Histology and cytology
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Nigrosine WS, C.I. 50420
Nigrosine water-soluble, Nigrosine B. For use in microbiology and cytology, as negative staining.
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Nuclear Fast Red (Kernechtrot) reagent
Nuclear Fast Red dye solution for staining nuclei. Counterstain in many special staining kits.
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Nuclear Fast Red, C.I. 60760
Kernechtrot. Used for staining nuclei red by creating complex with aluminum.
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OG-6 reagent, Pap 2A
Monochromatic reagent for counterstaining mature and keratinized squamous cell. Contains Orange G dye that stains the cytoplasm orange.
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OG-EA31 Pap reagent
One-step polychromatic reagent used as counterstain for gynecology samples in cytology. Enables rapid staining and differentiation between epithelial cells whose cytoplasm is stained green and pink. It is not necessary to use OG-6, Pap 2A reagent during staining because it stains cytoplasm of keratinized cell orange at the same time.
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OG-EA50 Pap reagent
One-step polychromatic reagent used as counterstain for gynecology samples in cytology. Enables rapid staining and differentiation between epithelial cells whose cytoplasm is stained blue and pink. It is not necessary to use OG-6, Pap 2A reagent during staining because it stains cytoplasm of keratinized cell orange at the same time.
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Oil Red O kit
Four-reagent kit for selective staining and detection of fat cells and neutral fats according to Johnson. It can be used with frozen sections and fresh smears to detect obesity-linked pathologies such as dyslipidemia and diabetes type.