557
Abell, Chris
9b071a5d-04c5-464e-8d19-e37e41d1a046
Abalde-Cela, Sara, Auguié, Baptiste, Fischlechner, Martin, Huck, Wilhelm T. S., Alvarez-Puebla, Ramón A., Liz-Marzán, Luis M. and Abell, Chris
(2011)
Microdroplet fabrication of silver–agarose nanocomposite beads for SERS optical accumulation.
Soft Matter, 7 (4), .
(doi:10.1039/c0sm00601g).
Abstract
Microdroplets have been used as reactors for the fabrication of agarose beads with high uniformity in shape and size, and densely loaded with silver ions, which were subsequently reduced into nanoparticles using hydrazine. The resulting nanocomposite beads not only display a high plasmonic activity, but can also trap/concentrate analytes, which can be identified by means of surface-enhanced Raman scattering (SERS) spectroscopy. The size of the beads is such that it allows the detection of a single bead under a conventional optical microscope, which is very useful to reduce the amount of material required for SERS detection
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e-pub ahead of print date: 26 October 2010
Published date: 2011
Organisations:
Organic Chemistry: SCF
Identifiers
Local EPrints ID: 342567
URI: http://eprints.soton.ac.uk/id/eprint/342567
ISSN: 1744-683X
PURE UUID: efb31bef-86fe-4936-ac4f-66bd716561c7
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Date deposited: 07 Sep 2012 13:43
Last modified: 14 Mar 2024 11:52
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Contributors
Author:
Sara Abalde-Cela
Author:
Baptiste Auguié
Author:
Martin Fischlechner
Author:
Wilhelm T. S. Huck
Author:
Ramón A. Alvarez-Puebla
Author:
Luis M. Liz-Marzán
Author:
Chris Abell
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