Rhodamine B functionalized silver nanoparticles paper discs as turn-on fluorescence sensor, coupled with a smartphone for the detection of microbial contamination in drinking water. - Sami, Amtul Jamil; Bilal, Sehrish; Ahsan, Noor-ul-Ain; Hameed, Nayyab; Saleem, Shaifa (Environmental Monitoring & Assessment, 2023)