Sigma Aldrich

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™ Wright Stain, Modified

Used for differentially staining the cellular elements of blood

Sigma Diagnostics™ Sigmacote&trade

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

Sigma Diagnostics™ Phosphate buffer pH 7.2 at 25°C

For use as a buffer in various Romanowsky type staining procedures

Sigma Diagnostics™ Poly-Prep Slides

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

Sigma Diagnostics™ Wright-Giemsa Stain, Modified

Used in staining blood or bone marrow films

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.

Congo Red, Certified, Sigma-Aldrich™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Cosmos Red PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Sigma Diagnostics™ Reticulocyte Stain

Used for the identification of reticulocytes in blood films

Sigma Diagnostics™ Poly-L-lysine Solution

Can be used in promoting cell adhesion to solid substrates

Sigma Diagnostics™ Fetal Hemoglobin Kit

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

Sigma Diagnostics™ Iron Stain Kit

For histologic staining of iron in blood or bone marrow films

Sigma Diagnostics™ Giemsa stain, modified

Used in staining blood or bone marrow films

Sigma Diagnostics™ Bouin's Solution

Fixative for preserving soft and delicate structures

Sigma Diagnostics™ Neutral Red Solution

Used as red nuclear counterstain in various cytochemical procedures

Sigma Diagnostics™ May-Grunwald Stain

For differential staining of cellular elements of blood

Sigma Diagnostics™ Peroxidase (Myeloperoxidase) Leukocyte Kit

Demonstrates polymorphonuclear cells in blood or bone marrow films

Sigma Diagnostics™ WeigertÆs iron hematoxylin solution

Resists decolorization better than aluminum based hematoxylin formulations

Sigma Diagnostics™ Eosin Y Solution, alcoholic

General-purpose cytoplasmic counterstain

Sigma Diagnostics™ Leukocyte Alkaline Phosphatase Kit

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

Sigma Diagnostics™ Papanicolaou Stains

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

Sigma Diagnostics™ Mucicarmine Stock Solution

Stains mucin of epithelial origin in tissue

Sigma Diagnostics™ Leukocyte Alkaline Phosphatase Kit

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

Sigma Diagnostics™ Eosin Y Solution, aqueous

General purpose cytoplasmic counterstain

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™ Biebrich Scarlet-Acid Fuchsin Solution

Kit component in Masson Trichrome procedure

Sigma Diagnostics™ WeigertÆs iron hematoxylin solution

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

Sigma Diagnostics™ Eosin Y Solution, Alcoholic with Phloxine

General-purpose cytoplasmic counterstain