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Microfluidic integration of photonic crystal fibers for online photochemical reaction analysis.

Authors
  • Unterkofler, S
  • McQuitty, R J
  • Euser, T G
  • Farrer, N J
  • Sadler, P J
  • Russell, P St J
Type
Published Article
Journal
Optics Letters
Publisher
The Optical Society
Publication Date
Jun 01, 2012
Volume
37
Issue
11
Pages
1952–1954
Identifiers
DOI: 10.1364/OL.37.001952
PMID: 22660084
Source
Medline
License
Unknown

Abstract

Liquid-filled hollow-core photonic crystal fibers (HC-PCFs) are perfect optofluidic channels, uniquely providing low-loss optical guidance in a liquid medium. As a result, the overlap of the dissolved specimen and the intense light field in the micronsized core is increased manyfold compared to conventional bioanalytical techniques, facilitating highly-efficient photoactivation processes. Here we introduce a novel integrated analytical technology for photochemistry by microfluidic coupling of a HC-PCF nanoflow reactor to supplementary detection devices. Applying a continuous flow through the fiber, we deliver photochemical reaction products to a mass spectrometer in an online and hence rapid fashion, which is highly advantageous over conventional cuvette-based approaches.

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