embodiments disclosed enable the detection of the presence of chemical , biological , and / or explosive substance or other items of interest on individuals handling tickets , fobs , passes , smartcards , or other media . embodiments generally contemplate issuing media at a first location and analyzing the media at a second location . material sensitive to cbe substance can be applied to the media at the first and / or second location . an adhesive also may be used to attract and / or retain particles to the media for analysis and / or adhere the detection material to the media . such embodiments can be utilized in airports , transit stations , and other applications where security against threats posed by cbe substance may be a concern .