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:
Jul. 15, 2014
Filed:
Feb. 22, 2011
Frauke Assmus, Basel, CH;
Holger Fischer, Grellingen, CH;
Frauke Assmus, Basel, CH;
Holger Fischer, Grellingen, CH;
Hoffmann-La Roche Inc., Nutley, NJ (US);
Abstract
The invention relates to a method for determining the binding constant of a compound of interest to proteins comprising the following steps: a) adding the high affinity compound to a two-chamber system, wherein the two chambers are separated by a semipermeable membrane, which is permeable for the compound of interest, and determining the amount of the high affinity compound of interest in one of the chambers after the distribution equilibrium has been reached, b) adding a sink compound to one of the chambers whereby the sink compound can not permeate the membrane, and determining the distribution coefficient of the compound of interest to the sink compound after the distribution equilibrium has been reached, c) adding an unspecific protein to the other chamber, whereby the unspecific protein can not permeate the membrane, and determining the distribution coefficient of the compound of interest to the unspecific protein in presence of a sink compound after the distribution equilibrium has been reached, and d) determining the binding constant of the test compound with the distribution coefficient of steps b) and c).