Dyed inorganic composite particles and process for production th

Details Dyed inorganic composite particles and process for production th Dyed inorganic composite particles and process for production th

1987-01-29

1988-10-25

Marantz, Sidney

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

Carrier is inorganic

252 6254, 42840224, 436525, 436526, G01N 33551, B32B 516

Patent

active

047804220

ABSTRACT:
Dyed inorganic composite particles having a mean particle diameter of 0.1 to 10.0 micrometers and a particle dispersibility value of at least 80%, each of said particles consisting of at least three layers comprising a core, a dyed layer on the surface of the core and a coated layer on the dyed layer, the core being composed of an inorganic compound, the dyed layer being composed of a dye or a mixture of a dye and an inorganic compound, and the coated layer being water-insoluble and light-pervious and composed of an inorganic compound or a mixture of it with a dye. The particles are useful as a carrier for preparing an immunological diagonostic reagent by binding an immunologically active substance (an antigen and an antibody) to them, particularly an immunological diagnostic reagent for use in a microtiter method, or as a hydrophilic pigment.

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Tani et al., J. Appl. Phys. 58(9), Nov. 1, 1985, pp. 3559-3565.
Suzuki et al., Bull. Chem. Soc. Jpn., 56, 957-958 (1983).
Suzuki et al., Chemistry Letters, pp. 1785-1788, 1981.

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