Aptamer-Driven Nanoparticles-Coupled Plasmonic Metasurface Biosensing Platform for Ultrasensitive and Quantitative Identification of Heavy Metal Cadmium Ions in Body Fluids
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A cost-effective AuNPs-coupled PM platform for highly sensitive and selective cadmium ion (Cd2+) detection is developed, in which Cd2+-induced conformational switching of aptamers from single-stranded DNA to a stem-loop structure is utilized, preventing AuNPs ... ...
