
05/03/2025
Kit RAL 555 , a fast-acting variation of May-Grünwald Giemsa staining. It is a versatile staining that can serve in hematology (blood and bone marrow smears), in parasitology, histology, spermiology and cyto-bacteriology.
This staining allows for example malaria identification or spermatozoa morphological study (spermocytogram). Most frequently used in hematology, this kit provides a reliable and reproducible stained blood smear in only 15 seconds.
How does kit RAL 555 work?
This kit consists of 3 ready to use bottles for a 3–step bath staining technique. The staining only requires to insert the slide successively in the 3 different bottles for 5 seconds in each.
3 bottles for 3 functions
The first FIX-RAL 555 bottle allows to fix cells on the slide
The second EOSINE-RAL 555 bottle contains an eosin solution : an acid stain with special affinity with basic cellular elements such as cytoplasm.
The last BLUE-RAL 555 bottle contains a methylene blue dye : a basic stain fixing acid cellular elements like nucleus and chromatin of cells.
The analysis of blood and bone marrow smears using Kit RAL 555 is similar to that performed with Romanowsky classic staining.
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