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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6,046 – 6,060 of 7,245 results

6,046

Sigma Aldrich Fine Chemicals Biosciences m-Cresol Purple indicator grade, Dye content 90 % | 2303-01-7 | MFCD00005871 | 10G

m-Cresol Purple indicator grade, Dye content 90 % | Mol Wt: 382.43 | 2303-01-7 | MFCD00005871 | 10G

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6,047

Newcomer Supply Nuclear Fast Red Stain, Kernechtrot, 500 ml

Newcomer Supply Nuclear Fast Red Stain, Kernechtrot is a versatile stain and/or counterstain that combines nuclear fast red dye with an aluminum sulfate mordant to selectively stain nuclear chromatin red and provide nonspecific background tissue staining in shades of pink. This stain solution is used in a wide variety of staining procedures that include: Alcian Blue 1%, pH 2.5 Stain, Alcian Blue 1%, pH 1.0 Stain, Fontana Masson Stain, Colloidal Iron Stain MÏ‹ller-Mowry, Iron Stain Gomori Prussian Blue, Reticulum Stain Gordon & Sweets, and Von Kossa Calcium Stain. Shelf Life is 2 years from date of manufacture. Store at 15-30°C.

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6,048

Sigma Aldrich Fine Chemicals Biosciences Basic Fuchsin certified by the Biological Stain Commission, Dye content >=88 % | 569-61-9 | MFCD00001657 | 100G

Basic Fuchsin certified by the Biological Stain Commission, Dye content >=88 % | Mol Wt: 323.82 | 569-61-9 | MFCD00001657 | 100G

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6,049

Sigma Aldrich Fine Chemicals Biosciences Evans Blue Dye content | 314-13-6 | MFCD00004021 | 100g

Evans Blue Dye content | 75% | 960.81 | 314-13-6 | MFCD00004021 | 100g

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6,050

Thomas Scientific 12-Strip Tubes (only) Violet

12-Strip Tubes (only) Violet

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6,051

Sigma Aldrich Fine Chemicals Biosciences Fluorescein (free acid) Dye content 95 % | 2321-07-5 | MFCD00005050 | 100G

Fluorescein (free acid) Dye content 95 % | Mol Wt: 332.31 | 2321-07-5 | MFCD00005050 | 100G

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6,052

Fd Neurotechnologies Inc FD Cresyl Violet Solution™ (Double Strength)

FD Cresyl Violet Solution™, made from cresyl violet acetate certified by the BIOLOGICAL STAIN COMMISSION and with a step-by-step user manual printed on the bottle, is specifically designed for easy use in all types of laboratories. This solution is formulated and extensively tested for the staining of nerve tissue. Cresyl violet imparts a violet color to nuclear chromatin and Nissl substances. This solution is excellent for visualizing neuronal cell bodies and glial nuclei.

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6,053

Sigma Aldrich Fine Chemicals Biosciences Methyl Red | 493-52-7 | MFCD00002425 | 25g

Methyl Red | ACS reagent, crystalline | MW:269.3 | 493-52-7 | MFCD00002425 | 25g

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6,054

Perkin Elmer US LLC Calibrated Diffuse Color Standards - 2 in, Qty. 4

Colors for this set are orange, purple, cyan and violet. This set of 4 calibrated 2 inch diameter diffuse color standards are used for establishment of photometric accuracy and linearity in diffuse reflectance mode. Calibration is traceable to NIST and NPL standards, and is calibrated 250-2500 nm reported each 50 nm. Disc is included with data each 1 nm.