Thank you for choosing to shop with us! We appreciate your support and look forward to serving you again in the future. Categories: All Antibodies Antigens Blocks & Stabilizers Gold Particles Kits All / All Antibodies Antigens Blocks & Stabilizers Gold Particles Kits Colloidal Gold (100 OD) - 10 mL $299.95 Colloidal Gold (2.0 OD) 40 nm - 1L $1,000.00 Colloidal Gold (1.0 OD) 40 nm - 1L $575.00