Liu, Liang Liang, Grillo, Fabiana, Canfarotta, Francesco, Whitcombe, Michael, Morgan, Stephen P., Piletsky, Sergey, Correia, Ricardo, He, Chen Yang, Norris, Andrew, Korposh, Serhiy, "Carboxyl-fentanyl detection using optical fibre grating-based sensors functionalised with molecularly imprinted nanoparticles", Biosensors and Bioelectronics, 2021