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• Smallest commercially available gold immunoprobes.
• Penetrates and reaches antigens inaccessible to other probes: proven penetration up to 40 µm into cells and tissue sections.
• Extremely uniform 1.4 nm diameter gold label.
• Fab', IgG and Streptavidin conjugates available.
• Close to 1 Nanogold® particle to 1 Fab' (or IgG).
• Low non-specific affinity gives minimal background.
• Ultrasensitivity with silver enhancement: 0.1 pg of antigen detection on immunoblots.
• Gold is covalently attached to antibody remote from antigen binding region.
• High stability and long shelf life: conjugates show unchanged reactivity after storage for a year.
• Stable to a wide range of pH and ionic strengths.

貨號：#2002-0.5ml