%0 Journal Article %T A novel turn-off fluorescent aptasensor for ampicillin detection based on perylenetetracarboxylic acid diimide and gold nanoparticles %A Esmaelpourfarkhani, Masoomeh %A Khalil Abnous %A Seyed Mohammad Taghdisi %A CHamsaz, Mahmod %J Biosensors and Bioelectronics %@ 0956-5663 %D 2020