RB-PEG-NH2 (rhodamine polyethylene glycol amino)

RB-PEG-NH2 (rhodamine polyethylene glycol amino) is a fluorescent peg derivative, which has maximum absorption at 570nm and emits near 595nm. Rhodamine can be easily traced from its pink and red fluorescence. Rb-peg-nh2 is easily linked to proteins and peptide drugs, and easily conjugated to other molecules or material surfaces.