Sigma Aldrich

Sigma Diagnostics™ Accuspin™ Histopaque™-1077 System

Employs centrifuge tubes specially designed with two chambers separated by a porous high-density polyethylene barrier ("frit"). Sigma-Aldrich™ ACCUSPIN™ - System-Histopaque™ -1077 System allows the addition of anticoagulated whole blood without risk of mixing with the separation medium.

Sigma-Aldrich™ Auramine O

Certified by Biological Stain Commission

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

For cytologic demonstration of specific and non-specific leukocyte esterase

Sigma-Aldrich™ Sigma-Aldrich™ Papanicolaou Stains

For routine diagnostic cytology to aid in the identification and classification of exfoliative cells

Sigma-Aldrich™ Phosphate buffer pH 7.2 at 25°C

For use as a buffer in various Romanowsky type staining procedures

Sigma-Aldrich™ Brilliant Cresyl Blue ALD

Certified by Biological Stain Commission

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™ Sigma-Aldrich™ Giemsa stain, modified

Used in staining blood or bone marrow films

Sigma-Aldrich™ Phosphate Buffer pH 6.6 at 25°C

For use with Wright Stain for Geometric Data Hemastainer

Sigma-Aldrich™ Sigmacote™

Reacts with surface silanol groups on glass to produce a neutral, hydrophobic, microscopically thin film

Sigma-Aldrich™ Elastic Stain Kit

For histologic staining of elastin in tissue

Sigma-Aldrich™ Cresyl Violet acetate

For Nissl staining of paraffin sections of spinal cord and brain and to stain cartilage and mast cell granules

Sigma-Aldrich™ α-Naphthyl Butyrate Esterase, Lymphocyte

For demonstration of nonspecific esterase in a subset of lymphocytes for determining maturation arrest

Alcian Blue, Certified, Sigma-Aldrich™

Purity Grade: Certified Grade

Sigma-Aldrich™ Fast Green FCF Dye

Used in protein staining in IEF, native PAGE and SDS-PAGE

Sigma-Aldrich™ Histology Stains and Reagents - Silver Stain Kit, Modified Steiner-Steiner

Intended for histologic demonstration of spirochetes and nonfilamentous bacteria in sections of paraffin-embedded tissue

Sigma-Aldrich™ Poly-L-lysine Solution

Can be used in promoting cell adhesion to solid substrates

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

For differential staining of cellular elements of blood

Sigma-Aldrich™ Mucicarmine Stock Solution

Stains mucin of epithelial origin in tissue

Sigma-Aldrich™ Sudan III

To stain fat using the Churukian variant of Lillie-Ashburn supersaturated isopropanol method

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™ Carmine

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

Sigma-Aldrich™ β-Glucuronidase, Lymphocyte

Demonstration of lymphocyte β-glucuronidase activity (focal staining pattern) in cytocentrifuge

Sigma-Aldrich™ Gram stain for tissue

For delineation of Gram-Positive and Gram-Negative organisms

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

General purpose nuclear stain, progressive type

Sigma-Aldrich™ Hematoxylin

Certified for use in Weigert′s iron hematoxylin, Mayer′s hemalum, Harris hemalum and in Heidenhain′s technique

Sigma-Aldrich™ Eosin Y Solution, alcoholic

General-purpose cytoplasmic counterstain