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Saturday, September 09, 2006 | Quantum dots | 0 comments
Quantum Dots Probe Cell Death
Aiming to help researchers get a better handle on how – and if – anticancer agents are triggering cell death, investigators at the University of Twente in The Netherlands have developed a quantum dot nanodevice that can detect and image apoptosis, also known as programmed cell death.

Sunday, September 03, 2006 | Quantum dots | 0 comments
Enzyme Modulates Quantum Dot Uptake By Cells
Brightly fluorescent quantum dots are proving to be powerful tools for tracking the motion of cells and molecules, but their usefulness has been limited by the difficulty in getting these nanoscale beacons inside cells in a directed, controlled manner.

Sunday, September 03, 2006 | Quantum dots | 0 comments
Quantum Dots Enable Rapid Tumor Typing Using Clinical Tissue Samples
Obtaining accurate results from gene expression arrays requires using fresh-frozen tissue samples, which is not practical for routine clinical analysis. A new method that uses multiple quantum dot imaging, developed by an international team of investigators, appears to solve this practical problem.

Sunday, July 23, 2006 | Quantum dots | 0 comments
Self-Illuminating Quantum Dots for In Vivo Imaging
Quantum dots have already proven themselves as powerful imaging probes that can enable researchers to track disease-related molecules inside cells and even within the body

Sunday, July 23, 2006 | Quantum dots | 0 comments
Quantum Dots Pose Minimal Impact to Cells
Nano-sized fluorescent probes that can slip inside living cells and elucidate life’s most fundamental processes, or track the effectiveness of cancer-fighting drugs, are barely noticed by the cells they enter, according to a team of researchers led by the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab).

Sunday, July 23, 2006 | Quantum dots | 0 comments
Connect the Quantum Dots
Pioneering invention has commercial applications in medical diagnostics

Sunday, July 16, 2006 | Quantum dots | 0 comments
Quantum Dot-Peptide Conjugates Image Intracellular Reactions
Using a synthetic peptide modeled after the protein that the human immunodeficiency virus (HIV) uses to enter cells, a multi-institutional research team has created quantum dots that can penetrate the cell membrane and image internal structures in a cell.

Saturday, May 27, 2006 | Quantum dots | 0 comments
Quantum Dots Studied as Intracellular Monitors, Possible Therapeutic Agents
One of the unique features of nanoscale materials is that they are often of the same size as most biomolecules, and thus can be used to study intracellular biochemistry without themselves having much of an impact on normal cellular function.

Thursday, May 25, 2006 | Quantum dots | 0 comments
Carbon-based quantum dots could mean “greener,” safer technology in medicine and biology
Nano-sized "carbon dots" glow brightly when exposed to light and show promise for a broad range of applications, including improved biological sensors, medical imaging devices and tiny light-emitting diodes (LEDs), the researchers say.

Tuesday, May 02, 2006 | Quantum dots | 0 comments
Targeted Quantum Dots Image Tumor Blood Supply
Using polymer-coated cadmium telluride/zinc sulfide (CdTe/ZnS) quantum dots targeted to a molecule found on newly growing blood vessels, a team at the Stanford University Center of Cancer Nanotechnology Excellence (CCNE) has shown for the first time that quantum dots can image a tumor’s blood supply.

Sunday, April 30, 2006 | Quantum dots | 0 comments
High-Throughput Gene Expression Yields Insights on Quantum Dot Effects
Quantum dots have rapidly become a widely used tool for tracking how cells interact with a wide variety of biomolecules and drugs, but potential toxicities have raised concern that these nanoscale luminescent markers could themselves be triggering cellular activity that might confound experiment results.

Wednesday, April 26, 2006 | Quantum dots | 0 comments
Do-It-Yourself Quantum Dots
Citing a need for an inexpensive method to synthesize quantum dots, researchers at Indiana University-Purdue University in Indianapolis have developed a way to make these highly fluorescent semiconductor nanoparticles that virtually any laboratory can duplicate to create its own quantum dots.

Sunday, April 09, 2006 | Quantum dots | 0 comments
Encapsulated Polymer Nanoparticles Shine Brightly
In just a few short years, semiconductor quantum dots have become a mainstay of cancer researchers.

Sunday, April 02, 2006 | Quantum dots | 0 comments
Quantum Dot Method Rapidly Identifies Bacteria
A rapid method for detecting and identifying very small numbers of diverse bacteria, from anthrax to E. coli, has been developed by scientists from the National Cancer Institute (NCI) and National Institute of Standards and Technology (NIST).

Sunday, March 12, 2006 | Quantum dots | 0 comments
Self-Illuminating Quantum Dots Eliminate Need for Light Source in Imaging
An important limitation in the use of quantum dots for in vivo imaging applications has been the need to shine a light directly on them in order to detect where they have gone in the body.

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