Current Gold Nanoparticles News and Events

Current Gold Nanoparticles News and Events, Gold Nanoparticles News Articles.
Sort By: Most Relevant | Most Viewed
Page 1 of 25 | 1000 Results
Silver and gold nanowires open the way to better electrochromic devices
A Canadian team from the Institut national de la recherche scientifique (INRS) developed a new approach for foldable and solid devices. (2021-02-22)

Dynamics of nanoparticles using a new isolated lymphatic vessel lumen perfusion system
Nanoparticles introduced into the body enter the lymphatic vessels. A research group led by Shinshu University Graduate School of Medicine has developed a new isolated lymphatic vessel lumen perfusion system that can move carbon nanotubes and other nanoparticles into surgically removed lymphatic vessels. The group succeeded in developing a novel experimental system to evaluate how nanoparticles move in lymphatic vessels and how they affect the physiological movement of lymphatic vessels. (2021-02-19)

An mRNA vaccine for cancer immunotherapy
Messenger RNA (mRNA) vaccines to prevent COVID-19 have made headlines around the world recently, but scientists have also been working on mRNA vaccines to treat or prevent other diseases, including some forms of cancer. Now, researchers reporting in ACS' Nano Letters have developed a hydrogel that, when injected into mice with melanoma, slowly released RNA nanovaccines that shrank tumors and kept them from metastasizing. (2021-02-17)

Hydrogen peroxide, universal oxidizing agent, high-efficiency production by simple process
The Korea Institute of Science and Technology(KIST) announced that a joint research team developed a platinum-gold alloy catalyst for hydrogen peroxide production based on a computer simulation. Hydrogen peroxide selectivity can be increased to 95% by using this catalyst, compared with only 30-40% for a palladium catalyst, which indicates that mostly hydrogen peroxide on the developed Pt-Au catalyst can be produced with a small amount of water. (2021-02-16)

Researchers measure temperature effect of plasmon in chemical reactions using organic "sensors"
The researchers of TPU together with their colleagues from Russian and foreign scientific centers have found a way to estimate the temperature of a chemical reaction activated by pseudo-particles - plasmons. Two organic molecules served as ultra-small sensors or thermometers. (2021-02-15)

Detecting single molecules and diagnosing diseases with a smartphone
Ludwig-Maximilians-Universitaet (LMU) in Munich researchers show that the light emitted by a single molecule can be detected with a low-cost optical setup. Their prototype could facilitate medical diagnostics. (2021-02-12)

A new strategy to destroy cancer cells using magnetic nanoparticles and fields
The scientists analyzed how magnetic nanoparticles can be manipulated in in vitro conditions to achieve a selective antitumor effect. The method is based on the combined action of nanoparticles and permanent magnetic fields on human tumor cells. (2021-02-11)

Cell-selective nanotherapy prevents post-angioplasty restenosis, promotes artery healing
A micro-RNA nanotherapy specifically inhibits the growth of cardiovascular smooth muscle cells and infiltrating inflammatory cells that form atherosclerotic plaques, while sparing endothelial cells that need to regrow to heal the injured artery. The investigational nanoparticles have the potential to achieve the therapeutic effects of drug-eluding stents without the risk of thrombosis and neoartheroclerosis, University of South Florida Health researchers report. (2021-02-10)

Plant-based magnetic nanoparticles with antifungal properties
A team of researchers from Immanuel Kant Baltic Federal University obtained magnetic nanoparticles using sweet flag (Acorus calamus). Both the roots and the leaves of this plant have antioxidant, antimicrobial, and insecticide properties. (2021-02-10)

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)

Scientists suggested using non-symmetrical magnets for target drug delivery
A team of scientists from Immanuel Kant Baltic Federal University and the University of Genoa suggested combining permanent magnets of different shapes to target magnetic particles with drugs at the organs of lab mice. Such a combination secured a magnetic driving force that was ten times stronger compared to regular cylindrical magnets. (2021-02-09)

Researchers produce tiny nanoparticles and reveal their inner structure for the first time
Tiny nanoparticles can be furnished with dyes and could be used for new imaging techniques, as chemists and physicists at Martin Luther University Halle-Wittenberg (MLU) show in a recent study. The researchers have also been the first to fully determine the particles' internal structure. Their results were published in the renowned journal Angewandte Chemie. (2021-02-08)

STINGing tumors with nanoparticles
DALLAS - Feb. 8, 2021 - A new nanoparticle-based drug can boost the body's innate immune system and make it more effective at fighting off tumors, researchers at UT Southwestern have shown. Their study, published in Nature Biomedical Engineering, is the first to successfully target the immune molecule STING with nanoparticles about one millionth the size of a soccer ball that can switch on/off immune activity in response to their physiological environment. (2021-02-08)

