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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6,751 – 6,765 of 7,247 results

6,751

Cayman Chemical Saturated/Monounsaturated Fatty Acid MaxSpec LC-MS Mixture, Purity: ≥95%, 1 ea

Contains various saturated or unsaturated fatty acids; designed for direct use in LC-MS applications. Each ampule contains at least 1 ml: Arachidic Acid (Item No. 9000339) Lauric Acid (Item No. 10006626) Lignoceric Acid (Item No. 13353) Myristic Acid (Item No. 13351 Nervonic Acid (Item No. 13940) Oleic Acid (Item No. 90260) Palmitic Acid (Item No. 10006627) Palmitoleic Acid (Item No. 10009871) Stearic Acid (Item No. 10011298)

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6,752

Electron Microscopy Sciences DPX Mountant for Microscopy, 100ml

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 100ml.

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6,753

Electron Microscopy Sciences Cresyl Fast Violet, Certified, C.I. DcW-5 5 GR

(Cresyl Violet Acetate)
CAS #10510-54-0 C₁₈H₁₅N₃O₃ F.W. 321.34
Solubility: 0.13% water

Vogt's method for nerve cells. A neurological tissue stain. Nissl substance & PAS-positive material. Powers & Clark method for spinal cord and brain with formalin or Bouins fixed.

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6,754

Electron Microscopy Sciences Weigert's Iron Hematoxylin A 1 LT

Weigert's Iron Hematoxylin Stain is used selectivity for nuclei, fungal, and general applications. It is a ready-to-use, high quality staining solution that is packaged and prepared in convenient and precise quantities.

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6,755

Scytek Laboratories PAP Pen Mini, Marking Pen, Insoluble in Alcohol and Acetone

This marking pen has been designed to provide a thin film-like barrier when a circle is drawn around the specimen on a slide. This barrier creates the proper surface tension to hold an antibody solution within the target area on the slide. PAP Pen contains a special formulation which is insoluble in alcohol and acetone. It can be removed, if desired, by xylene after the staining procedure is completed.

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6,756

Volu Sol Hematology Rinse, 5 gal / 20 L, Volu-Sol™

Rinse, for use with Wright Stain, Wright-Giemsa Stain, and Hematology Buffer. Used as a final rinse solution for blood smears. The controlled pH of 7.0 and the buffering capacity allows for faster drying, superior staining results, less precipitates

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6,757

Aqua Solutions Phenolphthalein 1% w/v in 70% v/v Ethyl Alcohol (100ML)

Phenolphthalein 1% w/v in 70% v/v Ethyl Alcohol (100ML)

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6,758

Volu Sol Dip-Stain Solution II (Eosin), 128 oz / 3.78 L, Volu-Sol™

Eosin, a component of the Dip-Stain Kit

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6,759

Polysciences, Inc. Gills Hematoxylin #2, double strength for Histology & Cytology, 1412-19-7, MFCD00078111, 500 mL

HEMATOXYLIN, Molecular Formula: C16 H14 O6, Molecular Weight: 302.281. Polysciences, Inc. Gold Standard Series Hematoxylin and Eosin products offer you the highest quality for routine staining. Strict quality control for all Gold Standard Series Routine Stains ensures lot-to-lot consistency. Stains are packaged in convenient plastic recyclable containers. General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining. Storage: Store at room temperature.

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6,760

Aqua Solutions Phenolphthalein Soln. 0.5% w/v in Methanol (100ML)

Phenolphthalein Soln. 0.5% w/v in Methanol (100ML)

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6,761

Cytek Biosciences Inc GHOST DYERED 710 500T

Ghost Dye Red 710 Apps: FC Size: 500 tests

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6,762

Cytek Biosciences Inc GHOST DYE RED 780 100T

Ghost Dye Red 780 Apps: FC Size: 100 tests

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6,763

Biotium Calcein AM

Calcein AM is a widely used green fluorescent cell marker. Calcein AM is membrane-permeant and thus can be introduced into cells via incubation. Once inside the cells, calcein AM is hydrolyzed by endogenous esterase into the highly negatively charged green fluorescent calcein, which is retained in the cytoplasm. Calcein AM is an excellent tool for the studies of cell membrane integrity and for cell tracing. Supplied in lyophilized form or as a solution in anhydrous DMSO at 4 mM (80011-1) or 1 mg/mL (1 mM) (80011-2). Calcein AM is also offered in our Cell Viability and Cytotoxicity Assay Kit. Properties: Ex/Em (calcein) = 494/517 nm (pH 8); Colorless solid soluble in DMSO; Store at -20°C and protect from light; C46H46N2O23; MW: 995

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6,764

STEMCELL Technologies Propidium Iodide, Size: 10 mg

Propidium Iodide (PI) is a red-fluorescent cell viability dye which is excluded from live cells with intact membranes, but penetrates dead or damaged cells and binds to DNA and RNA by intercalating between the bases. It is widely used as a counterstain to differentiate and exclude non-viable cells in flow cytometric analyses, and can be excited using blue (488 nm), green (532 nm), or yellow-green (561 nm) laser lines, with detection in the FL2 or FL3 channels. PI is used in DNA fluorescence imaging applications to discriminate early and late stages of apoptosis, to study cell‐mediated cytotoxicity, and for chromosome analysis. It is also commonly used in quantitative DNA assays.

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6,765

Hach Company Phenolphthalein Indicator Solution, 100 mL

pH indicator for use in titrations. Color change: colorless to pink at ~pH 8.3, 5 g/L in 50% isopropanol

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