Optical fiber event sensor

Details Optical fiber event sensor Optical fiber event sensor

1988-10-11

1989-12-12

Lee, John D.

Surgery

Truss

Pad

350 9610, 350 9634, 128633, 128634, 128636, 250227, 250237R, 8541, 8562, 8593, 356 39, 422 55, 422 57, G02B 602, A61B 500, C09B 6700, G01N 3348

Patent

active

048863386

ABSTRACT:
A micro pH sensor is constructed by reacting powdered aminoalkylated cellulose with a dye to covalently bond the dye to the aminoalkyl groups on the cellulose. Any excess unreacted aminoalkyl groups are blocked with a blocking agent and the dye containing powdered cellulose is taken up in a solvent. A portion of the solvated dye containing cellulose is deposited in association with an optical fiber. The cellulose is regenerated into a solid matrix by acid treatment of the solvated dye containing cellulose to deposit the dye containing celllulose matrix on the optical fiber.

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Gehrich et al., "Optical Fluorescence and It's Application . . . ", IEEE Trans. on Biomed. Eng., vol. BME-33, No. 2, 2/86, pp. 120-122.

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