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Detection of multiple fluorescent labels using superconducting tunnel junction detectors.

By G. W. Fraser, J. S. (Pat) Heslop-Harrison, T. Schwarzacher, A. D. Holland, P. Verhoeve and A. Peacock


This is the version as published by American Instiitute of physics. It is available online at show that cryogenically cooled, photon counting superconducting tunnel junctions ~STJs! can be used to simultaneously record the optical spectra from multiple biological fluorochromes. Measurements with a single-pixel tantalum STJ with a wavelength resolving power R5l/Dl of about 10 confirm the expected sensitivity advantage with respect to the photomultiplier-based\ud detectors commonly used to record signals from microarrays and other fluorescent biological systems

Publisher: American Institute of Physics
Year: 2003
DOI identifier: 10.1063/1.1599059
OAI identifier:

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