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News articles about "Nanoparticle"

New iron catalyst promises green future for hydrogenation

Hydrogenation, Catalyst, Green
A new iron nanoparticle catalyst developed by researchers in Japan and Canada promises to drastically improve the efficiency of hydrogenation a key chemical process used in a wide array of industrial applications Cleaner safer and ... - Read More

Nanoparticle opens the door to clean-energy alternatives

Nanoparticle, Nanoparticle
Cheaper clean energy technologies could be made possible thanks to a new discovery Led by Raymond Schaak a professor of chemistry at Penn State University research team members have found that an important chemical reaction ... - Read More

Light-carved 'nano-volcanoes' hold promise for drug delivery

Drug delivery, Nano
Researchers from North Carolina State University have developed a method for creating nano volcanoes by shining various colors of light through a nanoscale crystal ball made of a synthetic polymer These nano volcanoes can store ... - Read More

Exposure to air transforms gold alloys into catalytic nanostructures

Alloys, Nanostructures
Gold bars may signify great wealth but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter Unfortunately unlocking gold's potential often requires complex synthesis techniques that ... - Read More

Polymer nanoreactors create uniform nanocrystals

nanocrystals, Polymer
Using star shaped block co polymer structures as tiny reaction vessels researchers have developed an improved technique for producing nanocrystals with consistent sizes compositions and architectures including metallic ferroelectric magnetic semiconductor and luminescent nanocrystals The ... - Read More

Shape of nanoparticles points the way toward more targeted drugs

Conventional treatments for diseases such as cancer can carry harmful side effects and the primary reason is that such treatments are not targeted specifically to the cells of the body where they're needed What if ... - Read More

Specifically sized gold nanoparticle spheres increase the sensitivity of a light-based chemical detector

A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity thanks to a carpet of gold nanoparticles Xia Yu of the A*STAR Singapore Institute of Manufacturing Technology along ... - Read More

New microfluidic method expands toolbox for nanoparticle manipulation

Researchers at the University of Illinois at Urbana Champaign have developed a new flow based method for manipulating and confining single particles in free solution a process that will help address current challenges faced by ... - Read More

Scientists create novel silicon electrodes that improve lithium-ion batteries

Lithium, Lithium-ion, Lithium-ion batteries, Silicon
Stanford University scientists have dramatically improved the performance of lithium ion batteries by creating novel electrodes made of silicon and conducting polymer hydrogel a spongy material similar to that used in contact lenses and other ... - Read More

Detecting disease with a smartphone accessory

System, System
As antiretroviral drugs that treat HIV have become more commonplace the incidence of Kaposi's sarcoma a type of cancer linked to AIDS has decreased in the United States The disease however remains prevalent in sub ... - Read More

Shape-shifting nanoparticles flip from sphere to net in response to tumor signal

tumor
Scientists at the University of California San Diego have designed tiny spherical particles to float easily through the bloodstream after injection then assemble into a durable scaffold within diseased tissue An enzyme produced by a ... - Read More

Engineers devise new way to produce clean hydrogen

Hydrogen, Hydrogen, Hydrogen, Hydrogen, hydrogen
Duke University engineers have developed a novel method for producing clean hydrogen which could prove essential to weaning society off of fossil fuels and their environmental implications While hydrogen is ubiquitous in the environment producing ... - Read More

New method for producing clean hydrogen

Duke University engineers have developed a novel method for producing clean hydrogen which could prove essential to weaning society off of fossil fuels and their environmental implications While hydrogen is ubiquitous in the environment producing ... - Read More

How gold nanoparticles can help fight ovarian cancer

Positively charged gold nanoparticles are usually toxic to cells but cancer cells somehow manage to avoid nanoparticle toxicity Mayo Clinic researchers found out why and determined how to make the nanoparticles effective against ovarian cancer ... - Read More

DNA-guided assembly yields novel ribbon-like nanostructures

Nanostructures
Scientists at the U S Department of Energy's Brookhaven National Laboratory have discovered that DNA linker strands coax nano sized rods to line up in way unlike any other spontaneous arrangement of rod shaped objects ... - Read More

Chemists demonstrate nanoscale alloys so bright they could have potential medical applications

Medical, Applications, Alloys
Alloys like bronze and steel have been transformational for centuries yielding top of the line machines necessary for industry As scientists move toward nanotechnology however the focus has shifted toward creating alloys at the nanometer ... - Read More

Obtaining polymers with à la carte optical and electrical properties

Properties
By adding semiconducting nanoparticles to polymers the Materials + Technologies Research Group GMT of the Polytechnical College of San Sebastian of the UPV EHU University of the Basque Country has created nanostructured composite materials with ... - Read More

Shaking things up: Researchers propose new old way to purify carbon nanotubes

Carbon nanotubes
An old somewhat passé trick used to purify protein samples based on their affinity for water has found new fans at the National Institute of Standards and Technology NIST where materials scientists are using it ... - Read More

Scientists control chirality in carbon nanotubes

Carbon nanotubes, Chirality
An ultimate goal in the field of carbon nanotube research is to synthesise single walled carbon nanotubes SWNTs with controlled chiralities Twenty years after the discovery of SWNTs scientists from Aalto University in Finland A ... - Read More

Bold move forward in molecular analyses

Molecular, molecular
A dramatic leap forward in the ability of scientists to study the structural states of macromolecules such as proteins and nanoparticles in solution has been achieved by a pair of researchers with the U S ... - Read More
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