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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5,716 – 5,730 of 7,180 results

5,716

Research Products International Corp 4-Nitrophenyl Phosphate, 5 G

CAS Number(s): 4264-83-9; 333338-18-4
Molecular Formula: C₆H₄NO₆PNa₂ • 6H₂O
Molecular Weight: 371.1

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5,717

Bradley Product Inc VIOLET TISSUE DYE-2 OZ

Davidson Marking System 2 oz tissue dye violet / ea.

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5,718

Aqua Solutions Bromothymol Blue 0.1% in Methanol, pH 7.50 ± 0.05

Bromothymol Blue 0.1% in Methanol, pH 7.50 ± 0.05

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5,719

Enterprise Technology Solutions Pacon Composition Paper, 3/8" Rld 8"x10-1/2", 500Shts/RM, WE

Quality writing paper is excellent for themes and penmanship. Clear, smooth white bond is ruled on both sides for a wide variety of uses. Recyclable composition paper is not hole-punched. Both sides are printed with a 3/8" ruling and red margin.

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5,720

Bioworld Agarose Gel Loading Dye (6X) with Ficol, 25 mL

Agarose Gel Loading Dye, 6X, with Ficoll Contains: Bromophenol Blue 0,25%, Xylene Cynol FF 0.25% and Ficol 15% in 3D sterile water. Gel loading dye for molecular biology. Technical Information: 6X concentration Bromophenol Blue (0.25%) Xylene cyanol FF (0.25%) Ficoll in water (15%) Storage: 2-8C

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5,721

Biotium ViaFluor CFSE Cell Proliferation Kit

ViaFluor SE Cell Proliferation Kits use non-toxic, amine-reactive dyes to covalently label cells throughout the cell cytoplasm and intracellular compartments. Cell proliferation dyes are commonly used to monitor cell division by flow cytometry. The dyes also can be used to stably label cells to image cell morphology, or to track cell populations in mixed co-culture experiments. Labeling is covalent, so it withstands fixation and permeabilization for subsequent immunostaining. This kit contains ViaFluor CFSE which has an excitation/emission of 495/519 nm. The kit contains 10 lyophilized dye vials. Each vial is sufficient for 18 uL of 5000X stock solution.

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5,722

Ethos Biosciences Gram Stain Set, Iodine Stabilized, 4x8oz, Ethos

Gram Stain Kit with Stabilized Iodine is a complete staining system designed for microbiology and general laboratory applications. The kit includes the essential reagents—crystal violet, stabilized iodine mordant, decolorizer, and safranin counterstain—formulated to work together for consistent Gram staining results. The stabilized iodine solution enhances shelf life and staining reliability by forming a stable complex with the primary stain. This kit provides clear differentiation between gram-positive and gram-negative organisms for accurate microscopic evaluation. Ideal for routine diagnostic, research, and educational workflows, it is supplied in chemically compatible containers for convenient laboratory use.

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5,723

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.

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5,724

VITRO VIVO BIOTECH LLC VitroView™ Masson’s Trichrome Stain Kit

VitroView™ Masson’s Trichrome Stain Kit

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5,725

Gold Biotechnology Inc D-Luciferin, Sodium Salt (Proven and Published™) 1 g

Luciferin is a common bioluminescent reporter used for in vivo imaging of the expression of luciferase. This water soluble substrate for the firefly luciferase enzyme utilizes ATP and Mg2+ as cofactors to emit a characteristic yellow-green emission in the presence of oxygen, which shifts to red light in vivo at 37°C. Through the utilization of ATP, the reaction can be further used to indicate the presence of energy or life in order to function as a life-death stain.

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5,726

Ethos Biosciences Gram Stain, Crystal Violet, 4x16oz, Ethos

Crystal Violet is a staining solution suitable for microbiology, cytology, and general laboratory applications. Commonly used as a primary stain in Gram staining procedures, it provides strong coloration of gram-positive organisms for reliable microscopic evaluation. The formulation delivers consistent, precipitate free, color intensity, supporting accurate identification and differentiation of microorganisms. It is also suitable for general staining, slide preparation, and research applications.

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5,727

VITRO VIVO BIOTECH LLC VitroView™ Picro-Sirius Red Stain Kit

VitroView™ Picro-Sirius Red Stain Kit

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5,728

Polysciences, Inc. Von Kossa Method for Calcium Kit

Von Kossa Method for Calcium Kit demonstrates calcium phosphate and calcium carbonate salts. Von Kossa Method for Calcium Kit can reveal calcium deposits seen in metabolic diseases, Pagets disease, renal osteodystrophy, hyperparathyroidism, infarction (Gandy Gamna bodies), necrotic areas associated with TB, atheroma in blood vessels and Malakoplakia in the bladder (Michaelis-Gutman bodies). It is also used as a bone stain to indicate Osteomalacia.