NON-INVASIVE MEASUREMENT OF OPTICALLY ACTIVE COMPOUNDS

The concentration of an optically active compound in a sample is determined by measuring the entire polarisation state of the sample and comparing it with that of a sample having a known concentration of the compound. The apparatus comprises a source of unpolarised light (10), a device (12) for mani...

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Bibliographic Details
Main Authors PEZZANITI, J., LARRY, LINDBERG, JOHN, M
Format Patent
LanguageEnglish
French
German
Published 09.06.2004
Edition7
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Summary:The concentration of an optically active compound in a sample is determined by measuring the entire polarisation state of the sample and comparing it with that of a sample having a known concentration of the compound. The apparatus comprises a source of unpolarised light (10), a device (12) for manipulating its polarisation state, a sample holder (14), a second device (16) for manipulating the polarisation state of light passing through it, a light detector (18), and an analyser (20) which correlates a received signal with the concentration of the optically active compound. Devices (10,12,14,16,18) are optically aligned.
Bibliography:Application Number: EP19970914986