quantum dots


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quantum dots

Highly fluorescent nanoparticles that show promise in the field of cellular imaging. Dots with monoclonal antibodies attached have been produced which can target and image cancerous cells in living animals.
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As a type of semiconductor, quantum dots exhibit a photoluminescence which is particularly useful for improving colors in LCD.
It's a smartphone attached to a lab-on-a-chip, which uses quantum dots to detect viruses such as HIV or hepatitis lurking in a person's blood.
To investigate the biocompatibility of their silica-coated quantum dots, the researchers ran in vivo experiments to compare the in vivo behaviour of the new particles with that of commercial quantum dots bearing a carboxylate outer ligand coating, but having similar size and luminescence characteristics.
A major cause of information loss in a popular class of semiconductors called 3/5 materials is the interaction of the electron (the quantum bit) with the nuclei of the atoms in the quantum dot holding the electron.
In the June Nano Letters, the Los Alamos team reports fabricating an LED from quantum dots of two sizes.
As we continue to develop new products for solid state lighting and displays based on quantum dot technology, we are building one of the strongest patent portfolios in the industry," said Dan Button, QD Vision President and CEO.
Nanoco and UCL started a research program in 2011 to use its quantum dots to help guide surgeons in removing cancerous tissue.
However, after extensive research, Professor Patanjali Kambhampati and colleagues at McGill University's Department of Chemistry determined that colloidal quantum dots do indeed amplify light as promised.
By varying the size of the quantum dots, the researchers tuned the particles to absorb different parts of the infrared spectrum.
By precisely controlling the dots' size and manipulating surface properties, scientists might be able to determine the emitted colors as they can with quantum dots, he says.
The Nano-Bioanalysis Team has carried out study on the preparation of fluorescent semiconductor quantum dots such as CdSe, and developed techniques for the labeling of biomolecules and visualization of bio-cells using the quantum dots since 2002, when the former Single-Molecule Bio-Analysis Laboratory was established.

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