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Bioprinting a 3D liver-like device to detoxify the blood
Nanoengineers at the University of California, San Diego have developed a 3-D-printed device inspired by the liver to remove dangerous toxins from the blood. The device, which is designed to be used outside the body -- much like dialysis -- uses nanoparticles to trap pore-forming toxins that can damage cellular membranes and are a key factor in illnesses that result from animal bites and stings, and bacterial infections. Their findings were published May 8 in the journal Nature Communications. (2014-05-08)

New generation of high-efficiency solar thermal absorbers developed
Researchers from the Universities of Bristol and Exeter are one step closer to developing a new generation of low-cost, high-efficiency solar cells. The structure is one of the world's first examples of a tri-layer metasurface absorber using a carbon interlayer. (2016-06-15)

Nanoparticles can limit inflammation by distracting the immune system
A surprise finding suggests that an injection of nanoparticles may be able to help fight the immune system when it goes haywire, researchers at the University of Michigan have shown. The nanoparticles divert immune cells that cause inflammation away from an injury site. (2017-11-08)

'Goshen Gold,' late-season apricot debuts
'Goshen Gold' apricot was developed and introduced by the Agricultural Research Service breeding program. 'Goshen Gold' is self-compatible and can set full crops without the presence of other cultivars. Fruit ripen late, post-harvest life has been very good, and fresh eating quality has been favorable in consumer trials. Picked optimally for drying, 'Goshen Gold' produces a bright orange apricot with a low drying ratio and significantly better color retention during storage than 'Patterson.' (2016-05-09)

Nanostarfruits are pure gold for research
Starfruit-shaped gold nanorods synthesized by Rice University researchers could nourish applications that rely on surface-enhanced Raman spectroscopy, such as medical imaging and chemical sensing. (2012-03-27)

Research discovery could revolutionize semiconductor manufacture
A completely new method of manufacturing the smallest structures in electronics could make their manufacture thousands of times quicker, allowing for cheaper semiconductors. The findings have been published in the latest issue of Nature. Instead of starting from a silicon wafer or other substrate, as is usual today, researchers have made it possible for the structures to grow from freely suspended nanoparticles of gold in a flowing gas. (2012-11-28)

'Smart' nanoprobes light up disease
Researchers from Rice University's Center for Biological and Environmental Nanotechnology (CBEN) have developed a (2005-08-01)

Palladium-gold nanoparticles clean TCE a billion times faster than iron filings
In the first side-by-side tests of a half-dozen palladium- and iron-based catalysts for cleaning up the carcinogen TCE, Rice University scientists have found that palladium destroys TCE far faster than iron -- up to a billion times faster in some cases. (2012-06-27)

NRL researchers' golden touch enhances quantum technology
US Naval Research Laboratory scientists discover a new platform for quantum technologies by suspending two-dimensional (2-D) crystals over pores in a slab of gold. (2020-01-29)

Department of Defense funds $1.5 million Pitt study to identify and destroy hazardous chemicals
The DTRA funds academic research to find solutions for effective and affordable threat reduction, concentrating on combating weapons of mass destruction. Pitt and Temple researchers will receive a grant for basic research worth $1.5 million over three years with the potential to be increased to $2.5 million over five years. (2016-07-26)

Researchers show that lipid nanoparticles are ideal for delivering genes and drugs
At the Faculty of Pharmacy of the Basque Public University the Pharmacokinetics, Nanotechnology and Gene Therapy research team is using nanotechnology to develop new formulations that can be applied to drugs and gene therapy. Specifically, they are using nanoparticles to design systems for delivering genes and drugs; this helps to get the genes and drugs to the point of action so that they can produce the desired effect. (2013-02-28)

As good as gold
Pyrite nanoparticles from oceans' hydrothermal vents rich source of iron for bacteria and plant life, University of Delaware researchers find. (2011-05-10)

Weaponizing oxygen to kill infections and disease
The life-threatening bacteria MRSA can cripple a medical facility since it is resistant to treatment. But scientists report that they are now making advances in a new technique that avoids antibiotics, instead using light to activate oxygen, which wipes out bacteria. The method also could be used to treat other microbial infections, and possibly even cancer. The researchers will present their results today at the 256th National Meeting & Exposition of the American Chemical Society. (2018-08-19)

