A 8-hydroxypyrene-1,3,6-trisulfonic acid trisodium salt (HPTS) based colorimetric and green turn-on fluorescent sensor for the detection of arginine and lysine in aqueous solution
Water soluble HPTS probe is an efficient sensor for Arg and Lys. An effective colorimetric and turn-on fluorescence response. LOD for Arg and Lys are in micromolar range.