Other types of nanosensors, including quantum dots and gold nanoparticles, are currently being developed to detect pollutants and toxins in the environment. These take advantage of the localized surface plasmon resonance (LSPR) that arises at the nanoscale, which results in wavelength specific absorption.The Journal provides the best information by accepting original research, review, clinical case reports. Quantum nanosensors
are based on intrinsic resonances of metallic nanoparticles and semiconductor
quantum dots. In this report, we propose ultra-sensitive sensors
based on fundamentally different concepts and principles. In these sensors
the rules of quantum mechanics are used to detect ultra-small variations of the refractive index of the environment. These quantum nanosensors
are based on hybrid systems consisting of metallic nanoparticles and quantum dots. Interaction of these systems with a laser field generates quantum coherence and coherent exciton-plasmon coupling.
Nanosensors to control food safety and quality have been developed recently or are still under development. Among others, nanoparticle-based sensors, array-based sensors, nanocantilevers, nano-test-strips, nanoparticles in solution, electronic noses, and electronic tongues could serve as nanosensors
to detect food-borne pathogens, spoilage microorganisms, toxins, allergens, contaminants, and chemicals in foods [174–179]. The advantage of a nanosensor is the possibility to develop a portable device and to measure in real time with high sensitivity.
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