Silicon anode structure generates new potential for lithium-ion batteries
New research has identified a nanostructure that improves the anode in lithium-ion batteries. Instead of using graphite for the anode, the researchers turned to silicon: a material that stores more charge but is susceptible to fracturing. The team deposited silicon atoms on top of metallic nanoparticles to form an arched nanostructure, increasing the strength and structural integrity of the anode. Electrochemical tests showed the batteries had a higher charge capacity and longer lifespan. (2021-02-05)

New microscopy concept enters into force
The first demonstration of an approach that inverts the standard paradigm of scanning probe microscopy raises the prospect of force sensing at the fundamental limit. (2021-02-05)

A single-molecule guide to understanding chemical reactions better
Scientists at Tokyo Institute of Technology (Tokyo Tech) report measurement of electrical conductivity of single DNA molecules as a way of monitoring the formation of double-stranded DNA on a gold surface. In their latest paper, they investigate the time evolution of the reaction and report findings not observed previously, demonstrating the suitability of the single-molecule approach in elucidating reaction pathways and exploring novel chemical processes. (2021-02-04)

Mysterious organic scum boosts chemical reaction efficiency, may reduce chemical waste
Chemical manufacturers frequently use toxic solvents such as alcohols and benzene to make products like pharmaceuticals and plastics. Researchers are examining a previously overlooked and misunderstood phenomenon in the chemical reactions used to make these products. This discovery brings a new fundamental understanding of catalytic chemistry and a steppingstone to practical applications that could someday make chemical manufacturing less wasteful and more environmentally sound. (2021-02-04)

Garlic and selenium increase stress resistance in carps, says a RUDN University biologist
A biologist from RUDN University confirmed that selenium nanoparticles and garlic extract can effectively reduce the negative impact of stress on the health of grass carp in the breeding industry. (2021-02-04)

Nanotech plastic packaging could leach silver into some types of foods and beverages
Antimicrobial packaging is being developed to extend the shelf life and safety of foods and beverages. However, there is concern about the transfer of potentially harmful materials, such as silver nanoparticles, from these types of containers to consumables. Now, researchers reporting in ACS Applied Materials & Interfaces illustrate that silver embedded in an antimicrobial plastic can leave the material and form nanoparticles in foods and beverages, particularly in sweet and sugary ones. (2021-02-03)

Stanford research could lead to injectable gels that release medicines over time
The researchers dissolved polymers and nanoparticles in water, and comingled them at room temperature to solidify a Jello-like substance that - unlike its kitchen counterpart -- did not liquify at higher heat, such as in the body. The technique kept in balance two thermodynamic concepts- enthalpy, which measures energy added to or subtracted from a material, and entropy, which describes how energy changes make a material more or less orderly at the molecular level. (2021-02-03)

NTU Singapore team develops portable device that creates 3D images of skin in 10 minutes
A team from Nanyang Technological University, Singapore (NTU Singapore) has developed a portable device that produces high-resolution 3D images of human skin within 10 minutes. (2021-02-02)

Yale researchers develop injection to treat skin cancer
Yale researchers are developing a skin cancer treatment that involves injecting nanoparticles into the tumor, killing cancer cells with a two-pronged approach, as a potential alternative to surgery. (2021-02-02)

Easily assembled gold nanoparticle scaffolding serves as molecular probe
The development of pharmaceutical treatments is difficult -- clinicians and researchers know a certain drug can regulate particular functions, but they might not know how it actually works. Researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a new, streamlined method to better understand the molecular mechanisms underpinning these interactions. (2021-02-01)

Physicists have developed new material for water desalination
Titanium dioxide nanoparticles decorated by gold absorb about 96% of the solar spectrum and turn it into heat. The material can accelerate the evaporation in desalination plants up to 2.5 times and can track hazardous molecules and compounds. An international research team with representatives from Far Eastern Federal University (FEFU), ITMO University, and the Far Eastern Branch of the Russian Academy of Sciences, published a related article in ACS Applied Materials and Interfaces. (2021-02-01)

Nanoparticle drug delivery technique shows promise for treating pancreatic cancer
Veterans Affairs researchers have designed a new way to deliver pancreatic cancer drugs that could make fighting the disease much easier. (2021-01-28)

Researchers reveal in-situ manipulation of active Au-TiO2 interface
An international joint research team from the Shanghai Advanced Research Institute of the Chinese Academy of Sciences, along with Zhejiang University and the Technical University of Denmark, reported an in-situ strategy to manipulate interfacial structure with atomic precision during catalytic reactions. (2021-01-28)

Breakthrough design at UBCO vastly improves mechanical heart valve
New research coming out of UBC's Okanagan campus may take the current 'gold standard' for heart valves to a new level of reliability. A team of researchers at UBCO's Heart Valve Performance Lab (HVPL) has developed a way to improve overall blood flow through the valves, so the design of mechanical heart valves will more closely match the real thing. (2021-01-26)

