Bio-Synthesis offers ATTO 633 fluorescent dye oligonucleotide labeling services. ATTO 633 is a red specral dye and has characteristic features of the label are strong absorption, high fluorescence quantum yield, and has high thermal and photo-stability. ATTO 633 is highly suitable for single-molecule detection applications and high-resolution microscopy such as PALM, dSTORM, STED etc. Additionally the dye highly qualifies to be applied in flow cytometry (FACS), fluorescence in-situ hybridization (FISH) and many more. ATTO 633 is a cationic dye, it excited most efficiently in the range 610-645 nm which most suitable for excitation source using He:Ne laser or a diode-laser emitting at 635 nm. They dye can be use as an alternative dye for LIZ dye, and Alexa 633.
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-20°C To -70°C Oligonucleotides are stable in solution at 4°C for up to 2 weeks. Properly reconstituted material stored at -20°C should be stable for at least 6 months. Dried DNA (when kept at -20°C) in a nuclease-free environment should be stable for years.