"SIGMA ALDRICH MICROSCOPY"

Neutral red solution, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Used as a red nuclear counterstain in various cytochemical procedures.

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2,4-Dimethoxytoluene, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

2,4-Dimethoxytoluene, Sigma-Aldrich®

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FURA-2 pentapotassium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Cell impermeable fluorescent probe for Ca2+.

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Quinaldine red 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Quinaldine red has been used as a fluorescent probe for α1-acid glycoprotein (AAG). It is also used a diagnostic assay manufacturing, hematology, histology.

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Formalin 10% histological fixative, neutral buffered, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Formalin solution (10%, neutral buffered) is a widely used fixative for samples processed for light microscopy. It requires a relatively short period of fixation. It is suitable for the long-term storage of tissue. Once properly fixed, the tissue should be able to withstand the subsequent stages of tissue processing or staining.

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N,N-Diethyl-p-phenylenediamine oxalate salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

N,N-Diethyl-p-phenylenediamine oxalate salt, (4-Amino-N,N-diethylaniline oxalate salt)

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Methylene violet ≥65% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Certified for use as a constituent of MacNeal′s tetrachrome stain for blood.

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Control slide, Melanin TISSUE-TROL™, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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

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Phloroglucinol, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phloroglucinol (phlo) is a phenol derivative that shows a cytoprotective effect from oxidative damage by enhancing the activity of cellular catalase. It can also be used to prepare synthetic analogs of A-type proanthocyanidins (PACs) such as 2,8-dioxabicyclo nonane derivatives by reacting with the corresponding flavylium salts. Phlo can react with benzaldehyde derivatives to form phloroglucinol-based microporous polymeric organic frameworks (phlo-POF) with potential applications in ion exchange and gas adsorption. Phloroglucinol is an antispasmodic and a derivative of phenol.

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Phenol red sodium salt dye pH-indicator, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6,4 and below, phenol red solution will have a yellow colour. At a pH of 8,2 and above, it will have a red colour. It is commonly used in culture media to detect neutral to acidic pH changes.

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Direct yellow 27, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

As a direct dye, Direct Yellow 27 is an acid dye with large molecules that will bind to cellulose fibers directly. It is mono azo dye with good light fastness.