Detecting lethal diseases with rust and sand
The next big thing in medical diagnostics could be minutes particles of rust, iron oxide, coated with the material from which sand is formed, silicon dioxide. These magnetic nanoparticles, a mere 29 to 230 nanometers across, can be used to trap antibodies to the virus that causes cervical cancer and to the bacteria that causes potentially lethal diarrhea. (2011-01-31)

Chemists learn to build curved structures with nanoscale building blocks
The natural world is full of curves and three dimensions, but the ability to deliberately and rationally construct such complex structures using nanoscale building blocks has eluded nanotechnologists. Now a team of Northwestern University chemists report they have discovered ways to construct nanoscale building blocks that assemble into flat or curved structures with a high level of predictability, depending on the architecture and composition of the building blocks. (2004-01-15)

New nanoparticles make solar cells cheaper to manufacture
University of Alberta researchers have found that abundant materials in the Earth's crust can be used to make inexpensive and easily manufactured nanoparticle-based solar cells. (2013-08-29)

Nanoparticle scientist speaks on new discoveries at Goldschmidt Conference
Scientists make discoveries on the thermodynamic properties of transition metal oxides such as insulators and superconductors. (2010-06-16)

Nanoparticles show early promise in reducing inflammation after brain bleed
Nanoparticles from ceria -- a rare earth metal -- might lessen inflammation in the brain following a bleeding stroke (hemorrhagic stroke), according to research presented at the American Stroke Association's International Stroke Conference 2016. (2016-02-17)

Quantum 'kisses 'change the color of space
Researchers from the DIPC and the CFM in Donostia-San Sebastián have observed for the first time with optical methods the quantum regime in the interaction between nano-sized spheres of gold thanks to the change of color of the gap or space between these particles when these are at distances of less than one nanometer. This work, published in Nature journal, enables literally (2012-11-07)

UO-ONAMI researcher gets patent for nanoparticle-based electronic devices
Ultrasmall transistors that operate efficiently at room temperature are among the possible nanoscale electronics and optics that will be possible under a patent issued to the University of Oregon. (2005-03-30)

Surface plasmon resonances of metal nanoparticles in array can have narrower spectral widths
Researchers at the Harvard School of Engineering and Applied Sciences have demonstrated experimentally and theoretically that the surface plasmon resonances of metal nanoparticles in a periodic array can have considerably narrower spectral widths than those of isolated metal nanoparticles. Further, as the optical fields are significantly more intense in a periodic array, the method could improve the sensitivity of detecting molecules at low concentrations. (2008-11-14)

Nano rescues skin
Nanoparticles containing chitosan have been shown to have effective antimicrobial activity against Staphylococcus saprophyticus and Escherichia coli. The materials could be used as a protective wound-healing material to avoid opportunistic infection as well as working to facilitate wound healing. (2012-03-16)

Realistic exposure study supports the use of zinc oxide nanoparticle sunscreens
An important new study provides the first direct evidence that intact zinc oxide nanoparticles neither penetrate the human skin barrier nor cause cellular toxicity after repeated application to human volunteers under in-use conditions. This confirms that the known benefits of using ZnO nanoparticles in sunscreens clearly outweigh the perceived risks, reports the Journal of Investigative Dermatology. (2018-12-04)

Visible light and nanoparticle catalysts produce desirable bioactive molecules
Northwestern University chemists have used visible light and extremely tiny nanoparticles to quickly and simply make molecules that are of the same class as many lead compounds for drug development. Driven by light, the nanoparticle catalysts perform chemical reactions with very specific chemical products -- molecules that don't just have the right chemical formulas but also have specific arrangements of their atoms in space. And the catalyst can be reused for additional chemical reactions. (2019-10-30)

A milestone in nanoparticle research: Nanoparticle test handbook sets the standards
A new handbook has been published under Empa leadership which aims to unify European standards in nanoparticle research. It contains detailed regulations for the manufacture and analysis of specific nanoparticles in the laboratory environment, placing research work in this field on a unified foundation and enabling valid comparisons to be made between studies. The editor, Prof. Harald Krug, is head of Empa's Materials meet Life Department. (2012-05-22)

Gold nanorods assemble themselves into rings
Rice University chemists have discovered that tiny building blocks known as gold nanorods spontaneously assemble themselves into ring-like superstructures. This finding could potentially lead to the development of novel nanodevices like highly sensitive optical sensors, superlenses, and even invisible objects for use in the military. (2007-03-09)

