Stains & Staining Kits
- Shelf Life is one year from date manufactured unless otherwise stated.
- Store at 15-30°C unless otherwise stated.
Standard & Special Stains
Alcian Blue Stain 1%, pH 2.5 Aqueous
(use: Acidic Mucins & Carboxylated Mucosubstances; including Barrett’s Esophageal Biopsy)
Carbol-Fuchsin Stain, Ziehl-Neelsen
(use: AFB stain for Ziehl-Neelsen, Fite)
- Shelf Life is 2 years from date of manufacture.
For more information on the individual stain kits for AFB that use this stain, click the specific stain kit of interest and it will take you to our Stain Kit Section;
Congo Red Stain Set, Bennhold, Amyloid
Sol’n A: Congo Red Stain 1%, Aqueous
Sol’n B: Alkaline Alcohol
Congo Red Stain Set, Puchtler, Amyloid
(use: Mod. of Bennhold; reduces background birefringence)
Sol’n A: Sodium Hydroxide, 1%, 25ml or 50ml
Sol’n B: Congo Red Stain, Alcoholic, 250ml or 500ml
Crystal Violet-Oxalate Stain, Alcoholic
(use: Brown-Brenn & Hucker-Twort Gram Stain.)
- Shelf Life is 2 years from date of manufacture.
Differential Stain Replacement Bottles
(use: Hematological Staining & *Special Stain for Helicobacter pylori.)
| Solution | Volume | Part # |
| Solution A: Xanthene Stain | 500 ml | 10521A |
| Gallon | 10521B | |
| Solution B: Thiazine Stain | 500 ml | 10522A |
| Gallon | 10522B | |
| Solution C: Fixative | 500 ml | 10523A |
| Gallon | 10523B |
Giemsa Stock Stain, Wolbach
(use: Wolbach & May-Grunwald mod. Giemsa Stain.)
- Shelf Life is 2 years from date of manufacture.
Gomori Basement Membrane Silver Set
(use: “No Titration” PAMM Stain for basement membranes. Other “Components” needed for procedure.)
Sol’n A: Methenamine 3%, Aqueous 250 ml
Sol’n B: Silver Nitrate 5%, Aqueous 50 ml
Sol’n C: Sodium Borate 5%, Aqueous 50 ml
Grocott Methenamine Silver Set, GMS
(use: Fungus Stain; Store @ 4°C.)
- Solution A: Silver Nitrate
- Solution B: Methenamine Borate
Hematoxylin 3%, Alcoholic
(use: Elastic-Masson Trichrome combination stain with myocardial applications.)
Light Green SF Yellowish Stain 0.02%, Aqueous
(use: Counterstain for GMS Fungus Stain and McLetchie Light Green Trichrome)
Light Green SF Yellowish Stain 1%, Aqueous
(use: Stock solution for GMS & Gomori Basement Membrane.)
Light Green SF Yellowish Stain 2%, Aqueous
(use: Elastic-Masson Trichrome & stock solutions for GMS & Gomori Basement Membrane.)
Luxol Fast Blue (LFB) Stain Set
(use: Myelin Stain)
Sol’n A: Luxol Fast Blue Stain 0.1%, Alcoholic
Sol’n B: Lithium Carbonate, Saturated Aqueous
Mayer Hematoxylin Stain Solution, Mayer Modified
Good news. We eliminated the Chloral Hydrate! Excellent for IHCs.
Click Here to see Mayer Hematoxylin in “Hematoxylin” Section.
Methylene Blue Stain 0.5%, Aqueous
(use: AFB Counterstain for Fite)
For more information on the individual stain kits for AFB that use this counterstain, click the specific stain kit of interest and it will take you to our Stain Kit Section;
Methylene Blue Stain 0.14%, Alcoholic
(use: AFB Stock Counterstain for Kinyoun)
For more information on AFB Stain, Kinyoun, click here.
Methylene Blue Stain 1.4%, Alcoholic
(use: AFB Stock Counterstain for Kinyoun)
For more information on AFB Stain, Kinyoun, click here.
Nigrosin Stain 10%, Aqueous
(Use: Sperm vitality staining)
- Shelf Life is 2 years from date of manufacture.
Nuclear Fast Red Stain, Kernechtrot
(use: Counterstain for Iron Stains, Schmorl Melanin & IHC Stains.)
- Shelf Life is 2 years from date of manufacture.
