Current Nanoparticles News and Events | Page 23

Current Nanoparticles News and Events, Nanoparticles News Articles.
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New nanotechnology application for difficult-to-treat cancers
A new treatment combining shock waves with nanoparticles can successfully treat tumors that are difficult to target using conventional chemotherapy. This is the first time this combined therapy has been tested in live animals. The findings of this pre-clinical study, published in the journal Endocrine-Related Cancer, could lead to the development of more effective therapies for treating life-threatening cancers in the future. (2017-05-09)

Ames Laboratory and Iowa State University scientists develop more efficient catalytic material
Scientists at Ames Laboratory and Iowa State University have discovered a method for making smaller, more efficient intermetallic nanoparticles for fuel cell applications, and which also use less of the expensive precious metal platinum. (2017-05-09)

Mayo Clinic researchers develop new tumor-shrinking nanoparticle to fight cancer, prevent recurrence
A Mayo Clinic research team has developed a new type of cancer-fighting nanoparticle aimed at shrinking breast cancer tumors, while also preventing recurrence of the disease. (2017-05-01)

First luminescent molecular system with a lower critical solution temperature
Osaka University researchers developed a luminescent small-molecule system that changes from a solution to a suspension when heated. The solubility change is accompanied by a color change in the photoemission from blue to green. The transition is mediated by oleic acid and methylamine, which aid the reversible reorganization from molecular wires in solution through an intermediate co-crystal and finally into nanoparticles at higher temperatures. This new system could aid the development of new-generation thermo-responsive materials. (2017-05-01)

Metal nanoparticles induced visible-light photocatalysis: Mechanisms, applications, ways of promoting catalytic activity and outlook
Photocatalysis induced by light absorption of metal nanoparticles (NPs) has emerged as a promising strategy for exploiting efficient visible-light-responsive composites for solar-energy conversion. Lequan Liu et al. from the TU-NIMS International Collaboration Laboratory, Tianjin University, reviewed the mechanisms proposed, its application and possible strategies in promoting catalytic activity of metal-induced photocatalysis (MIP). This work, entitled 'Metal nanoparticles induced photocatalysis,' was published in National Science Review. (2017-04-27)

Nanotechnology designed to speed up the hardening of concrete
It has been possible to demonstrate scientifically that tobermorite can be produced at 400 C when above 200 C it had been thought to be impossible. This mineral has been found in concrete buildings dating back to Roman times and could hold the key to their durability. (2017-04-26)

Nanoparticles can travel from lungs to blood, possibly explaining risks to heart
Tiny particles in air pollution have been associated with cardiovascular disease, which can lead to premature death. But how particles inhaled into the lungs can affect blood vessels and the heart has remained a mystery. Now, scientists have found evidence in human and animal studies that inhaled nanoparticles can travel from the lungs into the bloodstream, potentially explaining the link between air pollution and cardiovascular disease. Their results appear in the journal ACS Nano. (2017-04-26)

A novel form of iron for fortification of foods
Whey protein nanofibrils loaded with iron nanoparticles: ETH researchers are developing a new and highly effective way of fortifying iron into food and drinks. (2017-04-25)

Self-assembled nanostructures can be selectively controlled
Plasmonic nanoparticles exhibit properties based on their geometries and relative positions. Researchers have now developed an easy way to manipulate the optical properties of plasmonic nanostructures that strongly depend on their spatial arrangement. 'The challenge is to make the structures change their geometry in a controlled way in response to external stimuli. In this study, structures were programmed to modify their shape by altering the pH,' tells Assistant Professor Anton Kuzyk from Aalto University. (2017-04-24)

Study reveals mystery behind formation of hollowed nanoparticles during metal oxidation
In a newly published Science paper, Argonne and Temple University researchers reveal new knowledge about the behavior of metal nanoparticles when they undergo oxidation, by integrating X-ray imaging and computer modeling and simulation. This knowledge adds to our understanding of fundamental processes like oxidation and corrosion. (2017-04-21)

Making batteries from waste glass bottles
Researchers at the University of California, Riverside's Bourns College of Engineering have used waste glass bottles and a low-cost chemical process to create nanosilicon anodes for high-performance lithium-ion batteries. The batteries will extend the range of electric vehicles and plug-in hybrid electric vehicles, and provide more power with fewer charges to personal electronics like cell phones and laptops. (2017-04-19)

Nanoparticles remain unpredictable
The way that nanoparticles behave in the environment is extremely complex. There is currently a lack of systematic experimental data to help understand them comprehensively, as ETH environmental scientists have shown in a large overview study. A more standardized approach would help to advance the research field. (2017-04-19)

