Sigma Aldrich

Sigma-Aldrich™ Alpha-Naphthyl Acetate (Non-Specific Esterase) Kit

For cytologic demonstration of specific and non-specific leukocyte esterase

Sigma-Aldrich™ Crystal Violet Solution

For Gram's staining of heat-fixed films and tissue

Sigma-Aldrich™ TRAP Solutions

For use in Sigma Acid Phosphatase (TRAP) Procedure Kit 386 and 387

Sigma-Aldrich™ Naphthol AS-D Chloroacetate (Specific Esterase) Kit

Used to detect neutrophils in peripheral blood, marrow or tissue sections embedded in paraffin

Sigma-Aldrich™ Gram's Iodine Solution

Used as kit component in Gram Stain Procedure

Sigma-Aldrich™ Fetal Hemoglobin Kit

Used for acid elution of adult hemoglobin and semi-quantitative determination of fetal hemoglobin in blood smears

Sigma-Aldrich™ Sigma-Aldrich™ Eosin Y Solution, aqueous

General purpose cytoplasmic counterstain

Sigma-Aldrich™ Sigma-Aldrich™ May-Grunwald Stain

For differential staining of cellular elements of blood

Sigma-Aldrich™ Elastic Stain Kit

For histologic staining of elastin in tissue

Alcian Blue, Certified, Sigma-Aldrich™

Purity Grade: Certified Grade

Sigma-Aldrich™ Decolorizer Solution

For use in Gram Stain Procedure, HT90

Sigma-Aldrich™ Fetal Hemoglobin Kit

For acid elution, semi-quantitative determination of fetal hemoglobin in blood smears

Sigma Diagnostics™ Histopaque™-1077 Cell Separation Medium

Facilitates recovery of large numbers of viable lymphocytes and other mononuclear cells from small volumes of whole blood. Sigma-Aldrich™ Histopaque™-1077 is suitable for human lymphocyte antigen (HLA) typing and as the initial isolation step prior to enumeration of T, B, and 'null' lymphocytes.

Sigma-Aldrich™ Leukocyte Alkaline Phosphatase Kit

Based on naphthol AS-MX phosphate and fast blue RR salt

Sigma-Aldrich™ Weigert’s iron hematoxylin solution

Resists decolorization better than aluminum based hematoxylin formulations

Sigma-Aldrich™ Reticulum Stain Kit

Intended to demonstrate reticular fibers in tissue sections

Sigma-Aldrich™ Acid Phosphatase, Leukocyte (TRAP) Kit

Demonstrates acid phsophatase and tartrate resistant acid phosphatase (TRAP) in blood, marrow or tissue touch

Sigma-Aldrich™ Biebrich Scarlet-Acid Fuchsin Solution

Kit component in Masson Trichrome procedure

Sigma-Aldrich™ Carmine

Certified for use in Orth′s lithium carbonate technique, Southgate′s mucicarmine method, and Best′s carmine for glycogen

Sigma-Aldrich™ Sigma-Aldrich™ Hematoxylin Solution, Mayer’s

General purpose nuclear stain, progressive type

Sigma-Aldrich™ Mucicarmine Stock Solution

Stains mucin of epithelial origin in tissue

Sigma-Aldrich™ Sigma-Aldrich™ Wright-Giemsa Stain, Modified Available on GSA/VA Contract for Federal Government customers only.

Used in staining blood or bone marrow films

Sigma-Aldrich™ Sodium Thiosulfate Solution

For use in the Silver Stain Kit No. HT100-A

Sigma-Aldrich™ Histology Stains and Reagents - Schiff's Reagent

For the demonstration of lymphocytes and mucopolysaccharides

Sigma-Aldrich™ Differentiation Solution

For regressive hematoxylin stains