Dry multilayer analytical element for analysis of enzymes or tri

Details Dry multilayer analytical element for analysis of enzymes or tri Dry multilayer analytical element for analysis of enzymes or tri

1990-03-14

1991-10-22

Naff, David M.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving transferase

422 56, 422 61, 424 71, 435 18, 435 19, 435 22, 435 25, 435 26, 435805, C12Q 150, C12Q 144, C12Q 126, G01N 3122

Patent

active

050595261

ABSTRACT:
A stable dry multi-layer analytical element for enzyme or triglyceride analysis in a fluid sample is prepared containing first and second layers on a support. The first layer contains a tetrazolium salt as a dye forming precursor. The second layer is adjacent the first layer and contains an electron-transmitting agent. Either layer contains a co-enzyme in oxidized form and either layer contains a reagent containing an enzyme substrate, enzyme or co-enzyme other than the oxidized co-enzyme. The analytical element has improved storage stability and low fog density before and after storage.

REFERENCES:
patent: 3992158 (1976-11-01), Przybylowicz et al.
patent: 4042335 (1977-08-01), Clement
patent: 4066403 (1978-01-01), Bruschi
patent: 4097338 (1978-06-01), Konttinen et al.
patent: 4144306 (1979-03-01), Figueras
patent: 4166093 (1979-08-01), Smith-Lewis et al.
patent: 4503145 (1985-03-01), Katsuyama et al.

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