The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 26, 1978

Filed:

Mar. 03, 1977
Applicant:
Inventors:

Avraham Bruck, Haifa, IL;

Michael Inbar, Rehovot, IL;

Assignee:

Elscint Ltd., Haifa, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2504 / ;
Abstract

The normality of a cell labelled with a lipid soluble fluorescent dye and excited with a beam of polarized light can be evaluated by measuring the time dependence of the state of polarization of fluorescence emitted by the cell which is determined by simultaneously measuring the intensities of fluorescence polarized in directions parallel and perpendicular to the direction of polarization of the excitation beam. The state of polarization of a cell changes markedly as a function of excitation time when the cell is abnormal (i.e., malignant), while the state of polarization of a cell remains substantially constant when the cell is normal. Classification of cells in a population by way of the stability of the state of polarization provides guidance in determining the presence of malignancy in the population.


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Bruck, Avraham. (1978). Method of and apparatus for differentiating between normal and malignant (U.S. Patent No. 4131800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4131800

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