Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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6,526 – 6,540 of 7,245 results

6,526

Alkali Scientific Acid Fuchsin Calcium Salt, 100 Grams

Acid Fuchsin Calcium Salt, 100 Grams, is a biological stain used in histology, microbiology, and other laboratory procedures. This reagent is commonly used to color cellular components, such as cytoplasm and nucleic acids, providing contrast during microscopic examination. Acid fuchsin is also utilized in the detection of specific cellular structures, making it valuable for diagnostic and research applications. This calcium salt form enhances the stability and solubility of the dye, ensuring consistent results in staining protocols. The 100g quantity is ideal for laboratories performing routine histological staining, microbiological culture work, or other cellular analyses.

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6,527

Ethos Biosciences Gram Stain, Decolorizer 75/25, 1gal, Ethos

75/25 Gram Decolorizer is a solvent blend designed for microbiology and general laboratory applications. Used as the decolorizing step in Gram staining procedures, it selectively removes the primary stain from gram-negative organisms while allowing gram-positive organisms to retain the crystal violet–iodine complex. The controlled 75/25 formulation provides consistent and reliable decolorization for accurate differentiation during microscopic evaluation. Ideal for routine diagnostic and research workflows, it supports dependable and reproducible Gram stain results. Supplied in chemically compatible containers, 75/25 Gram Decolorizer is suitable for clinical, research, and educational laboratory environments.

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6,528

Sigma Aldrich Fine Chemicals Biosciences Sudan Black B | 4197-25-5 | MFCD00006919 | 25g

Sudan Black B | Mol Wt: 456.54 | 4197-25-5 | MFCD00006919 | 25g

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6,529

MilliporeSigma FLUORESCEIN DIACETATE

FLUORESCEIN DIACETATE ..

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6,530

Fluotics PerkinElmer Janus Varispan compatible P200, sterile

PerkinElmer Janus Varispan compatible P200, sterile, Working Volume: 200uL, Tip Color: Black, Hanging Rack, Varispan, 24 racks/case with 96 tips per rack

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6,531

American Research Products Inc ASPARTATE AMINOTRANSFERASE AST

5000265597 ASPARTATE AMINOTRANSFERASE AST

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6,532

Bioworld Gram Stain Kit, 250 mL

Contains one bottle of each solution: Crystal Violet, Iodine, Decolorizer, Safranin-O Counterstain The iodine reagent is a stable, single solution, requiring no mixing.

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6,533

Fluotics PerkinElmer Janus Varispan compatible P50, filter/sterile

PerkinElmer Janus Varispan compatible P50, filter/sterile, Working Volume: 50uL, Tip Color: Black, Hanging Rack, Varispan, 24 racks/case with 96 tips per rack

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6,534

American Research Products Inc OXALATE OXALIC ACID COLORIMETR

5000265373 OXALATE OXALIC ACID COLORIMETR

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6,535

Aat Bioquest LysoBrite Orange (500 Tests)

Lysosomes are cellular organelles which contain acid hydrolase enzymes to break up waste materials and cellular debris. This catalog is for 500 Tests.