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Staining

Staining

Cellular elements often have different refractive indices, which can be utilised to permit partial identification by means of various forms of microscopy. For detailed study however, and to prepare permanent preparation, staining procedures are invariably employed.

Our biological stains are prepared where possible from Certstain® dyes, which have been manufactured to a rigid specification for this purpose and have been subjected to strict quality assurance procedures reflecting the main methods of use. These dyes are classified into two groups, synthetic, which are by far the larger group and natural. However, some of the more important biological stains such as haematoxylin and carmine belong to the natural group. Haematoxylin and eosin are the most widely used histological stains. There popularity are based on the ability to demonstrate clearly an enormous number of different tissue structures and its widespread applicability to tissue from different sites. It can also be prepared in different ways and is comparatively simple to use.