BacterStain™ Giemsa
- A dye used for microbiology and hematology, commonly employed for staining cell and tissue samples in bacteriological, virological, and hematological studies.
- Code: 04003
- Packaging: 100ml/bottle or according to the customer’s request..
- Storage Conditions: 18–25°C.
- Transportation: Ambient temperature.
- Shelf Life: 24 months from the date of manufacture.
INTENDED USE
- BacterStrain™ Giemsa is a stain primarily used for staining blood cells and microorganisms. It helps differentiate various cell types in hematological examinations, as well as staining parasites such as Plasmodium (the causative agent of malaria) in microbiological studies.
PRINCIPLES
- BacterStain™ Giemsa works by binding to the DNA and proteins within cells, producing distinct colors that allow differentiation of cell components. In blood samples, red blood cells and white blood cells stain differently, making it easier to identify cell types. The stain also highlights parasites such as Plasmodium within red blood cells.
- Prepare the sample: Spread the blood or cell sample onto the slide, let it dry, and fix the sample with 95% methanol for 5-10 minutes.
- Dilute 5 mL of Giemsa stock solution with 65 mL of distilled water to make the staining solution.
- Rinse the slide in distilled water about 15 times to remove impurities and excess solution.
- Immerse the slide in the diluted Giemsa solution for 2 hours to allow the dye to penetrate the cells.
- Dip the slide into a 1% acetic acid solution once to brighten the dye.
- Blot dry the glass slide gently with tissue paper.
- Immerse the slide in 100% ethanol until the solution runs out with only a faint blue color remaining.
- Dip the slide into xylene I solution about 10 times to remove impurities and alcohol solvent.
- Continue dipping the slide into xylene II solution about 10 times for further cleaning.
- Mount the coverslip with Permount.
RESULTS
- Iron/hemosiderin: Blue.
- Red blood cells: Yellow.
- Neutrophils: Purple.
- Eosinophils: Red.
- Other types of cells: Nucleus is purple-red, cytoplasm is light blue.
BacterLab quality control of each batch of products.
| STT | Evaluation criteria | Result |
| 1 | Specimen size | Size 1x2cm, oval owl located in the middle of the glass slide |
| 2 | Smoothness | The specimen surface is continuous, even, not hollow or bare.
Microscopic examination: Continuous microscopic fields without many empty microscopic fields, uniform brightness. |
| 3 | Thickness | Standard specimens have a thickness of about 0.04 mm. When the specimen is dry and not stained, it can be checked by placing a piece of paper with printed letters 4-5 cm below the specimen. If the letters are faint and readable, it is qualified. If the letters are illegible, it is thick. If the letters are too clear, it is thin. |
*Note: The product will be manufactured in the upcoming period currently, there are no technical specifications available.
For 1 liter of stain
| Giemsa powder | 7,6 g |
| Glycerol | 250 mL |
| Methanol | 750 mL |
*Note: This ingredient is for reference only our company will formulate the ingredient according to requests or tender specifications.
| Product Name | Code | Packaging |
| BacterStrain™ Giemsa | 04003 | 100ml/bottle or according to the customer’s request.. |
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