Spectrophotometric method for quantitatively determining the con

Details Spectrophotometric method for quantitatively determining the con Spectrophotometric method for quantitatively determining the con

1987-09-04

1989-02-21

Wayner, William E.

Surgery

Truss

Pad

250339, 356 41, 356320, G01N 3348

Patent

active

048056235

ABSTRACT:
A spectrophotometric method is described of quantitatively determining the concentration of a dilute component in either a clear or a strongly light-scattering environment containing same in unknown concentration together with a reference component of known concentration, by a series of contemporaneous radiation-directing and measurement steps of radiation of selected varying wavelengths. Specific applications are disclosed involving the in situ, in vivo, non-invasive spectrophotometric determination of blood-borne as well as tissue species, e.g., hemoglobin, and oxyhemoglobin, and intra-cellular enzyme cytochrome c oxidase, in human body parts such as fingers, hands, toes, feet, earlobes, etc., as well as organs such as the brain, skeletal muscle, liver, etc.

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"Scanning The Brain With Light", Popular Mechanics, p. 66, Nov. 1987.

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