RICHARD-ALLAN SCIENTIFIC COMPANY 87018 Epredia
Company Name
RICHARD-ALLAN SCIENTIFIC COMPANY
Catalog Number
87018
Description
Gram Stain Kits – Tissue & Film Bacteria can be classified into one of two families based upon structural and compositional differences in their cell walls. Gram-positive bacteria have thick cell walls with high peptidoglycan content, whereas Gram-negative bacteria have thin cell walls with low peptidoglycan content. Both Gram-positive and Gram-negative bacteria stain with the dye- lake formed by Crystal Violet Solution and Gram’s Iodine Solution. However, during rinsing with Decolorizing Solution, this dye-lake is completely removed from the thin-walled Gram- negative bacteria, allowing them to be subsequently stained with Safranin O Stain Solution. The short duration of the decolorization step enables Gram-positive bacteria to retain the crystal violet dye-lake. Care should be taken when rinsing slides with Decolorizing Solution, as extended rinses can cause the crystal violet dye-lake to be removed from Gram-positive bacteria in addition to Gram-negative bacteria. Within the Tissue Kit only, tissue elements are then counterstained yellow by Tartrazine Stain Solution.
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Additional Details
Device Identifier
00673693169011
Is RX
No
Is Over the Counter
No
Requires Sterilization
No
Is Sterile
No
Is Single Use
Yes
Barcode Mapping
Unit of Measurement | Eaches | GTIN |
---|---|---|
Each | 1 | 00673693169011 |