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Quantum Dot-Dopamine Study

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In Washington, scientists at the Naval Research Laboratory (NRL), in conjunction with the Scripps Research Institute in La Jolla, Calif., have reported a detailed study of the interactions of water-soluble semiconductor quantum dots and the electroactive neurotransmitter dopamine. The biocompatible nanoassemblies could be used as active components in sensors that detect a variety of target analytes, including sugar and peroxide. The research was supported by NRL’s Nanoscience Institute and the Defense Threat Reduction Agency.
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Published: December 2010
Glossary
nano
An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
quantum dots
A quantum dot is a nanoscale semiconductor structure, typically composed of materials like cadmium selenide or indium arsenide, that exhibits unique quantum mechanical properties. These properties arise from the confinement of electrons within the dot, leading to discrete energy levels, or "quantization" of energy, similar to the behavior of individual atoms or molecules. Quantum dots have a size on the order of a few nanometers and can emit or absorb photons (light) with precise wavelengths,...
biocompatible nanoassembliesBusinessdefenseDefense Threat Reduction Agencyelectroactive neurotransmitter dopaminelight speednanoNanoscience InstituteNaval Research LaboratoryNRLquantum dotsScripps Research InstituteSensors & Detectorstarget analysiswater-soluble semiconductor quantum dots

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