Sigma Aldrich

Sigma Diagnostics™ Silane-Prep Slides

Coated with silane (aminoalkylsilane)

Sigma Diagnostics™ Sigmacote™

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

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™ 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™ Biebrich Scarlet-Acid Fuchsin Solution

Kit component in Masson Trichrome procedure

Sigma Diagnostics™ Histopaque™-1083 Solution

Facilitates recovery of viable mononuclear cells from rats, mice, and other small mammals. Sigma-Aldrich™ Histopaque™-1083 is for R&D use only, not for drug, household, or other uses.

Sigma Diagnostics™ Leukocyte Alkaline Phosphatase Kit

Based on naphthol AS-MX phosphate and fast red violet B salt

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™ Iron Stain Kit

For histologic staining of iron in blood or bone marrow films

Sigma Diagnostics™ Wright-Giemsa Stain, Modified

Used in staining blood or bone marrow films

Sigma Diagnostics™ Eosin Y Solution, Alcoholic with Phloxine

General-purpose cytoplasmic counterstain

Sigma Diagnostics™ Phosphate buffer pH 7.2 at 25°C

For use as a buffer in various Romanowsky type staining procedures

Sigma Diagnostics™ Hematoxylin Gill Solution

Nuclear stains intended for use in histology and cytology

Sigma Diagnostics™ Poly-L-lysine Solution

Can be used in promoting cell adhesion to solid substrates

Sigma Diagnostics™ Eosin Y Solution, aqueous

General purpose cytoplasmic counterstain

Sigma Diagnostics™ Silver Methenamine

For use in Silver Stain (Modified GMS) Sigma Procedure No. HT100

Sigma Diagnostics™ Papanicolaou Stains

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

Sigma Diagnostics™ α-Naphthyl Acetate (Non-Specific Esterase)

For cytologic demonstration of specific and non-specific leukocyte esterase

Sigma Diagnostics™ Gold chloride solution

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

Sigma Diagnostics™ Tartrazine Solution

For in vitro diagnostic use

Sigma Diagnostics™ WeigertÆs iron hematoxylin solution

Recommended in lengthy or acidic stain procedures, for use in conjunction with HT109.

Sigma Diagnostics™ Sudan Black B Staining System

For histochemical demonstration of neutrophil granules in blood or bone marrow films

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™ Borax solution

For use in Silver Stain (Modified GMS) Sigma Procedure No. HT100

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

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

Methylene Blue Solution, 1.4%(w/v) in ethanol, Sigma-Aldrich™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M PubChem CID: 104827 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]