Sigma Aldrich

Sigma Diagnostics™ Sigmacote™

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

Sigma Diagnostics™ Giemsa stain, modified

Used in staining blood or bone marrow films

Sigma Diagnostics™ Wright Stain, Modified

Used for differentially staining the cellular elements of blood

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 Diagnostics™ Poly-Prep Slides

Coated with poly-L-lysine for tissue section adhesion in routine histological uses

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 Diagnostics™ Silane-Prep Slides

Coated with silane (aminoalkylsilane)

Sigma Diagnostics™ Wright-Giemsa Stain, Modified

Used in staining blood or bone marrow films

Sigma Diagnostics™ Trichrome Stain (Masson) Kit

Intended for use in the study of connective tissue, muscle and collagen fibers

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

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

Sigma Diagnostics™ Iron Stain Kit

For histologic staining of iron in blood or bone marrow films

Sigma Diagnostics™ Silver Stain (Modified GMS) Kit

Intended for use in the histologic demonstration of fungi, basement membrane and some opportunistic organisms such as Pneumocystis carinii in tissue sections or smears

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

For the demonstration of lymphocytes and mucopolysaccharides

Sigma Diagnostics™ Eosin Y Solution, alcoholic

General-purpose cytoplasmic counterstain

Sigma Diagnostics™ Papanicolaou Stains

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

Sigma Diagnostics™ Scott's Tap Water Substitute Concentrate

Use as a “blueing reagent” in hematoxylin and eosin staining procedures

Sigma Diagnostics™ Eosin Y Solution, Alcoholic with Phloxine

General-purpose cytoplasmic counterstain

Sigma Diagnostics™ Carbol-fuchsin solution

Used to demonstrate Mycobacterium tuberculosis in tissue sections and on smears

Sigma Diagnostics™ Gold chloride solution

Used for the toning of sections stained with the Silver Methanamine procedure

Sigma Diagnostics™ Poly-L-lysine Solution

Can be used in promoting cell adhesion to solid substrates

Sigma Diagnostics™ Neutral Red Solution

Used as red nuclear counterstain in various cytochemical procedures

Sigma Diagnostics™ Reticulum Stain Kit

Intended to demonstrate reticular fibers in tissue sections

Sigma Diagnostics™ Crystal Violet Solution

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

Sigma Diagnostics™ Acid Phosphatase, Leukocyte (TRAP) Kit

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

Sigma Diagnostics™ Bouin's Solution

Fixative for preserving soft and delicate structures

Sigma Diagnostics™ Periodic Acid Schiff Kit (PAS) Kit

For demonstration of lymphocytes and mucopolysaccharides in tissue sections