Selective killing of cancer cells by cluttering their waste disposal system
Mixed-charge nanoparticles assemble into crystals and cause the death of thirteen types of cancer lines. (2020-03-16)

Novel thermal ablation system for transdermal drug delivery
The size of protein-based drug molecules prevents their absorption into the body when taken orally making injection (intramuscularly, subcutaneously, intravenously, etc.) the only effective delivery method. Research into transdermal drug delivery systems to make taking these drugs easier and cheaper has lead Japanese researchers to develop a new transdermal thermal abrasion system. It uses near-infrared light to irradiate gold nanorods in a gel skin patch to increase skin permeability for improved drug delivery. (2017-07-26)

Tiny 'Lego brick'-style studs make solar panels a quarter more efficient
Rows of aluminum studs help solar panels extract more energy from sunlight than those with flat surfaces. (2013-10-18)

Analytical and Bioanalytical Chemistry Best Paper Award to Sherrie Elzey and De-Hao Tsai
The Springer journal Analytical and Bioanalytical Chemistry (ABC) has chosen Sherrie Elzey and De-Hao Tsai as the recipients of its Best Paper Award 2013. Elzey and Tsai are lead authors of a paper published in ABC which presents the development of a method to simultaneously characterize the size and elemental composition of nanoparticles, especially those used for nano therapeutics. The award was created by Springer to honor exceptional young scientists and to stimulate their careers. (2014-02-13)

Researchers use nanoparticles to deliver treatment for brain, spinal cord injuries
Purdue University researchers have developed a method of using nanoparticles to deliver treatments to injured brain and spinal cord cells. A team led by Richard Borgens coated silica nanoparticles with a polymer to target and repair injured guinea pig spinal cords. The team then used the coated nanoparticles to deliver both the polymer and hydralazine to cells with secondary damage from a naturally produced toxin. (2008-10-01)

Nanoparticles can grow in cubic shape
Use of nanoparticles in many applications, e.g. for catalysis, relies on the surface area of the particles. Now scientists show how originally spherical nucleus can transform into cube with high surface-to-volume ratio. These nanocubes are available to be used in practice, and may interest many designers of new materials. The research has recently been reported in ACS Nano. (2016-04-04)

Study points to new weapon in fight against lethal fungi
Researchers at Australia's Monash University have gained insights into how nanoparticles could develop a biosensor to prevent deadly diseases contracted on medical equipment, such as catheters. (2019-11-09)

Determining the activity of noble-metal-free catalyst particles
Chemists have developed a new method with which they can characterise individual noble-metal-free nanoparticle catalysts. The particles could be a cheap alternative to precious metal catalysts for obtaining hydrogen from water by means of electrolysis. (2019-10-04)

Nanoparticles loaded with bee venom kill HIV
Nanoparticles carrying a toxin found in bee venom can destroy human immunodeficiency virus (HIV) while leaving surrounding cells unharmed, researchers at Washington University School of Medicine in St. Louis have shown. The finding is an important step toward developing a vaginal gel that may prevent the spread of HIV, the virus that causes AIDS. (2013-03-07)

Clemson scientists shed light on molecules in living cells
Clemson University chemists have developed a method to dramatically improve the longevity of fluorescent nanoparticles that may someday help researchers track the motion of a single molecule as it travels through a living cell. The chemists are exploiting a process called (2007-08-21)

Nanoparticle gel unites oil and water in manufacturing-friendly approach
Oil and water may not mix, but adding the right nanoparticles to the recipe can convert these two immiscible fluids into an exotic gel with uses ranging from batteries to water filters to tint-changing smart windows. A new approach to creating this unusual class of soft materials could carry them out of the laboratory and into the marketplace. (2021-02-10)

McLean Report on nanotechnology that may enhance medication delivery and improve MRI performance
Researchers at Harvard-affiliated McLean Hospital have shown a new category of (2012-05-01)

New drug carrier systems
A UD research team has devised tiny cargo-carrying systems many times smaller than a human hair, made from molecules called peptides that help provide structure for cells and tissues. The team has reported advances in the nanoparticle design that allow them to control the shape of the nanoparticles to allow them to better bind to tissue in the body and stay in a particular location. (2020-10-08)

Researchers find controls to gold nanocatalysis
Researchers at the Georgia Institute of Technology have made a discovery that could allow scientists to exercise more control over the catalytic activity of gold nanoclusters, an important development in the rapidly developing field of nanotechnology. (2006-08-08)

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