abstract |
The present invention provides improved methods for measuring the ratio of free K immunoglobulin light chain molecules to free λ immunoglobulin light chain molecules in a test sample, using a monoclonal antibody that specifically binds to free K and a monoclonal antibody that specifically binds to free λ. The application also provides specific monoclonal antibodies that can be used in the method of the invention, as well as kits containing said monoclonal antibodies. |