ATTO Rho101 is a derivative of the well-known dye Rhodamine 101. Characteristic features of the label are strong absorption, extraordinarily high fluorescence quantum yield, and high thermal and photo-stability. The dye is moderately hydrophilic.
ATTO Rho101is a cationic dye. After coupling to a substrate the dye carries a net electrical charge of +1.Its fluorescence can be excited efficiently in the range 570 - 600 nm.