PAMM
Periodic Acid Methenamine Method
CLICK HERE to see GOMORI BASEMENT MEMBRANE Set #1131 in Standard & Special Stains Section
Rhodanine, Powder
p-dimethylaminobenzylidene rhodanine
(use: Copper Stain.)
- Shelf Life is 4 years from date of manufacture.
Schiff Reagent, McManus
(use: PAS Stains, Glycoproteins & Fungus.)
- Store at room temperature for up to one year.
Silver Nitrate 5%, Aqueous
(use:Von Kossa Calcium Stain, Gomori Basement Membrane & Gomori Methenamine Silver for Urates.)
Silver Nitrate 10%, Aqueous
(use: Fontana-Masson Silver Stain for argentaffin granules, Gordon & Sweets Reticulum.)
Thiazine Stain
Solution B of the Differential Stain Kit.
- Shelf Life 2 years from date of manufacture.
Trichrome Stain, Gomori One-Step, Fast Green
(Store at 4ºC.)
Improved with more intense green staining!
Twort's Gram Stain Set
(use: Hucker-Twort Gram Stain.)
- Shelf Life 2 years from date of manufacture.
Sol’n A: Neutral Red Stain 1%, Alcoholic
Sol’n B: Fast Green Stain 1%, Alcoholic
Victoria Blue Stain, Alcoholic
(uses include: Hepatitis B surface antigen, copper and venous invasion.)
Wright Stain Buffer Solution, pH 6.8
This product is located in our “Buffer” section of Reagents & Chemicals.
Wright Stain Fixative Methanol, Anhydrous, ACS
(use: Fixative for blood smears.)
Part numbers and pricing are located in our Alcohol Section, CLICK HERE
Xanthene Stain
Solution A of the Differential Stain Kit.
- Shelf Life 2 years from date of manufacture.
Weigert Iron Hematoxylin Stain Set
(Use: Mucin & Trichrome.)
Sol’n A: Ferric Chloride Aqueous Solution
Sol’n B: Hematoxylin Stain Solution, 1% Alcoholic
Click here for Part Number and Pricing in STAINS & STAIN KIT Section.
Stain Kits
Mast Cell, Toluidine Blue Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Hematoxylin & Eosin (H&E) Regressive Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Hematoxylin and Eosin (H&E) Progressive Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Feulgen Reaction DNA Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Bluing Agents
Ammonium Hydroxide 28 - 30%, ACS
For part number and pricing, please click here. (Product is located in our Chemicals & Reagents Section)
Reagent should be used per lab protocol as a bluing agent
Lithium Carbonate Saturated Aqueous Solution
For part number and pricing, please click here. (Product is located in our Chemicals & Reagents Section)
Reagent should be used per lab protocol as a bluing agent
Eosins
Eosin-Phloxine Stain Set
Eosin Y Stock Stain 1%, Alcoholic
(use: Counterstain for H&E Stain.)
- Shelf Life is 2 years from date of manufacture.
Hematoxylins
Hematoxylin Stain, Harris Modified
Ready to use, doesn’t require filtering, is enhanced with glacial acetic acid along with ethylene glycol and is mercury free.
- Shelf Life is 2 years from date of manufacture.
Hematoxylin Stain, Harris
Ready to use, doesn’t require filtering and is mercury free.
- Shelf Life is 2 years from date of manufacture.
Hematoxylin Stain, Gill
Uses:
- Gill I – Cytology
- Gill II – Frozen & paraffin sections & IHC
- Gill III – Frozen sections & IHC darker staining & high volume.
Hematoxylin Stain, Mayer Modified
Good news. We eliminated the Chloral Hydrate! Excellent for IHC’s. Nuclear staining for non acidic special stains.
- Shelf Life is 2 years from date of manufacture.
Hematoxylin Stain Set, Weigert Iron
(use: Mucin & Trichrome.)
- Shelf Life 2 years from date of manufacture.
Sol’n A: Ferric Chloride, Acidified
Sol’n B: Hematoxylin 1%, Alcoholic
(Nuclear counterstain for acidic special stains)
Carbohydrate Stains
Alcian Blue 1%, pH 2.5 Stain Kit
Stains acid epithelial mucin (sialomucin, sulfomucin) as well as stromal (mesenchymal) mucin. Hyaluronidase digestion step can be employed for further differentiation of acid epithelial from stromal mucin.
Alcian Blue - H&E Metanil Yellow Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Alcian Blue/PAS Stain Kit
Differentiates between acidic epithelial mucins (sialomucin, sulfomucin) and neutral epithelial mucin and is a means of detecting the overall presence of mucins. Acidic mucins are stained with the Alcian Blue technique while neutral mucins and glycogen are stained by the PAS reaction.
