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News articles about "Nanoparticles"

Filmmaking magic with polymers

Polymers, Polymers, Polymers, polymers
Think about windows coated with transparent film that absorbs harmful ultraviolet sunrays and uses them to generate electricity Consider a water filtration membrane that blocks viruses and other microorganisms from water or an electric car ... - 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

Nanofiber sensor detects diabetes or lung cancer faster and easier

cancer
Today's technological innovation enables smartphone users to diagnose serious diseases such as diabetes or lung cancer quickly and effectively by simply breathing into a small gadget a nanofiber breathing sensor mounted on the phones Il ... - 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

Metal-free catalyst outperforms platinum in fuel cell

Researchers from South Korea Case Western Reserve University and University of North Texas have discovered an inexpensive and easily produced catalyst that performs better than platinum in oxygen reduction reactions The finding detailed in Nature's ... - 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

Charge your mobile phone with formic acid?

Acid
Surprisingly the answer is yes With the technology of today it is possible to use environmental friendly formic acid in fuel cell powering your mobile phone or laptop Physicist Florian Nitze Umeå University in Sweden ... - 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

Crystal-clear method for distinguishing between glass and fluids

Glass, Crystal
Many solids are produced from melting Depending on how quickly they cool off invariably internal tensile stresses begin to build up One example are Prince Rupert's Drops or Dutch tears you can hit their thick ... - 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

New method for tailoring optical processors

Optical, Optical
Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different color The breakthrough ... - Read More

Scientists uncover how grapefruits provide a secret weapon in medical drug delivery

Medical, Drug delivery
Lipids right panel first three tubes derived from grapefruit GNVs can efficiently deliver a variety of therapeutic agents including DNA RNA DIR GNVs proteins and anti cancer drugs GNVs Drugs as demonstrated in this study ... - Read More

Single-cell transfection tool enables added control for biological studies

Northwestern University researchers have developed a new method for delivering molecules into single targeted cells through temporary holes in the cell surface The technique could find applications in drug delivery cell therapy and related biological ... - 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
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