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Coomassie brilliant blue R-250 CAS:6104-59-2
Coomassie Brilliant Blue R-250 is a commonly used dye in protein research and electrophoresis. It is especially noted for its use in staining proteins in polyacrylamide gel electrophoresis (PAGE). Due to its strong affnity for proteins, it binds to them, resulting in a highly visible blue color that allows for the visualization and quantification of proteins. Additionally, it is often used in protein purification processes as a dye for assessing protein concentration and assessing the success of the purification process.
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Ponceau S CAS:6226-79-5 Manufacturer Price
Ponceau S is a red dye commonly used in protein research to stain proteins on nitrocellulose or PVDF membranes after transfer from polyacrylamide gels. It is often used as a reversible stain as it does not covalently bind to proteins, allowing for subsequent analysis. Ponceau S staining is quick, sensitive, and provides a visible indicator of protein transfer efficiency.
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Toluidine blue O CAS:92-31-9 Manufacturer Price
Toluidine Blue O is a vital stain used in histology and cytology to aid in the visualization of cellular structures. It has an affinity for acidic tissue components like nucleic acids and cartilage. When applied to tissue samples, Toluidine Blue O can help to distinguish different cell types and highlight specific structures under a microscope. This stain is particularly useful in differentiating between healthy and diseased tissues, making it an essential tool in diagnostic and research settings.
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Trypan Blue CAS:72-57-1 Manufacturer Price
Trypan Blue is a diazo dye that is commonly used in biology and medicine. It is frequently employed as a vital stain to selectively color dead cells, allowing for the differentiation of live and dead cells in cell culture. Trypan Blue is often used in cell viability assays to assess cell health and is also utilized in laboratory research, such as in counting viable cells using automated cell counters. Additionally, it has applications in ophthalmic surgery, where it is used to stain the anterior capsule of the lens during cataract surgery to aid in visualization.
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xylenecyanol ff CAS:2650-17-1 Manufacturer Price
Xylene cyanol FF is a tracking dye commonly used in molecular biology applications, such as agarose and polyacrylamide gel electrophoresis. It is used to monitor the progress of the DNA or RNA samples through the gel during electrophoresis, as well as to estimate the migration distance of the nucleic acid. Xylene cyanol FF typically migrates with a size range of DNA or RNA fragments that have approximately 4,000 – 6,000 base pairs.
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Carmine CAS:1390-65-4 Manufacturer Price
Carmine is a bright red pigment derived from cochineal insects. It is commonly used in food, cosmetics, textiles, and artwork. Its vibrant hue makes it popular for adding color to a wide variety of products.
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MTT (Thiazolyl blue tetrazolium bromide) CAS:298-93-1
MTT, or Thiazolyl blue tetrazolium bromide, is a yellow tetrazole compound that is commonly used in cell biology and biochemistry to assess cell viability and proliferation. When added to living cells, MTT is converted by mitochondrial enzymes into a purple formazan product, which can be quantified spectrophotometrically. This assay is widely employed to measure cell metabolic activity and has applications in drug development, cytotoxicity testing, and studying cell signaling pathways. MTT is a valuable tool for researchers studying cell biology and exploring the effects of various compounds on cellular health and function.
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Coomassie brilliant blue G-250 CAS:6104-58-1
Coomassie Brilliant Blue G-250 is a dye commonly used to stain proteins in polyacrylamide gel electrophoresis. It binds to proteins and allows them to be visualized easily, aiding in the analysis of protein separation and quantification. It is widely used in biochemical and molecular biology research as a sensitive and reliable protein staining technique.
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Nitrotetrazolium blue chloride CAS:298-83-9
Nitrotetrazolium blue chloride, often abbreviated as NBT, is a chemical compound commonly used as a substrate to detect the presence of certain enzymes, such as nitroreductases, in biological samples. When NBT is reduced by these enzymes, it forms an insoluble formazan product, producing a blue or purple color that can be visually or spectrophotometrically quantified. This reaction is frequently employed in research to study enzyme activity, particularly in immunology and microbiology. Additionally, NBT has been utilized in various assays to understand redox reactions and cellular oxidative stress.
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DAPI (4,6-Diamidino-2-phenylindole dihydrochloride) CAS:28718-90-3
DAPI (4,6-Diamidino-2-phenylindole dihydrochloride) is a fluorescent stain commonly used in molecular and cell biology to label DNA. It is known for its high affinity to bind to the minor groove of double-stranded DNA and emit blue fluorescence when illuminated with ultraviolet light. DAPI is widely used in various techniques, such as fluorescent microscopy, flow cytometry, and immunohistochemistry, to visualize and study the structure and distribution of DNA within the cell.
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Oil Red O CAS:1320-06-5 Manufacturer Price
Oil Red O is a lysochrome (fat-soluble dye) used for staining neutral triglycerides and lipids. It is commonly employed in histology and cell biology to visualize lipid droplets in tissue sections and cell cultures. Oil Red O stains these lipid structures red, providing a clear contrast from the surrounding tissue, making it a valuable tool in lipid metabolism research and the study of lipid-related diseases.
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Ethidium bromide CAS:1239-45-8 Manufacturer Price
Ethidium bromide is a fluorescent dye commonly used as a nucleic acid stain in molecular biology research. It intercalates between the base pairs of DNA and RNA, allowing visualization of the nucleic acids under ultraviolet light. Ethidium bromide is frequently used in techniques such as gel electrophoresis to visualize and analyze DNA and RNA samples.
