Five-reagent DNA staining kit according to Feulgen. For use in semiquantitative DNA determination in histological and cytological samples. The specimen is first treated with hydrochloric acid creating an aldehyde group of DNA that can be visualized by Schiff (BioSchiff) reagent. This reaction is specific for nuclear DNA.

Four-reagent kit for staining Helicobacter pylori in gastroscopic sections according to Lennart. Advantages of this method for detecting H. pylori are sensitive and reproducible results and easy performance.

Five-reagent kit for staining muscle, collagen fiber and nuclei, contains blue counterstain. The kit can be used to contrast skeletal, cardiac or smooth muscle.

Five-reagent kit for staining argyrophilic granules. Grimelius kit can be used for the detection of secretory intracytoplasmatic granules specific for carcinoid tumors and for identification of neuroendocrine cells.

Five-reagent Periodic Acid-Schiff kit for staining aldehydes, muccopolysaccharides, mucoproteins and lymphocytes according to Hotchkiss-McManus. P.A.S. staining may also be used for the demonstration of fungal organisms in tissue sections.

Four-reagent kit for detecting copper and copper-associated protein (CAP) in patients suffering from Wilson’s disease. Abnormal copper accumulations are predominately found in liver tissue, but can also be found in the brain and cornea of the eyes.