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Gold Nanoparticles Current Events, Gold Nanoparticles News Articles.
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Ingredient in Big Macs and sodas can stabilize
The potential of gold nanoparticles to detect and treat cancer has been hindered by the difficulty of making them in a stable, nontoxic form that can be injected into a patient. New research at the University of Missouri-Columbia has found that a plant extract can be used to overcome this problem, creating a new type of gold nanoparticle that is stable and nontoxic and can be administered orally or injected. (2007-02-26)

Setting the gold standard
A team of University of Florida researchers has figured out how gold can be used in crystals grown by light to create nanoparticles, a discovery that has major implications for industry and cancer treatment and could improve the function of pharmaceuticals, medical equipment and solar panels. (2016-07-08)

A 'nano-golf course' to assemble precisely nanoparticules
EPFL researchers have developed a method to place and position hundreds of thousands of nanoparticles very precisely on a one centimeter square surface. This will open new doors in nanotechnologies. (2016-10-03)

MU scientists go green with gold, distribute environmentally friendly nanoparticles
Until recently, scientists couldn't create gold nanoparticles without producing synthetic chemicals that had negative impacts on the environment. A new method, created by a University of Missouri research team, not only eliminates any negative environmental impact, but also has resulted in national and international recognition for the lead scientist. The research was published recently in the journal Small. (2008-09-26)

DNA and quantum dots: All that glitters is not gold
A NIST team has shown that by bringing gold nanoparticles close to the dots and using a DNA template to control the distances, the intensity of a quantum dot's fluorescence can be predictably increased or decreased. This breakthrough opens a potential path to using quantum dots as a component in better photodetectors, chemical sensors, and nanoscale lasers. (2013-01-25)

Solar material for producing clean hydrogen fuel
Osaka University researchers create new material based on gold and black phosphorus to produce clean hydrogen fuel using the full spectrum of sunlight. (2017-06-14)

Carnegie Mellon researchers use NMR to determine whether gold nanoparticles exhibit 'handedness'
Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny particles in drug development. Their approach offers a significant advantage over routine methods for analyzing gold nanoparticles because it can determine whether the nanoparticles exist in a both right-handed and left-handed configuration, a phenomenon called chirality. (2011-12-08)

Carnegie Mellon chemists create tiny gold nanoparticles that reflect nature's patterns
Our world is full of patterns, from the twist of a DNA molecule to the spiral of the Milky Way. New research from Carnegie Mellon chemists has revealed that tiny, synthetic gold nanoparticles exhibit some of nature's most intricate patterns. (2015-04-09)

Intractable pain may find relief in tiny gold rods
Scientists have developed a technique that could lead to therapies for pain relief in people with intractable pain, potentially including cancer-related pain. (2015-08-21)

Tiny gold particles could be the key to developing a treatment for pancreatic cancer
A diagnosis of pancreatic cancer is often a death sentence because chemotherapy and radiation have little impact on the disease. In the US this year, some 53,000 new cases will be diagnosed, and 42,000 patients will die of the disease, according to the National Institutes of Health. But research now being reported in ACS Nano could eventually lead to a new type of treatment based on gold nanoparticles. (2016-10-19)

Hybrid copper-gold nanoparticles convert CO2
Now researchers at MIT have come up with a solution that may further reduce the energy needed for copper to convert carbon dioxide, while also making the metal much more stable. A paper detailing the results will appear in the journal Chemical Communications; The research was funded by the National Science Foundation. (2012-04-11)

Synthetic and biological nanoparticles combined to produce new metamaterials
Scientists from Aalto University, Finland, have succeeded in organizing virus particles, protein cages and nanoparticles into crystalline materials. These nanomaterials are important for applications in sensing, optics, electronics and drug delivery. (2012-12-19)

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine
For the first time, researchers combine nanoparticles used for medical imaging and therapy in one tiny package. (2009-07-27)

MU researchers show potential for new cancer detection and therapy method
University of Missouri School of Medicine scientists explain a potentially new early cancer detection and treatment method using nanoparticles created at MU in an article published today in the Proceedings of the National Academy of Sciences. The article illustrates how engineered gold nanoparticles tied to a cancer-specific receptor could be targeted to tumor cells to treat prostate, breast or lung cancers in humans. (2010-04-22)

