Optical sensor with beads

Details Optical sensor with beads Optical sensor with beads

1982-09-28

1985-12-10

Turk, Arnold

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 56, 422 87, 422 91, G01N 2177, G01N 2178, G01N 3352

Patent

active

045579008

ABSTRACT:
An optical sensor comprising a selectively permeable matrix of hydrophobic material and a plurality of hydrophilic beads dispersed in the matrix. At least some of the beads carry an optical indicator. The matrix is capable of transmitting light at least at selected wavelengths from outside the matrix to the beads.

REFERENCES:
patent: 3418083 (1968-10-01), Rey et al.
patent: 3616251 (1971-10-01), Lecco et al.
patent: 3824150 (1974-07-01), Lilly et al.
patent: 3993451 (1976-11-01), Verbeck
patent: 4003707 (1977-01-01), Lubbers et al.
patent: 4102746 (1978-07-01), Goldberg
patent: 4200110 (1980-04-01), Peterson et al.
patent: 4356149 (1982-10-01), Kitajima et al.
patent: 4438067 (1984-03-01), Siddiqi

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