What are the Advantages of Colloidal Gold in Immunohistochemistry?
1. High Resolution: Due to the small size of gold nanoparticles, they can provide high-resolution labeling, allowing for the precise detection of target molecules. 2. Versatility: Colloidal gold can be conjugated with various biomolecules, making it versatile for multiple types of staining and labeling. 3. Stability: Gold's chemical stability ensures that the labeled sections can be stored for extended periods without significant degradation. 4. Amplification: Colloidal gold can be used in conjunction with silver enhancement techniques to amplify signals, making it easier to detect low-abundance targets.