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Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.
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ABTS diammonium salt (CAS 30931-67-0) is a soluble peroxidase substrate frequently utilized for evaluating antioxidant activity It is designed to undergo enzymatic oxidation by horseradish peroxidase (HRP) generating the ABTS radical cation a green-colored species measurable by spectrophotometry ABTS diammonium salt exerts its activity primarily through oxidation by HRP resulting in a colored product with a characteristic absorbance profile In in vitro assays it enables quantitative analysis of antioxidant capability Based on these properties ABTS diammonium salt holds research potential in antioxidant activity assessment for various biologically relevant compounds including plant extracts pharmaceuticals and bioactive molecules
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Wright Staining solution is a prepared, ready-to-use, high quality staining solution that saves time and effort and produces consistent uniform results. It is used as a blood stain.
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Newcomer Supply Hematoxylin Stain, Harris is a ready to use regressive hematoxylin that does not require filtering, is mercury-free and does not contain glacial acetic acid or ethylene glycol. This Harris formulation is designed for either manual or automated staining. Shelf Life is 2 years from date of manufacture. Store at 15-30°C.
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Caspases are a family of protease enzymes that play essential roles in programmed cell death termed apoptosis. Caspase-3 is a caspase protein that interacts with caspase-8 and caspase-9 and sequential activation of plays a central role in the execution-phase of cellular apoptosis.The BioTracker NucView 405 Blue Caspase-3 Dye provides a convenient live cell tool for profiling apoptotic cell populations based on caspase-3/7 activity using either fluorescence microscopy or flow cytometry. In contrast to other fluorogenic caspase substrates or fluorescent caspase inhibitor based (fLICA) assays the BioTracker NucView 405 Caspase-3 Dye can be used to detect caspase-3/7 activity within individual intact cells without inhibiting apoptosis progression. The substrate consists of a fluorogenic DNA dye coupled to the caspase-3/7 DEVD recognition sequence. The substrate which is initially non-fluorescent penetrates the plasma membrane and enters the cytoplasm. In apoptotic cells caspase-3/7 cl
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PerkinElmer Janus compatible P30, filter/sterile, Working Volume: 30uL, Tip Color: Clear, Tip Box, MDT, Compare To: 6001620, 50 racks/case with 384 tips per rack
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MW 505.71 g/mol, Purity >98%. Tetrazolium dye precursor that forms a purple formazan dye on reduction. Used as an electron acceptor for the colorimetric assay of dehydrogenase activity. Also used for western blot staining and as a staining agent for soft agar colony formation assays.
MW 404.4 g/mol. pH indicator with color changes for acidic solutions of pH 0.2 (red) to pH 1.8 (yellow), and for basic solutions of pH 7.2 (yellow) to pH 8.8 (red). Used in many common molecular biology reactions in place of other loading dyes. It does not inhibit Taq polymerase to the same degree as other common loading dyes.
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Fast drying dye is ideal for marking tissue biopsies and pathology specimens and can be used with frozen or fixed tissues. It is a specially formulated binding pigment that evenly coats the tissue without penetrating the tissue surface. The marking dyes do not interfere with diagnostic interpretation due to the fact colors are not similar to standard histopathology dyes. It can be used to permanently mark the margins of excised surgical specimens for exact orientation.
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The nucleus is a membrane-enclosed organelle found in eukaryotic cells. Cell nuclei contain most of the cells genetic material organized as multiple long linear DNA molecules in complex with a large variety of proteins such as histones to form chromosomes. Traditionally DNA stains such as DAPI and Hoechst have been used for microscopy but require fixation and cannot be used for live cell imaging.The BioTracker NIR694 Nuclear Dye (DMSO) is a cell membrane-impermeable far-red dye with high selectivity for membrane compromised or dead cells. Dye staining is nuclear specific in fixed and permeabilized cells and tissue sections and does not require RNase treatment. The dye can be excited by wavelengths from 488 to 647nm and emits far red fluorescence with emission maximum at 694nm. for live cell nuclear staining we recommend the BioTracker NIR694 Nuclear Dye (Water).Spectral PropertiesAbsorbance 662nmEmission 694nm
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Copper is one of the trace metals required by living organisms and is an essential cofactor for enzyme activities of cytochrome c oxidase superoxide dismutase and tyrosinase. On the other hand abnormal homeostasis of copper leads to severe disorders such as Menkes syndrome and Wilsons disease or may be related to Alzheimers disease and cancers.BioTracker Green Copper Live Cell Dye is a fluorescent probe to detect Cu which is a dominant redox state of copper in an intracellular reducing environment. The dye is a colorless material with almost no fluorescence. Upon the reaction with Cu its fluorescence intensity at 510 nm increases more than 100 times to that before the reaction. However fluorescence increase is not observed in the presence of reactive oxygen species and other trace metals in cells including Cu2 Mn2 Co2 Ni2 fe fe2 and Zn2.Spectral PropertiesAbsorbance (max) 480nmEmission (max) 510nmResearch CategoryLive Cell Dye
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