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EMS Technical Data Sheets
Price's Giemsa Stain Method
EMS Catalog #26156
Fixation
10% Buffered Neutral Formalin or Zenker's. Use no fixation technique that will destroy erythrocytes.
Sections
Paraffin @ 4 microns
Staining
- Deparaffinize with two changes at 2 minutes each in xylene. Rinse in absolute alcohol for two changes, 2 minutes each.
- Rinse in 95% Alcohol for two changes after a one minute immersion. If necessary to further remove mercuric chloride crystals, use an Alcoholic Iodine Solution which will be further removed in successive alcohols.
- Rinse through 80%, 70%, 50%, alcohols for one change, 1 minute each.
- Rinse in distilled water for 15 seconds.
- Buffer in the Phosphate Buffer Solution, for 30 minutes.
- Stain in the Giemsa Working overnight. To prepare Giemsa Working:
• Geimsa Stock .......3 parts
• Phosphate Buffer pH 7.0 ..97 parts - Rinse in the buffer solution.
- Rinse in Acetic Acid, 0.2%, for one minute, absolute alcohol for two changes, 15 seconds each. This step should take only 90 seconds!!!
- Dip in xylene for two changes, two minutes each.
- Mount in Permount.
Cells
| Blue | Malarial parasites |
| Blue | Tissue Nuclei |
| Dark Blue | Bacteria |
| Black | Malarial Pigment |
| Blue | Schistosomic egg shells |
| Pale Pink | Collagen, etc. |
| Pink-Rose | Erthrocytes |
References
AFIP Manual of Histological Staining Methods , 3 rd ed., L.Luna:
Product Information
Giemsa Stock Solution
Phosphate Buffer
Acetic Acid
Alcoholic Iodine
Price's Giemsa Stain Method