Colloidal Iron, Müller-Mowry Stain Kit
Stains acid epithelial mucin (sialomucin, sulfomucin) and stromal (mesenchymal) mucin and also demonstrates encapsulated yeast Cryptococcus neoformans.
Mucin, Mayer Mucicarmine Stain Kit
Stains acid epithelial mucin (sialomucin, sulfomucin) and is also useful for the demonstration of the encapsulated yeast Cryptococcus neoformans.
Microwave Modification Included
Periodic Acid Schiff (PAS) Stain Kit
Stains glycoproteins and aids in the differential diagnosis of tumors through the detection of acid/neutral epithelial mucins and/or glycogen. Digestion steps can be employed for further identification of mucosubstances. Also useful for staining basement membranes and fungal cell walls.
Connective Tissue & Muscle Fiber Stains
Basement Membrane, Gomori Stain Kit
No Titration!
A straightforward silver technique similar to the Jones Method for identification of glomerular and tubular basement membranes in renal tissue.
Microwave Modification Included
Phosphotungstic Acid Hematoxylin (PTAH) Stain Kit
Used for the demonstration of collagen, muscle striations and central nervous system (CNS) structures. The Zenker fixative used in this procedure is modified with zinc chloride and is mercury free.
Microwave Modification Included
Elastic, Verhoeff Stain Kit
Used to demonstrate pathologic changes in elastic fibers as well as demonstration of normal elastic tissue such as arteries and veins.
Movat-Russell Modified Pentachrome Stain Kit
Stains five connective tissue elements; mucin, fibrin, elastic fibers, muscle, and collagen, along with nuclei.
Reticulum, Gordon & Sweets Stain Kit
A silver stain for demonstration of reticular fibers. Useful in the differential diagnosis of certain types of tumors.
Trichrome, Gomori One-Step, Aniline Blue Stain Kit
Uses a one-step solution combining a plasma stain and a connective tissue stain to differentially demonstrate collagen and muscle fibers.
Microwave Modification Included
Trichrome, Gomori One-Step, Fast Green Stain Kit
Uses a one-step solution combining a plasma stain and a connective tissue stain to differentially demonstrate collagen and muscle fibers.
Microwave Modification Included
Trichrome, Masson, Aniline Blue Stain Kit
Used to differentially demonstrate connective tissue elements, collagen and muscle fibers.
Microwave Modification Included
Trichrome, Masson, Fast Green Stain Kit
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Used to differentially demonstrate connective tissue elements, collagen and muscle fibers.
Microwave Modification Included
Trichrome, McLetchie, Aniline Blue Stain Kit
Stains collagen and muscle fibers, works well on bone marrow and renal biopsies and provides time efficient results. This modified procedure does not use a Bouin Fluid mordant or a hematoxylin nuclear stain.
Hematopoietic
Giemsa, May-Grunwald
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Giemsa, Wolbach Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Giemsa, Wright Stain, Modified for Tissue Sections
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Microorganism Stains
AFB, Basic Fuchsin, Ellis & Zabrowarny Stain Kit
Stains acid-fast bacilli without the use of phenol. A surfactant substitution is made for phenol which renders the bacterial cell wall permeable to the stain. Results are comparable to the traditional Ziehl-Neelsen method.
Microwave Modification Included
AFB, Fite Stain Kit
Detects the presence of either Nocardia sp. or Mycobacterium leprae sp. (causative agent of leprosy) in tissue sections.
AFB Stain, Kinyoun
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
AFB, Ziehl-Neelsen Stain Kit
Detects the presence of acid-fast mycobacteria in tissue sections. Carbol Fuchsin Stain, Ziehl-Neelsen, combines phenol and basic fuchsin that works to permeate the lipoid capsule of acid-fast organisms and renders them resistant to acid alcohol decolorization.
Differential Stain Kit
(use: Hematological Staining & Special Stain for Helicobacter pylori)
- 2 year shelf-life
Differential staining of peripheral blood smears, touch imprints, fine needle aspirations (FNA), bone marrow biopsy aspirations, as well as detecting Helicobacter pylori sp. in GI tissue. Can be used for smears, touch imprints and tissue sections. This is a modification of the Wright Giemsa Stain technique using aqueous based stain solutions and a methanol fixative. Procedures for both monochromatic and polychromatic versions of the Differential Stain are provided.
