Prepared Staining Kits for Histology and Pathology
G. CYTOPLASMIC GRANULE STAINS
G.1 Pancreatic Islet Cell Stains

Mallory-Heidenhain Azan-Gomori's Modification, Islet Cells
For the staining of alpha, beta and D-cells of the islets of langerhans.
Stain results:
(Bouin's Fixation)
Human Tissue | Guinea Pig | |
Alpha granules: | Red, bright | Orange - Tan |
Beta granules: | Orange-Brown, dull | Red, fiery |
D-cell granules: | Dark Blue | Deep Blue |
References:
- Clark, G, (ed): Staining Procedures 3rd Ed.; Baltimore: Williams & Wilkins Co., c. 1973, p. 171
- Gomori, G.: "Studies on the cells of the Pancreatic islets." Anat. Rec. 74:439 (1939)
RT | 26450-01 | Azocarmine Staining Solution, 0.1% | ![]() |
250 ml | 36.00 | Add to Cart |
RT | 26450-02 | Aniline-Alcohol, 1% Poison Pack | ![]() |
250 ml | 17.00 | Add to Cart |
RT | 26450-03 | Ferric Ammonium Sulfate, 5%, Aqueous | ![]() |
500 ml | 17.00 | Add to Cart |
RT | 26450-04 | Aniline Blue – Orange G Solution | ![]() |
500 ml | 30.00 | Add to Cart |
RT | 26450-05 | Orange G, 0.2% in Alcohol | ![]() |
500 ml | 32.00 | Add to Cart |

Maldonado's Method For Pancreatic Islet Cells
For the staining of alpha, beta, D- and Exocrine cells of the islets of langerhans.
Stain results:
(Bouin's Fixation without Acetic Acid)
Human Tissue | |
Alpha granules: | Purple |
Beta granules: | Violet Blue |
D-cell granules: | Light blue with evident granules |
Exocrine cells: | Grayish blue with red granules |
References:
- Maldonado, R. and San Jose, H. Stain Techn., 42:11-13, 1967
- Luna, L.G., (ed.), Manual of Histologic Staining Methods of the AFIP, 3rd edition, McGraw, N.Y. p. 105, c. 1968
RT | 26458-01 | Phloxine 1% Aqueous Solution | ![]() |
500 ml | 28.00 | Add to Cart |
RT | 26458-02 | Phosphotungstic Acid, 3% Aqueous Solution | ![]() |
500 ml | 50.00 | Add to Cart |
RT | 26458-03 | Azure II Solution, 0.05% | ![]() |
500 ml | 16.00 | Add to Cart |
RT | 26458-04 | Weigert's Iron Hematoxylin A | ![]() |
500 ml | 27.00 | Add to Cart |
RT | 26458-05 | Weigert's Iron Hematoxylin B | ![]() |
500 ml | 21.00 | Add to Cart |
G.2 Mast Cell Stains

Toren's Method for Mast Cells
Cytoplasmic granule stains: Mast cell stains.
Stain results:
Mast Cell Granules: | Deep Blue | |
Collagen & Cartilage: | Blue-Green | |
Muscle &Elastic Fibers: | Red | |
Fibrin: | Purple | |
Bone: | Green | |
Colloid, Keratin & Erythrocytes: | Orange Red to Orange |
References:
- Toren, D.A.: Stain Techn., 38:249-250, 1963
- Luna, L., (ed.), Manual of Histologic Staining Methods of the AFIP, 3rd. ed., McGraw-Hill, New York, c. 1968, pp. 116-117
RT | 26472-01 | Giemsa Stain Solution | ![]() |
500 ml | 70.00 | Add to Cart |
RT | 26472-02 | Acetic Acid, 0.5%, Aqueous | ![]() |
500 ml | 16.00 | Add to Cart |
RT | 26472-03 | Pollack's Trichrome Solution in 50% Alcohol, 3A | ![]() |
100 ml | 30.00 | Add to Cart |
G.3 Other Granule Stains

Methenamine Silver Method for Argentaffin Cells
For the staining of argentaffin granules of enterochromaffin cells.
Stain results:
Argentaffin Cells: | Black | |
Coarse connective tissue of the submucosa: | Variable amount of blackening by 3–31 ⁄2 hr. of impregnation |
|
Granules of eosinophil leukocytes, nuclei, smooth muscle & surface epithelium: |
show additional blackening after incubation beyond 3–31 ⁄2 hr. |
|
Granules of mast cells: | Remain red after nuclei & reticulum are blackened |
References:
- Clark, G.: Staining Procedures, Williams and Wilkins Co., Baltimore, 3rd Ed., c. 1973, p. 161.
- Gomori, G., Arch. Path., 45:48, 1948.
- Burtner, H.J. and Lillie, R.D., Stain Techn., 24:225-7, 1949.
RT | 26481-01 | Weigert's Iodine Solution | ![]() |
500 ml | 32.00 | Add to Cart |
RT | 26481-02 | Sodium Thiosulfate, 5%, Aqueous | ![]() |
500 ml | 22.00 | Add to Cart |
RT | 26481-03 | Silver Nitrate, 5%, Aqueous | ![]() |
250 ml | 88.00 | Add to Cart |
RT | 26481-04 | Methenamine, 3%, Aqueous | ![]() |
500 ml | 28.00 | Add to Cart |
RT | 26481-05 | Borate Buffer, pH 7.8 | 500 ml | 22.00 | Add to Cart | |
RT | 26481-06 | Gold Chloride, 0.1%, Aqueous | ![]() |
250 ml | 32.00 | Add to Cart |
RT | 26481-07 | Saffranin O Solution, 0.1% | ![]() |
500 ml | 32.00 | Add to Cart |