Nanomedicine's 'crown' is ready for its close up
An international team of researchers led by Michigan State University's Morteza Mahmoudi has developed a new method to better understand how nanomedicines -- emerging diagnostics and therapies that are very small yet very intricate -- interact with patients' biomolecules. (2021-01-25)

Titanium oxide nanotubes facilitate low-cost laser-assisted photoporation
Toyohashi University of Technology developed a nanosecond pulse laser-assisted photoporation method using titanium-oxide nanotubes (TNTs) for highly efficient and low-cost intracellular delivery. HeLa - human cervical cancer cells were cultured in the nanotubes and submerged in a solution of biomolecules. After cells were exposed to nanosecond pulse laser, we successfully delivered propidium iodide (PI) and fluorescent dextran into cells with high efficiency and cell viability. (2021-01-25)

Single atoms as a catalyst: Surprising effects ensue
Catalysts are getting smaller - ''single-atom'' catalysts are the logical end point of this downsizing. However, individual atoms can no longer be described using the rules developed from larger pieces of metal, so the rules used to predict which metals will be good catalysts must be revamped - this has now been achieved at TU Wien. As it turns out, single atom catalysts based on much cheaper materials might be even more effective. (2021-01-22)

New technique builds super-hard metals from nanoparticles
Brown University researchers have shown a way to make bulk metals by smashing tiny metal nanoparticles together, which allows for customized grain structures and improved mechanical and other properties. (2021-01-22)

Gold nanoparticles more stable by putting rings on them
Hokkaido University scientists have found a way to prevent gold nanoparticles from clumping, which could help towards their use as an anti-cancer therapy. (2021-01-21)

Fighting respiratory virus outbreaks through 'nano-popcorn' sensor-based rapid detection
Respiratory diseases like influenza can spread rapidly and escalate to global health crises. Thus, to control them, simple yet sensitive detection techniques are needed. Surface-enhanced Raman scattering (SERS) is a potential candidate but currently lacks reproducibility. To overcome this, researchers in Korea have now developed a novel SERS-based sensor that can effectively detect influenza A viral pathogens with high reproducibility. Through this improved method of detection, preventing future outbreaks of respiratory diseases can become easier. (2021-01-21)

Producing green hydrogen through the exposure of nanomaterials to sunlight
A research team from the Institut national de la recherche scientifique (INRS) has joined forces with French researchers from the The Institute of Chemistry and Processes for Energy, Environment and Health (ICPEES), a CNRS-University of Strasbourg joint research lab, to pave the way towards the production of green hydrogen. (2021-01-21)

Parkinson's: Initial steps to show nerves their growth direction magnetically
One reason why nerve damage in the brain cannot regenerate easily is that the neurites do not know in which direction they should grow. A team of researchers from Ruhr-Universit├Ąt Bochum (RUB), Sorbonne University Paris, and the Technische Universit├Ąt Braunschweig is now working on showing them the direction using magnetic nanoparticles. (2021-01-18)

New delivery method promises relief from antipsychotic medication's adverse side effects
A team of neuroscientists and engineers at McMaster University has created a nasal spray to deliver antipsychotic medication directly to the brain instead of having it pass through the body. (2021-01-15)

Target discovered that halts osteoarthritis-type knee cartilage degeneration
In a mouse study, researchers used nanotechnology and previous knowledge of a protein pathway to significantly reduce knee cartilage degeneration and pain (2021-01-15)

Controlling chemical catalysts with sculpted light
Using state-of-the-art fabrication and imaging, researchers watched the consequences of adding sculpted light to a catalyst during a chemical transformation. This work could inform more efficient -- and potentially new -- forms of catalysis. (2021-01-15)

Study the boundary between bulk, nano and molecule scale of gold plasmonic physics
The collective behavior of electrons in metal plasmons reflects the important difference between condensed matter and molecule-like ones. With the help of gold clusters with precise atom numbers(N), the evolution of plasmonic response is clarified and three regimes are observed, each with distinct physics. An atomically-precise evolution picture of plasmon physics is shown with 3 regimes: classical plasmon (N=887-70000), quantum confinement corrected plasmon (N=300-887) and molecule related plasmon (N<300). (2021-01-14)

Shine on: Avalanching nanoparticles break barriers to imaging cells in real time
A team of researchers co-led by Berkeley Lab and Columbia University has developed a new material called avalanching nanoparticles that, when used as a microscopic probe, offers a simpler approach to taking high-resolution, real-time snapshots of a cell's inner workings at the nanoscale. (2021-01-13)

Page 1 of 25 | 1000 Results
   First   Previous   Next      Last   
Brightsurf.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.