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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6,706 – 6,720 of 7,247 results

6,706

Biotium NucSpot Live 650, 1000X in DMSO

NucSpot Live Cell Nuclear Stains are cell-membrane permeable DNA dyes that specifically stain nuclei in live or fixed cells. They have excellent specificity for DNA without the need for a wash step, and they have low toxicity for live cell imaging. The dyes are supplied as 1000X stock solutions in DMSO, and are supplied with a vial of verapamil, which may increase probe retention and staining in some cell types. NucSpot Live 650 stains nuclei with far-red fluorescence and has an excitation/emission of 650/675 nm for detection in the Cy5 channel. Properties: Ex/Em= 650/675 nm; Store at 4°C and protect from light.

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6,707

Biotium Neuro-DiO

Neuro-DiO was developed as an improved alternative and replacement for the green fluorescent DiO, which has been found to be difficult to use for neurons and cell suspension due to low solubility, tendency to form aggregates and slow lateral diffusion rate. Neuro-DiO and DiO have nearly identical absorption and emission spectra, but the former has better solubility in membranes and does not form nonfluorescent aggregates, which also tend to slow down the dye diffusion rate in membranes. Also offered as ready-to-use CellBrite™ Cytoplasmic Membrane Dyes. Properties: Ex/Em = 484/501nm; Yellow-orange solid soluble in ethanol, hexane, DMSO or vegetable oil; Store at 4°C, protect from light; C67H105ClN2O5S; MW: 1086

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6,708

Biotium SynaptoRed™C2 5x1mg

A widely used red fluorescent dye for following synaptic activity by staining synaptic vesicles at the synapse or neuromuscular junctions. When used in combination with the green fluorescent dye SynaptoGreen™, synapses or neuromuscular junctions can be imaged independently in two colors. SynaptoRed™ has also been used to study endocytosis in Dictyostelia. Properties: Dark purple solid soluble in water C30H45Br2N3; MW: 608; [162112-35-8].FM is a registered trademark of Thermo Fisher Scientific.

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6,709

Biotium Nonyl Acridine Orange (NAO)

NAO is a mitochondrial dye whose staining is not dependent on mitochondrial membrane potential, unlike JC-1 and Rhodamine 123. NAO has been used to study multidrug resistance and to measure changes in mitochondrial mass during apoptosis.Properties: Ex/Em (MeOH) = 495/522nm; e (MeOH) = 63,000; Orange solid soluble in DMSO or DMF; Store at 4°C and protect from light, especially in solution; C26H38BrN3; MW: 473; [75168-11-5]

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6,710

Research Products International Corp RPI Brilliant Green [Ethyl Green], 25 Grams

Substance Name: Ethyl Green
CAS Number: 633-03-4
Molecular Formula: C₂₇H₃₄N₂O₄S
Molecular Weight: 482.63

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6,711

Bioworld Gram Stain Kit, 100 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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6,712

Bioworld Decolorizing Solution, 16 oz

Used in Gram staining

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6,713

Bioworld Bradford Dye Concentrate (5x), 500 mL

Bradford Dye Concentrate, 5x Bradford method utilizes Coomassie Brillant Blue G-250 dye binding to an unknown protein and forming a complex which can be detected spectophotometrically at 595nm. Specifications:Method of choice for protein quantitation. Designed to quantitate 1 to 10µg/ml protein but can be scaled up to quantitate 10 to 100µg/ml simply by increasing the volume of the dye generating a standard curve in the 10 to 100µg/ml range.

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6,714

Hach Company Bromthymol Blue Indicator Solution, 500 mL

Bromthymol Blue Indicator Solution. Standardized for colorimetric pH determination pH range 5.5-8.5. 500 mL bottle

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6,715

Bioworld Loeffler's Alkaline Methylene Blue (Methylene Blue Counterstain), 100 mL

Loeffler's Alkaline Methylene Blue (Methylene Blue Counterstain) can be used as a counter stain for Carbol-Fuchsin staining.The product is supplied as a two-component reagent in a ratio 1:3 (Dye:Base).Mix 1 part Solution A (MethyleneBlue) with 3 part Solution B (Dilute KOH).

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6,716

Enzo Life Sciences Calcein AM (ultra pure) (1mg). CAS: 148504-34-1

Calcein acetomethoxy (AM), a derivative of calcein, is useful for differentiating between live and dead cells. Calcein AM readily passes through the cellular plasma membrane. Once inside, esterases cleave the AM groups yielding the more hydrophilic calcein, trapped inside the cell. The loss of the acetomethoxy group also enables calcein to readily bind intracellular calcium; resulting in a strong yellowish-green fluorescence. As dead cells lack cytoplasmic esterases, fluorescence is demonstrated exclusively in live cells, making the probe useful for determining cell viability. Calcein-AM exhibits low cytotoxicity and does not significantly affect cellular functions such as proliferation or chemotaxis. Wavelength Maxima: Excitation 495nm, Emission 515nm. Alternative name: 3',6'-Di(O-acetyl-2',7'-bis[N,N-bis(carboxymethyl)-aminomethyl]fluorescein tetraacetoxymethyl ester. Purity: ≥95% (HPLC). Solubility: Soluble in DMSO. Long Term Storage: -20°C.

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6,717

Cytek Biosciences Inc Ghost Dye™ Violet 540

Ghost Dye™ Violet 540 ..... Cat. No. 13-0879-T500 ..... Size 500 tests

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6,718

Electron Microscopy Sciences Biebrich Scarlet, Water Soluble 25 GR

(Bonceau BS; Acid Red 66; Croceine Scarlet; Double Scarlet BSF)
CAS #4196-99-0 C₂₂H₁₄N₄Na₂O₇S₂ F.W. 556.4 9
Solubility: 5.0% Water; 0.25% Alcohol; 1.5% Cellosolve; 1.5% Glycol; 0.0% Xylene

Used with picric acid/aniline blue for staining collagen, recticulum, muscle, and plasma. Also Luna's method for erythrocytes & eosinophil granules and Guard's method for sex chromatin and nuclear chromatin. Biebrich Scarlet, water soluble is also known as Bonceau BS; Acid Red 66; Croceine Scarlet and Double Scarlet BSF.

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6,719

Electron Microscopy Sciences Aniline Blue, C.I. DcK-11 25 GR

(Acid Blue 22; China Blue; Cotton Blue; Marine Blue V; Soluble Blue 3M, 2R; Water Blue)
CAS #28631-66-5 C₃₂H₂₅N₃O₉S₃Na₂ F.W. 737.74
Solubility: 50% Water; 0.0% Alcohol; 4.5% Cellosolve; 7.8% Glycol; 0.0% Xylene

Aniline Blue Disodium Salt is used in connective tissue staining procedures to stain collagen. Used in differential staining (Snodgress el al., Lab Invest. 26:329, 1972).

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6,720

Electron Microscopy Sciences DPX Mountant for Microscopy, 500ml

DPX Mountant for Microscopy is a mixture of Distyrene, a plasticizer, and xylene. It is a colorless synthetic resin mounting media which replaces Xylene-Balsam. It preserves the stain and dries quickly. It comes in the amount of 500ml.

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Research Products International Corp RPI Brilliant Green [Ethyl Green], 25 Grams Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Research Products International Corp RPI Brilliant Green [Ethyl Green], 25 Grams