Gold nanostars outshine the competition
NIST scientists used surface-enhanced Raman spectroscopy to demonstrate that gold nanostars exhibit optical qualities that make them superior for chemical and biological sensing and imaging. These uniquely shaped nanoparticles may one day be used in a range of applications from disease diagnostics to contraband identification. (2008-10-15)

Branch offices: New family of gold-based nanoparticles could serve as biomedical 'testbed'
Researchers from NIST and the National Cancer Institute's Nanotechnology Characterization Laboratory have demonstrated a sort of gold nanoparticle (2011-06-27)

Gold nanoparticles could treat prostate cancer with fewer side effects than chemotherapy
University of Missouri scientists have found a more efficient way of targeting prostate tumors by using gold nanoparticles and a compound found in tea leaves. This new treatment would require doses that are thousands of times smaller than chemotherapy and do not travel through the body inflicting damage to healthy areas. (2012-07-16)

Virginia Tech, CytImmune Sciences create therapy that curbs toxic chemotherapy effects
Virginia Tech scientists have developed a new cancer drug that uses gold nanoparticles created by the biotech firm CytImmune Sciences to deliver paclitaxel -- a commonly used chemotherapy drug directly to a tumor. (2016-11-14)

Gold nanoparticles show potential for noninvasive cancer treatment
Researchers from the University of California, San Francisco and Georgia Institute of Technology have found a new way to kill cancer cells. Building on their previous work that used gold nanoparticles to detect cancer, they now are heating the particles and using them as agents to destroy malignant cells. (2005-10-07)

BC scientists coax gold particles to emit light strong enough to view single nanoparticles
Boston College scientists have demonstrated that gold particles comparable in size to a molecule can be induced to emit light so strongly that it is possible to observe a single nanoparticle. Unlike fluorescent molecules commonly used in multiphoton imaging, the gold particles do not blink or burn out, even after hours of observation, can be prepared easily, have low toxicity and can readily be attached to molecules of biological interest. (2005-05-23)

Medicines made of solid gold to help the immune system
By testing a variety of gold nanoparticles, researchers (UNIGE and Swansea) are providing first evidence of their impact upon human B lymphocytes -- the immune cells responsible for antibody production. The use of these nanoparticles is expected to improve the efficacy of pharmaceutical products while limiting potential adverse effects. These results will lead to the development of more targeted and better tolerated therapies, particularly in the field of oncology. (2019-06-28)

Researchers figure out why gold nanoparticles can penetrate cell walls
Gold nanoparticles with special coatings can deliver drugs or biosensors to a cell's interior without damaging it. (2013-08-22)

A 'printing press' for nanoparticles
Gold nanoparticles have unusual properties, which scientists are seeking to put to use in a range of technologies. Some of the most interesting properties emerge when nanoparticles are brought close together. But a major challenge has been finding ways to assemble these bits of gold while controlling the three-dimensional shape of their arrangement. In results reported in Nature Chemistry, researchers from McGill University outline a new technique. (2016-01-07)

Sharks with frickin' lasers: Gold nanoparticles fry cancer on glowing mice
A University of Colorado Cancer Center study takes a new approach to killing cancer: Why not fry it into oblivion with vibrating gold nanoparticles? Results are published online ahead of print in the journal Bladder Cancer. (2017-08-30)

Tiny particles may pose threat to liver cells, say scientists
Researchers at the University of Edinburgh are to study the effects of nanoparticles on the liver. In a UK first, the scientists will assess whether nanoparticles -already found in pollution from traffic exhaust, but also used in making household goods such as paint, sunblock, food, cosmetics and clothes- can cause damage to the cells of the liver. (2006-04-04)

Gold, copper nanoparticles take center stage in the search for hydrogen production catalysts
X-ray studies at the US Department of Energy's Brookhaven National Laboratory are pointing the way to less costly and more efficient catalysts for improving the performance of fuel cells. The studies, which will be presented by Brookhaven chemist Jose Rodriguez at the 233rd National Meeting of the American Chemical Society, show that copper can be substituted for gold in reactions that keep fuel cells functioning longer while eliminating unwanted byproducts. (2007-03-28)

