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.
Patent No.:
Date of Patent:
Jun. 14, 1983
Filed:
Feb. 02, 1982
Kenichi K Yabusaki, Albany, CA (US);
Hana Biologics, Inc., Emeryville, CA (US);
Abstract
An immunologic assay for determining the presence of one or more phospholipids in a biological fluid. The method includes adding an ethanolic solution of diacylphosphatidylcholine or alkyltrimethylammonium halide and cholesterol to the biological fluid forming a macromolecular aggregate complex solution. To this solution is added antibody molecules to the phospholipids in an aqueous buffered medium causing an agglutination reaction. The product of the reaction is then examined to determine the presence of the phospholipids. The method is particularly useful in determining the presence of phosphatidylglycerol in a sample of amniotic fluid. Thus, the assay may be used in evaluating fetal lung maturity.