PELCO^® Secondary Antibody Gold Conjugates
for Light & Electron Microscopy

Our new line of PELCO^® Gold Secondary Antibody Conjugates are precisely engineered to give uniform gold spheres with a narrow size distribution.

• We currently offer conjugates with gold particle sizes ranging from 5nm - 40nm.
• Available in 0.5mL and 1.0mL volumes at 0.15 mg/mL and an optical density (OD) = 3.
• Polyclonal antibodies available for a variety of host and target species.
• The gold particle is coupled to either a whole IgG antibody or to a F(ab’)₂ fragment. The F(ab’)₂ fragment allows for deeper tissue penetration and causes less non-specific binding as whole IgG, which gives a better signal.
• Suitable for use in applications such as immunoblotting, light microscopy, and electron microscopy.

All gold conjugates are supplied in one of the buffers listed below:

• Secondary Antibody Gold Conjugates: 20mM Tris (pH 8.0), 150mM NaCl, 20% glycerol (v/v), 1% BSA
• Protein A, Protein G, and Streptavidin Gold Conjugates: 10mM PBS (pH 7.4), 20% glycerol (v/v), 1% BSA

Store undiluted in storage buffer at 2 to 8°C. Stable for at least 4 months if stored as specified.