Peptide induces chirality evolution in a single gold nanoparticle
Seoul National University has created a synthesis method to make optically active and chiral gold nanoparticles using amino acids and peptides for the first time. Many chemicals significant to life have mirror-imaged twins and such characteristics are conventionally called as chirality. This study describes how the chirality, typically observed in organic molecules, can be extended to three-dimensional metallic nanostructures. The research will be published in Nature and featured in its cover. (2018-04-18)

Scientists have created new nanocomposite from gold and titanium oxide
ITMO University researchers together with their colleagues from France and the USA have demonstrated how a femtosecond laser can be used to tune the structure and nanocomposite properties for titanium dioxide films filled with gold nanoparticles. (2020-05-08)

Gold nanoparticles to find applications in hydrogen economy
The international team of scientist of Peter the Great St. Petersburg Polytechnic University (SPbPU), Leibniz University Hannover (Leibniz Universit├Ąt Hannover) and the Ioffe Institute found a way to improve nanocomposite material which opens new opportunities to use it in hydrogen economy and other industries. The study is dedicated to the composite material, a semiconductor based on titanium dioxide. Its applications are widely studied by the researchers all over the world. (2018-07-17)

The perfect nanocube: Precise control of size, shape and composition
Researchers at NIST have developed a simple process for producing near-perfect nanocrystals that will enable studies of physical and chemical properties that affect how nanoparticles interact with the world around them. (2010-09-01)

MSU scientists discovered a new way for sensing the levels of an important amino acid
A team from the Faculty of Chemistry of MSU together with its colleagues suggested a new method for determining the levels of cysteine -- a substance used in many chemical drugs -- with the help of gold nanoparticles. Unlike current methods, this one does not require complex reactions or expensive equipment. An article with the results of the study was published in Sensors and Actuators B journal. (2018-02-15)

Researcher pursues new applications for 'hot' electrons
Three years after his discovery of porous gold nanoparticles -- gold nanoparticles that offer a larger surface area because of their porous nature -- a University of Houston researcher is continuing to explore the science and potential applications. (2016-07-01)

MU researchers go nano, natural and green
In 2002, U.S. farmers harvested 2.7 billion bushels of soybeans. Last year in Missouri, farmers harvested 194 million bushels of soybeans worth about $1.2 billion. Now, a team of researchers at the University of Missouri-Columbia is turning those soybeans into gold, with nothing more than a little water. (2007-10-31)

A novel way of creating gold nanoparticles in water
The discovery that water microdroplets can replace potentially toxic agents in the creation of gold nanoparticles and nanowires could help usher in a new era of 'green chemistry.' (2018-04-19)

Dead on target
Researchers at the University of Michigan have devised dendrimer nanoparticle systems which are able to seek out and specifically bind to cancer cells. (2007-06-22)

All that is gold is not biochemically stable
Environmental nanoparticle researchers discover that gold isn't always the shining example of a biologically stable material that it's assumed to be. In a nanoparticle form, the normally very stable, inert, noble metal actually gets dismantled by a microbe found on a Brazilian aquatic weed. (2018-08-28)

Virginia Tech Carilion scientists image nanoparticles in action
Scientists at the Virginia Tech Carilion Research Institute invented a technique for imaging nanoparticle dynamics with atomic resolution as these dynamics occur in a liquid environment. The results will allow, for the first time, the imaging of nanoscale processes, such as the engulfment of nanoparticles into cells. (2013-04-25)

NIST reference materials are 'gold standard' for bio-nanotech research
The National Institute of Standards and Technology has issued its first reference standards for nanoscale particles targeted for the biomedical research community -- literally (2008-01-09)

Road to greener chemistry paved with nano-gold, researchers report
Breakthrough could (2005-10-24)

Gold nanoparticles prove to be hot stuff
Gold nanoparticles are highly efficient and sensitive (2006-08-31)

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