Chemical analysis in photostructurable glass chips

Becker , H., Arundell, Martin, Harnisch, A. and Hulsenberg, D. (2002) Chemical analysis in photostructurable glass chips. Sensors and Actuators B: Chemical, 86, (2-3), 271-279. (doi:10.1016/S0925-4005(02)00162-4).


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We have fabricated a capillary electrophoresis (CE) chip from photostructurable glass. This material allows, unlike conventional amorphous glasses, the fabrication of microstructures, namely micro-channels with an aspect ratio of >1 using the wet etching processes. The high aspect ratio allows, for a given channel cross-section, a longer optical path length resulting in improved detection limits for optical detection methods. This paper describes the fabrication of a single depth photostructurable glass device, with dimensions of 500 ?m depth and 200 ?m width, which was characterised with the CE separation of amino-acids.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/S0925-4005(02)00162-4
ISSNs: 0925-4005 (print)
1873-3077 (electronic)
Keywords: photostructurable glass, micro-fluidic, fluorescence, amino-acids
Subjects: T Technology > TP Chemical technology
Q Science > QD Chemistry
Divisions : University Structure - Pre August 2011 > School of Biological Sciences
ePrint ID: 155841
Accepted Date and Publication Date:
20 September 2002Published
Date Deposited: 08 Jul 2010 10:58
Last Modified: 31 Mar 2016 13:26

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