Quantum Dots News and Research

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A quantum dot is a semiconductor whose excitons are confined in all three spatial dimensions. As a result, they have properties that are between those of bulk semiconductors and those of discrete molecules.

Researchers develop non-infectious nanoparticle probes to study SARS-CoV-2

Scientists and researchers at the U.S. Naval Research Laboratory and National Center for Advancing Translational Sciences, submitted their findings to ACS Nano, a monthly peer-reviewed scientific journal, on their collaboration to develop SARS-CoV-2 nanoparticle probes that are used to study fundamental interactions between SARS-CoV-2 Spike proteins and human cells.

18 Sep 2020

Groundbreaking technology could enhance therapeutic efficiency of nanomedicines

Researchers from the Moscow Institute of Physics and Technology and their colleagues from Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry and Prokhorov General Physics Institute of the Russian Academy of Sciences have developed a breakthrough technology to resolve a key problem that has prevented the introduction of novel drugs into clinical practice for decades.

17 Jul 2020

Oxidized charcoal nanoparticles can help treat COVID-19 patients

Artificial enzymes made of treated charcoal could have the power to curtail damaging levels of superoxides, radical oxygen ions that are toxic at high concentrations.

2 Jul 2020

UTEP researchers unlock potential of carbon quantum dots to combat neurological disorders

The contributions of researchers from The University of Texas at El Paso (UTEP) have yielded the first indication that carbon quantum dots, a class of nanoparticles, can be utilized to combat neurological disorders, according to a paper published in the journal Processes as part its special issue on protein biosynthesis and drug design and delivery.

5 Jun 2020

Breakthrough in artificial biomimetic sight

In a new study published in February 2020 in the journal Science Advances, researchers report the development of a nanoscale device that acts like the brain's visual cortex to directly see things in its path. The scientists created a new superstructure through the use of two nanomaterials in tandem that could help to make a machine that uses AI to simulate a human mind's function.

16 Feb 2020

New optical nanoparticle sensor can detect very low glucose concentrations

The Optical Research Group of the Universitat Jaume I has developed an optical nanoparticle sensor capable of detecting very low glucose concentrations, such as those present in a person's tear, by means of fluorescent carbon quantum dots, applying synthesis of nanomaterials based on irradiation with ultra-short lasers, which is an alternative, sustainable and non-polluting method.

13 Sep 2019

Researchers study biological risk potential of nanoparticles

Nanoparticles are smaller than five nanometres - a nanometre being one millionth of a millimetre - which corresponds approximately to the size of macromolecules. Such tiny particles are very easily absorbed in body cells.

27 Aug 2019

New technology platform digitally counts growth factors in single cells

Whether healthy or diseased, human cells exhibit behaviors and processes that are largely dictated by growth factor molecules, which bind to receptors on the cells. For example, growth factors tell the cells to divide, move, and when to die--a process known as apoptosis.

23 Feb 2019

Reviewing applications of advanced materials in drug delivery and biomedicine

The Graphene family of materials has emerged as one of the most useful new age nano-biomaterials. Graphene-based materials exhibit excellent physicochemical properties, such as high electrical conductivity, mechanical strength, and high surface area with π-conjugated carbon atoms stacked to form honeycomb structure, suitable for binding other molecules.

11 Jan 2019

Using Pre-Clinical Imaging to Detect Cancer

In this interview, Émilie Beaulieu Ouellet, Application Scientist for life science imaging at Photon Etc talks to New-Medical about their range of preclinical infrared imagers and how they can allow cancer detection.

From Photon etc. 27 Nov 2018

Quantum dot-based FISH method enhances cell imaging

A team of researchers from the University of Illinois at Urbana-Champaign and Mayo Clinic have engineered a new type of molecular probe that can measure and count RNA in cells and tissue without organic dyes.

30 Oct 2018

Rice University chemist wins big award to study small surfaces

It's one thing to start a chemical reaction and get a result, but it's quite another thing to watch it in progress. Rice University chemist Matt Jones wants to see it happen.

16 Oct 2018

Fluorescent dye could allow doctors to obtain better images of blood vessels, tissues

Fluorescence imaging is widely used for visualizing biological tissues such as the back of the eye, where signs of macular degeneration can be detected. It is also commonly used to image blood vessels during reconstructive surgery, allowing surgeons to make sure the vessels are properly connected.

9 Apr 2018

Scientists develop rapid test for early diagnosis of heart attack and to identify sepsis

NUST MISIS scientists have developed a new type of membrane test strip for the quantitative immunochromatographic rapid-test that will be able to accurately and quickly make an early diagnosis of an acute myocardial infarction through the presence of disease markers in blood, as well as to identify various things such as sepsis, a pregnancy's duration, and viral & bacterial infections.

29 Jan 2018

Light-activated nanoparticles can provide crucial boost in effectiveness for antibiotics

Light-activated nanoparticles, also known as quantum dots, can provide a crucial boost in effectiveness for antibiotic treatments used to combat drug-resistant superbugs such as E. coli and Salmonella, new University of Colorado Boulder research shows.

4 Oct 2017

Researchers develop proof-of-concept nanosystem to enhance visualization of tumors

Researchers at Sanford Burnham Prebys Medical Discovery Institute have developed a proof-of-concept nanosystem that dramatically improves the visualization of tumors.

24 Aug 2017

Researchers develop all-silicon nanoantenna to trap individual quantum dots

Quantum dots (QDs) have found so many applications in recent years, they can now be purchased with a variety of composite structures and configurations. Some are available suspended in a biologically friendly fluid, making them well poised to serve as biomarkers for single-molecule tagging and tracking.

23 Aug 2017

Preclinical research using 1 Tesla desktop MRI

An interview with Dr. Ichio Aoki, National Institutes for Quantum and Radiological Science and Technology.

From Bruker BioSpin - NMR, EPR and Imaging 17 Aug 2017

Quantum dots may someday provide relief for eye infections

Quantum dots are transforming electronic displays on TVs and tablets. But now, one group reports in ACS Nano that these tiny structures may someday provide relief for eye infections resulting from contact lens wear, trauma or some types of surgeries.

5 Jul 2017

Researchers use quantum dots to decipher design features for new therapies aimed at MS

Researchers in the University of Maryland Fischell Department of Bioengineering (BIOE) Jewell Laboratory are using quantum dots - tiny semiconductor particles commonly used in nanotechnology - to decipher the features needed to design specific and effective therapies for multiple sclerosis (MS) and other autoimmune diseases.

14 Jun 2017