BioMag®Plus Goat anti-Mouse IgG Particles are a suspension of BioMag®Plus particles approximately 1µm in size that have Goat anti-Mouse IgG antibody covalently attached. BioMag®Plus Goat anti-Mouse IgG Particles are suitable for enzyme immunoassays that utilize a mouse IgG primary monoclonal antibody and in magnetic cell sorting methods that utilize mouse monoclonal antibodies directed to specific cell surface receptors.