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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6,136 – 6,150 of 7,235 results

6,136

Biotium BactoView™ Live Red

BactoView™ Live dyes are fluorogenic live cell bacterial stains. The stains are bright and cell-permeable, they are able to stain both gram-positive and gram-negative bacteria. Stained cells can be detected by fluorescence microscopy or flow cytometry. BactoView™ Live dyes can stain both live and dead bacteria, though dead cells tend to stain a bit brighter than live cells. BactoView™ Live Red can be detected in the PE-Cy5 channel for flow cytometry, and the Cy3 channel for microscopy. Properties: Liquid; Ex/Em= 572/675 nm; Store at 4°C and protect from light.

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6,137

Sigma Aldrich Fine Chemicals Biosciences Ponceau S BioReagent, suitable for electrophoresis | 6226-79-5 | MFCD00003892 | 50G

Ponceau S BioReagent, suitable for electrophoresis | Mol Wt: 760.57 | 6226-79-5 | MFCD00003892 | 50G

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6,138

INTACT GENOMICS INC ig 10B Electrocompetent Cells 12x50l

Intact Genomics ig 10B (10B derivative) electrocompetent E. coli cells offer the highest transformation efficiencies of 5 x 1010 cfu/g plasmid DNA which are ideal for applications requiring high transformation efficiencies, such as with cDNA or gDNA library construction.Product includes and Storage:ig 10B electroCompetent cells: -80 CpUC19 control DNA: -20 CRecovery medium: 4 C

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6,139

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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6,140

Sigma Aldrich Fine Chemicals Biosciences Bromocresol Green ACS reagent, Dye content 95 % | 76-60-8 | MFCD00005874 | 25G

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6,141

Sigma Aldrich Fine Chemicals Biosciences Fluorescein United States Pharmacopeia (USP) Reference Standard | 2321-07-5 | MFCD00005050 | 200MG

Fluorescein United States Pharmacopeia (USP) Reference Standard | Mol Wt: 332.31 | 2321-07-5 | MFCD00005050 | 200MG

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6,142

INTACT GENOMICS INC DirectPlate 10B Chemically Competent Cells 36x50µl

Intact Genomics (ig) DirectPlate™ Competent cells offer simple, fast, and robust results for your DNA transformation needs. It's a perfect choice for researchers looking to simplify their transformation workflow by eliminating heat shock, lengthy incubations, and time-consuming outgrowth procedures. Simply mix and directly plate! DirectPlate™ 10B chemically competent E. coli cells provide higher transformation efficiency than any competitor’s similar product and are suitable for high-efficiency transformation in a wide variety of applications such as cloning and sub-cloning. Our DirectPlate™ 10B chemically competent cells have the highest transformation efficiency on the market.Product Include and Storage: DirectPlate™ 10B Chemically Competent Cells: -80 ºCpUC19 control DNA: -20 ºC

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6,143

Sigma Aldrich Fine Chemicals Biosciences 2,6-Xylenol >=99%, FG | 576-26-1 | MFCD00002240 | 1KG

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6,144

Sigma Aldrich Fine Chemicals Biosciences 569-61-9 | 569-61-9 | MFCD00001657 | 25g

569-61-9 | Purity: 85% | MW: 323.82 | 569-61-9 | MFCD00001657 | 25g

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6,145

Chondrex Inc BROMOPHENOL BLUE BPB PROTEIN

5000102514 BROMOPHENOL BLUE BPB PROTEIN

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6,146

Aat Bioquest Trypan Red Plus™ 0.1 M aqueous solution

Trypan Red Plus™ is similar to Trypan Blue in cell permeability. It is not permeable to live cells.

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6,147

Biotium Ethidium Homodimer I

Ethidium Homodimer I (EthD-1) is a high-affinity fluorescent nucleic acid stain. It binds to both DNA and RNA in a sequence-independent manner and with a >30-fold fluorescence enhancement. It is useful for detecting nucleic acids in solution, or for selectively staining dead cells with damaged plasma membranes. Biotium offers Ethidium Homodimer I in much higher purity than other manufacturers. The dye has an excitation/emission of 528/617 nm when bound to DNA. Properties: Red solid soluble in water or DMSO; Store dessicated at 4°C, protect from light; Ex/Em = 528/617 nm (with DNA); C46H50Cl4N8; MW:857; [61926-22-5].