Sirius Red Staining Solution

Sirius red is a kind of strong acid anion dye. It is easy to react with alkaline groups in collagen fibers to enhance the birefringence and resolution ratio. It is tightly coupled with collagen and is extremely stable. So, after staining, it is specific and will not be faded. It is the best dye for collagen staining now. Under the polarizing microscope, different types of collagen display different colors with bright contrast.