Fungus, Grocott Methenamine Silver (GMS) Stain Kit
Stains a variety of fungal organisms including: Pneumocystis carinii, Aspergillus, Blastomyces, Candida and Histoplasma.
Microwave Modification Included
Fungus, PAS/Light Green Stain Kit
Stains fungus and glycoproteins. Polysaccharides present in fungal cell walls are oxidized by the periodic acid to aldehydes. The aldehydes then react with Schiff Reagent, McManus to yield magenta colored fungi.
Gram, Brown-Hopps Stain Kit
Stains gram-negative and gram-positive bacteria and uses Gallego solution to differentiate the organisms.
Gram, Brown-Brenn Modified Stain Kit
Used for differential staining of gram-positive and gram-negative bacteria in tissue sections, cultures and smears.
Gram, Hucker-Twort Stain Kit
Stains gram-positive and gram-negative bacteria without the use of picric acid. The Fast Green secondary counterstain provides the green background for clear detection of any red gram-negative bacteria present.
Helicobacter, Toluidine Blue / Alcian Yellow Stain Kit
Used to screen and detect Helicobacter pylori in gastrointestinal biopsy specimens.
Steiner-Chapman Modified Silver Stain Kit
No Uranyl Nitrate!
Stains spirochetes, Helicobacter pylori, Legionella pneumophila, other nonfilamentous bacteria and fungus. Eliminates the use of Uranyl Nitrate.
Microwave Modification Included
Steiner-Steiner Modified Silver Stain Kit
A silver stain for identifying spirochetes, Helicobacter pylori, Legionella pneumophila, other nonfilamentous bacteria and fungus.
Microwave Modification Included
Neurological Stains
Bielschowsky, Lester-King Modified Stain Kit
Stains nerve fibers, neurofibrils/tangles, senile plaques and axons. Used in the diagnosis of Alzheimer’s disease and other neurological disorders.
Luxol Fast Blue (LFB) - Cresyl Violet Stain Kit
Stains myelin and Nissl substance in central nervous system tissues and in peripheral nerve.
Microwave Modification Included
Pigment, Substance & Mineral Stains
Amyloid, Bennhold Congo Red Stain Kit
Identifies the extraneous protein deposits in amyloidosis. The use of polarizing lenses is the essential technique for visualizing amyloid positive areas and/or to confirm negativity.
Microwave Modification Included
Amyloid, Puchtler Congo Red Stain Kit
Identifies the extraneous protein deposits in amyloidosis. The use of polarizing lenses is the essential technique for visualizing amyloid positive areas and/or to confirm negativity.
Copper, Rhodanine Stain Kit
Used for the detection of copper and copper-associated protein (CAP) in tissue sections.
Microwave Modification Included
Fontana Masson Stain Kit
Stains argentaffin substances such as melanin, argentaffin granules of carcinoid tumors, and some neurosecretory granules.
Iron, Gomori Prussian Blue Stain Kit
Used to detect loosely bound ferric iron in tissue sections. This histochemical reaction is sensitive enough to demonstrate minute amounts of iron deposits in blood cells, bone marrow and spleen.
Von Kossa Calcium Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Urates, Gomori Methenamine-Silver
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Bile (Bilirubin), Hall
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Schmorl Melanin Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Sulfated Alcian Blue (SAB) Stain
Click “View Product” to display stains & solutions for this procedure. Reagents are sold under separate part numbers with storage requirements and expiration date designated per bottle.
Pap Stains
Papanicolaou Stain, EA-50, Light Green
Specially formulated for GYN specimens with a lower concentration of Light/Fast Green.
Papanicolaou Stain, EA-50, Fast Green
Specially formulated for GYN specimens with a lower concentration of Light/Fast Green.
Papanicolaou Stain, EA-65, Fast Green
Formulated for non-GYN specimens with a higher concentration of Light/Fast Green than our EA-50.
Differential Stains
Differential Stain Kit - Part 9112B
Provides a rapid 3-step process that can be used for differential assessment of touch imprints and fine needle aspirations (FNA).
Hematoxylin
Hematoxylin Stain, Harris Modified
Ready to use, doesn’t require filtering, is enhanced with glacial acetic acid along with ethylene glycol and is mercury free.
Special Staining
Fat, Oil Red O, Propylene Glycol Stain Kit - Part 9119A
Easy to use lipid stain kit for macrophage evaluation
Oil Red O Stain, Isopropanol - Part 1277A
Alternative to the propylene glycol lipid identification method.
Sudan III Stain, Saturated Alcoholic - Part 1390
Use: Fat/lipid in frozen sections and fecal fat levels