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Xylidyl blue I, (4-Hydroxy-3-[2-hydroxy-3-(2,4-dimethylphenylaminocarbonyl)-1-naphthylazobenzenesulfonic acid sodium salt; Magonsulfonate)

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Specific packaging intended for use on the Hema-Tek and Hema-Tek 1000 hematology stainers.

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LR Accelerator is used for the chemical curing of LR White and LR Gold embedding media for routine and low temperature electron microscopy or the immunocytochemical localization of antigens by either light or electron microscopy.

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Nigrosin water soluble,For use as a biological stain (Acid black 2)

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Azur B (Azur I) ≥89% (Farbstoffgehalt), zertifiziert durch die Biological Stain Commission, Sigma-Aldrich®

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Intended for use as a buffer with various Romanowky type staining procedures, specifically those performed on the Hematek. RS2 is a component of Sigma products WGHT, WSHT and WSHT-S.

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Modified Giemsa stain may be used for the identification of each human chromosome by differentials staining.

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Intended for use in the Sigma α-Butyrate Esterase kit, procedure 181B

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For use in the detection of phospholipids and related compounds.

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When mixed with a 4% sodium nitrite solution, a freshly hexazotized pararosaniline solution is produced. May be used in a variety of cytochemistry procedures, including Sigma Procedures 181B and 181C.

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Azur A, Sigma-Aldrich®

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ImmunoHistoMount™ is a permanent aqueous mounting medium designed for tissue sections and cell smears with peroxidase and alkaline phosphatase chromogens that cannot be dehydrated with organic solvents.

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Gill formulation No. 3 may be used for cytology and/or histology as a progressive or regressive stain depending on length of staining time. Used with hematoxylin and eosin staining.

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Thioflavine S has been used to stain and visualize β-amyloid structures in the tissue sections.

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Sudan Rot 7B (Fettrot Bläulich, Lösungsmittel Rot 19, Fettrot 7B), Sigma-Aldrich®

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General purpose cytoplasmic counterstain. Used with hematoxylin and eosin staining.

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Benzaldehyde tosylhydrazone,98%

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1-Phenyl-2,3-naphthalenedicarboxylic anhydride,98%

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Silver enhancer solution B has been used in the enhancement of metallic nanoparticles and silver staining.

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Suitable as a laser dye.

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PolyFreeze is a water-soluble support matrix and a form of embedding medium for frozen sectioning. PolyFreeze sections flawlessly at routine frozen specimen thickness of 5-6 μ and leaves no slide residue. It provides for -20 ºC cryostat sectioning in rapid set embedment. This medium freezes quickly supporting the tissue for sectioning at 3 mm and up with no cracking of the matrix at temperatures from -8 °C to -25 °C.

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Methylblau, Sigma-Aldrich®

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Spirochetes TISSUE-TROL™ Control Slides from rabbit testicle tissue containing spirochetes (Treponema pallidum), TISSUE-TROL™

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Histology slides with paraffin embedded section of human skin containing melanin.

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Percoll® is a classic medium for density gradient centrifugation of cells, viruses, and subcellular particles. It consists of colloidal silica particles of 15 – 30 nm diameter (23% w/w in water), coated with polyvinylpyrrolidone (PVP).

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Acridine Orange base (3,6-Bis(dimethylamino)acridine) is a cell-permeable fluorescent dye that binds to nucleic acids. It emits green fluorescence when bound to dsDNA and red fluorescence when bound to ssDNA or RNA. It is also known to be a positive solvatochromic dye. Acridine orange has also been used as a lysosomal dye. It is widely used to detect the presence of homeopathic potencies.

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Trimethylchlorosilane: hexamethyldisilazane: pyridine (1:3:9) reagent for preparing TMS derivatives of amino acids, sugars, etc.

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N-(4-Amino-2,5-diethoxyphenyl)benzamide, (4'-Amino-2',5'-diethoxybenzanilide; Azoic Diazo No. 20; Fast blue BB)

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Redox indicator. Blue fluorescence until oxidized to ethidium. Dihydroethidium has been used as a superoxide probe in bovine pulmonary artery endothelial cell (BPAEC).

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Rhodamine 123 is useful as a laser dye and to have selective cell growth effects. It has also been used to measure mitochondrial membrane potential.