| abstract |
Disclosed is an article for use in an immunodiagnostic assay comprising an elongated stick having at least one portion with a non-liquid absorbing, non-porous surface, containing a ligand capable of binding with an immunoglobulin and a method for isolating an immunoglobulin from a body fluid comprising contacting the body fluid with a non-liquid-absorbing, non-porous substrate capable of binding with the immunoglobulin. |