Nanoparticles reprogram immune cells to fight cancer
Study in Nature Nanotechnology describes new method to transform immune cells, while inside the body, into leukemia-fighting powerhouses. (2017-04-17)

Naren Vyavahare receives $1.47 million from NIH for nanoparticle research
One of the top ten killers for men older than 55 is the target of Clemson University research that could lead to a new life-saving therapy and a better way of telling whether surgery is necessary. (2017-04-12)

A simple sniff
A team of engineers from Washington University in St. Louis has combined nanoparticles, aerosol science and locusts in new proof-of-concept research that could someday vastly improve drug delivery to the brain, making it as simple as a sniff. (2017-04-12)

Irish researchers make major breakthrough in smart printed electronics
Researchers in Ireland have fabricated printed transistors consisting entirely of 2-dimensional nanomaterials for the first time. This breakthrough could unlock the potential for applications such as food packaging that displays a digital countdown to warn you of spoiling, wine labels that alert you when your white wine is at its optimum temperature, or even a window pane that shows the day's forecast. (2017-04-06)

Melting snow contains a toxic cocktail of pollutants
With spring finally here and warmer temperatures just around the corner, snow will slowly melt away, releasing us from the clutches of winter. However, that's not the only thing that the melting snow will release. Researchers from McGill University and École de technologie supérieure in Montreal have found that urban snow accumulates a toxic cocktail from car emissions - pollutants that are in turn unleashed into the environment as the weather warms up. (2017-04-04)

How nanoparticles affect flow through porous stuff in surprising ways
Viscous fingering occurs in porous media where fluids of differing viscosity converge in finger-shaped patterns as a result of growing disturbances at the interface. Such instabilities are encountered in a wide variety of fields. Understanding different aspects of this phenomenon, and the variables that can control things like instabilities and velocity distribution dynamics, can potentially offer options to control and utilize these effects more effectively. Researchers report their findings in this week's Physics of Fluids. (2017-04-04)

Nanoparticle treatment could improve immunotherapy against cancer
In preliminary findings that will be presented Sunday, April 2, at the American Association for Cancer Research Annual Meeting 2017, UNC Lineberger researchers report on a preclinical study into the use of nanoparticles to improve the efficacy of immunotherapy drugs known as checkpoint inhibitors. (2017-04-01)

Nanomagnets for future data storage
An international team of researchers led by chemists from ETH Zurich have developed a method for depositing single magnetizable atoms onto a surface. This is especially interesting for the development of new miniature data storage devices. (2017-03-30)

Painting fingernails with silver and gold
Since ancient times, people have used lustrous silver, platinum and gold to make jewelry and other adornments. Researchers have now developed a new way to add the metals to nail polish with minimal additives, resulting in durable, tinted -- and potentially antibacterial -- nail coloring. They report their method in ACS' journal Industrial & Engineering Chemistry Research. (2017-03-29)

Researchers uncover secret of nanomaterial that makes harvesting sunlight easier
Using sunlight to drive chemical reactions, such as artificial photosynthesis, could soon become much more efficient thanks to nanomaterials. (2017-03-28)

Gold standards for nanoparticles
KAUST researchers reveal how small organic 'citrate' ions can stabilize gold nanoparticles, assisting research on the structures' potential. (2017-03-28)

Researcher wins prestigious NSF career award
Joe Feser, assistant professor of mechanical engineering at the University of Delaware, has received a National Science Foundation Faculty Early Career Development Award to explore the physics of thermal energy transport in materials with embedded nanoparticles. The five-year, $500,000 grant will enable research on how to manipulate heat transfer by phonons, using embedded nanoparticles. (2017-03-22)

Chemists created nanoparticles for safe imaging of tumors
Chemists from Russia and Switzerland created biosafe luminescent nanoparticles for imaging tumors and blood vessels damaged by heart attack or stroke. The particles are made of hafnium oxide that is allowed for intravenous injection, and doped with ions of rare earth metals. The scientists hope that the development will give an alternative to toxic quantum dots and help imaging deep tissues without harming a human body. The study appeared in Colloids and Surfaces B: Biointerfaces. (2017-03-21)

Team nebulizes aphids to knock down gene expression
Researchers are nebulizing soybean aphids with RNA to speed the process of discovering the function of many mystery genes. (2017-03-20)

Tethered nanoparticles make tumor cells more vulnerable
MIT researchers have devised a way to make cancer cells more susceptible to certain types of cancer treatment, by coating the cells with nanoparticles before delivering drugs. By tethering hundreds of tiny particles to the surfaces of tumor cells, the researchers made the cells much more vulnerable to attack by a drug called TRAIL that triggers cancer cells to commit suicide. (2017-03-20)

