Bio-Synthesis offers ATTO 700 fluorescent dye oligonucleotide labeling services. ATTO 700 has characteristic features of the label are strong absorption, high fluorescence quantum yield, good water solubility, and has high thermal and photo-stability. ATTO 700 is a zwitterionic dye with electrically neutral charge after coupling. ATTO 700 is a strong electron acceptor dye. Its fluorescence can be efficiently quenched by electron donors like guanine, tryptophan, etc. The fluorescence is excited most efficiently in the range 670 - 715 nm. They dye can be use as an alternative dye for Cy5.5, IRD 700 fluorescent dye.
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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.