Development of a fluorescent sensor for an illicit date rape drug GBLElectronic supplementary information (ESI) available: Detailed synthetic and screening procedures, characterization data, additional spectroscopic information and details of beverages. See DOI: 10.1039/c3cc43153c

The first fluorescent sensor for an illicit date rape drug, GBL, was developed and named Green Date . It shows high fluorescence enhancement to GBL and allows its detection in different drinks. The mechanism between GBL and Green Date was explored. This discovery may help to prevent the drug-facilitated sexual assault problems. The first fluorescent sensor for a date rape drug, GBL, was developed, which may help to prevent the drug-facilitated sexual assault problems.