Chemistry: analytical and immunological testing – Optical result – Spectrum analysis
Patent
1995-05-09
1996-07-16
Alexander, Lyle A.
Chemistry: analytical and immunological testing
Optical result
Spectrum analysis
436 63, 422 8205, G01N 2162
Patent
active
055366643
ABSTRACT:
There is disclosed a slide test element and method of assay that allows for detection of analytes in biological liquids without the use of any detection reagents. The method uses NIR spectroscopy and a test element comprising a support, and a substantially constant light-path defining layer comprising a diffusely-reflecting material that is a) sufficiently porous in all directions as to allow a liquid to spread uniformly in all directions, and b) homogeneously reflects at least 95% of NIR radiation.
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Kissel Thomas R.
Switalski Steven C.
Alexander Lyle A.
Johnson & Johnson Clinical Diagnostics Inc.
Schmidt Dana M.
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