Gram Stain Kit (Neutral Red Counterstain)
CE / IVD
This stain kit is used to demonstrate Gram Positive and Gram Negative Micro-organisms. The main principle of the technique is the increased thickness, chemical composition and functional integrity of the cell walls of gram positive bacteria, which when they die become gram negative
Description
100 Test | 200 Test | 500 Test | 1000 Test | |
Code | – 100 | -200 | -500 | -1000 |
RRSK5 | 5 x 50ml | 5 x 100ml | 5 x 250ml | 5 x 500ml |
Kit Contains:
Crystal Violet (0.5% Aqueous)
Grams Iodine
Gram Differentiator x 2
Neutral Red (0.1% solution)
General Information:
Procedure Time : 18 minutes (approximate)
Shelf Life: 3 Years (from date of manufacture)
Storage: 15-25° C.
Results:
Gram Positive Organism: Blue/Black
Gram Negative Organisms: Red
Nuclei: Red
Protocol:
1. Dewax sections, hydrate through alcohols and rinse in tap water. For smears flood slides with distilled water
2. Stain with crystal violet for 3 minutes (filter before use)
3. Rinse well in distilled water
4. Treat slides with Grams iodine for 3 minutes
5. Wash well in distilled water, drain
6. Differentiate with Grams differentiator until no more colour comes out of the preparation. (1-5 seconds) Rinse off quickly, sections will be straw coloured
7. Wash well in water
8. Counterstain with neutral red for 1 minute
9. Wash in water and blot dry (for smears allow to dry)
10. Dehydrate rapidly, clear and mount
Hazard Information
UN1993
Additional information
Pack | 100 Test, 1000 Test, 200 Test, 500 Test |
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