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Last Updated: July 3, 2020

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Patent: 8,986,939

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Summary for Patent: 8,986,939
Title:Integrity testing of hair samples
Abstract: Methods for assessing the condition of keratinized structures, including hair, in particular methods to determine the condition of keratinized structures in relation to suitability for analysis of analytes of interest in a test sample, are presented. The methods comprise contacting the keratinized structure with a non-proteolytic reducing agent and an optional proteolytic agent. The methods further include inspection of the hair sample, or measurement of free protein eluted from the keratinized structure, after reduction and optional proteolysis to determine condition prior to analyte identification and quantitation by known techniques such as immunoassays.
Inventor(s): Hill; Virginia (Los Angeles, CA), Schaffer; Michael I. (Los Angeles, CA), Loni; Elvan (Torrance, CA), Stowe; Gary Neil (Manhattan Beach, CA)
Assignee: Psychemedics Corporation (Acton, MA)
Application Number:14/472,252
Patent Claims:see list of patent claims

Details for Patent 8,986,939

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Discure Medical, Llc CHYMODIACTIN chymopapain INJECTABLE;INJECTION 018663 002 1984-07-09   Start Trial Psychemedics Corporation (Acton, MA) 2033-08-28 DISCN search
Discure Medical, Llc CHYMODIACTIN chymopapain INJECTABLE;INJECTION 018663 001 1984-07-09   Start Trial Psychemedics Corporation (Acton, MA) 2033-08-28 DISCN search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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