Test element for quantitative NIR spectroscopic analysis

Details Test element for quantitative NIR spectroscopic analysis Test element for quantitative NIR spectroscopic analysis

1995-01-31

1996-06-04

Alexander, Lyle A.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 681, 422 8205, 422 55, G01N 2103

Patent

active

055230547

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.

REFERENCES:
patent: 3992158 (1976-11-01), Pryzbylowicz et al.
patent: 4357363 (1982-11-01), Pierce et al.
patent: 4582684 (1986-04-01), Vogel et al.

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