Block copolymer micellization as a protection strategy for DNA origami
Scientists from the Center for Advancing Electronics Dresden/TU Dresden and the University of Tokyo led by Dr. Thorsten-Lars Schmidt developed a method to protect DNA origami structures from decomposition in biological media. This protection enables future applications in nanomedicine or cell biology. (2017-03-16)

Nanocages for gold particles: What is happening inside?
Scientists at Tokyo Institute of Technology have used high-resolution crystallography to uncover the mechanism behind protein-assisted synthesis of gold nanoparticles, providing a platform for designing nanomaterials tailored for biomedical application. (2017-03-16)

Drug combination delivered by nanoparticles may help in melanoma treatment
The first of a new class of medication that delivers a combination of drugs by nanoparticle may keep melanoma from becoming resistant to treatment, according to Penn State College of Medicine researchers. (2017-03-15)

Shaping the future
Iron nanocubes may be key in the future of NO2 sensing. (2017-03-14)

Bonding chips using inkjet printers
A team of researchers at the University of Barcelona have demonstrated a new bonding technique for surface mounted devices that uses an inkjet printer with ink that incorporates silver nanoparticles. The technique, described this week in the Journal of Applied Physics, was developed in response to the industrial necessity for a fast, reliable and simple manufacturing process, and with an eye to reducing the environmental impact of the standard fabrication processes. (2017-03-14)

Researchers develop new method to program nanoparticle organization in polymer thin films
University of Akron researchers have developed an original method -- soft-confinement pattern-induced nanoparticle segregation (SCPINS) -- to fabricate polymer nanocomposite thin films with well-controlled nanoparticle organization on a submicron scale. This new method uniquely controls the organization of any kind of nanoparticles into patterns in those films, which may be useful for applications involving sensors, nanowire circuitry or diffraction gratings, with proper subsequent processing steps like thermal or UV sintering that are likely required. (2017-03-13)

Convenient and easy to use glucose monitoring and maintenance
A research group from the Center for Nanoparticle Research within the Institute for Basic Science has developed a convenient and accurate sweat-based glucose monitoring and maintenance device. (2017-03-12)

Small nanoparticles have surprisingly big effects on polymer nanocomposites
Polymer nanocomposites mix particles billionths of a meter in diameter with polymers, which are long molecular chains. Often used to make injection-molded products, they are common in automobiles, fire retardants, packaging materials, drug-delivery systems, medical devices, coatings, adhesives, sensors, membranes and consumer goods. When a team led by Oak Ridge National Laboratory tried to verify that shrinking the nanoparticle size would adversely affect the mechanical properties of polymer nanocomposites, they got a big surprise. (2017-03-08)

FSU researchers take big step forward in nanotech-based drugs
In an article published today in Scientific Reports, FSU Associate Professor of Biological Science Steven Lenhert takes a step forward in the understanding of nanoparticles and how they can best be used to deliver drugs. (2017-03-08)

Novel 3-D manufacturing leads to highly complex, bio-like materials
Washington State University researchers have developed a unique, 3-D manufacturing method that for the first time rapidly creates and precisely controls a material's architecture from the nanoscale to centimeters -- with results that closely mimic the intricate architecture of natural materials like wood and bone. (2017-03-03)

Most complex nanoparticle crystal ever made by design
The most complex crystal designed and built from nanoparticles has been reported by researchers at Northwestern University and the University of Michigan. The work demonstrates that some of nature's most complicated structures can be deliberately assembled if researchers can control the shapes of the particles and the way they connect using DNA. Potential applications of the cage-like structures, called clathrates, include controlling light, capturing pollutants and delivering therapeutics. New types of lenses, lasers and even Star Trek-like cloaking materials are possible. (2017-03-02)

Groundbreaking technology successfully rewarms large-scale tissues preserved at low temperatures
A research team, led by the University of Minnesota, has discovered a groundbreaking process to successfully rewarm large-scale animal heart valves and blood vessels preserved at very low temperatures. The discovery is a major step forward in saving millions of human lives by increasing the availability of organs and tissues for transplantation through the establishment of tissue and organ banks. (2017-03-01)

Warming up to cryopreservation
Overcoming a major hurdle in transplant medicine, a new study reveals that nanotechnology can be used to rapidly rewarm cryogenically treated samples without damaging delicate frozen tissues, which may someday help make organ cryopreservation a reality. (2017-03-01)

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