J. Abolhasani, J. Hassanzadeh, and E. S. Jalali, “Ultrasensitive determination of lead and chromium contamination in well and dam water based on fluorescence quenching of CdS quantum dots”, Int. Nano Lett., vol. 4, no. 4 (December 2014), Oct. 2014, doi: 10.1007/s40089-014-0120-9.