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:
Sep. 19, 1989
Filed:
Apr. 02, 1988
Wilma A Saffran, Forest Hills, NY (US);
Richard L Edelson, Westport, CT (US);
Francis P Gasparro, Hamden, CT (US);
John T Welsh, New York, NY (US);
Charles R Cantor, New York, NY (US);
The Trustees of Columbia University in the City of New York, New York, NY (US);
Abstract
The present invention provides a compound having the formula ##STR1## wherein Y is biotin or iminobiotin, X is CH.sub.2, P is psoralen or a psoralen derivative, r is an integer equal to or greater than 2 and s is an integer equal to or greater than 1. The invention also provides a method for preparing a biotinylated psoralen or a biotinylated psoralen derivative. Further provided are methods for detecting, purifying, and isolating nucleic acids, and methods for delivering an iminobiotinylated psoralen to a cell.