ATTO647N™-lysine-dextran

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Please send an e-mail to [email protected] if you would like to receive a quote, place a bulk order or if you wish to place your order manually. ATTO647N-lysine-dextran is manufactu red by reacting a selected dextran fraction with an ATTO647N derivative. The fluorescent dye ATTO647N belongs to a new generation of fluorescent dyes for the red spectral region and exhibits strong absorption, excellent fluorescence quantum yield, high photostability, excellent ozone resistance and very little triplet formation. TdB Labs produce ATTO647N-lysine-dextran with a molecular weight of 70 kDa. Can’t find what you are looking for? We can always produce a customised product for you. Structure ATTO647N-lysine-dextran is synthesised from well-characterised dextran fractions derived from Leuconostoc mesenteroides labelled with lysine. Lysine-dextran is then functionalised with ATTO647N under mild conditions to form ATTO647N-lysine-dextran. The degree of substitution of lysine is between 0.01-0.02 and 0.001-0.01 for ATTO647N.Spectral data ATTO647N-lysine-dextran has an absorbance maximum at 646 nm and an emission wavelength of 664 nm (pH 7.4).Storage and stability ATTO647N-lysine-dextran is stable for more than 6 years when stored dry in well-sealed containers at ambient temperature.Solubility ATTO647N-lysine-dextran dissolves readily in water.Application ATTO647N-lysine-dextran provides tools for bioconjugation and fixation. The dye is suitable for single-molecule detection and high-resolution microscopy. If you need larger quantities please contact us for a bulk quotation. Technical information Download SDS Download datafile Specifications ATTO647N-lysine-dextran Show more