Current Nanoparticles News and Events

Current Nanoparticles News and Events, Nanoparticles News Articles.
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Creating higher energy density lithium-ion batteries for renewable energy applications
Lithium-ion batteries that function as high-performance power sources for renewable applications, such as electric vehicles and consumer electronics, require electrodes that deliver high energy density without compromising cell lifetimes. In the Journal of Vacuum Science and Technology A, researchers investigate the origins of degradation in high energy density LIB cathode materials and develop strategies for mitigating those degradation mechanisms and improving LIB performance. (2020-11-24)

Animal-free method predicts nanoparticle toxicity for safer industrial materials
Researchers at Helmholtz Zentrum München together with scientists across Europe developed a novel animal-free method to predict the toxic effect of nanoparticles to the human lung. The method aims to enable the safety-by-design development of safer industrial materials. (2020-11-24)

Carbon nanocomposites are now one step closer to practical industrial
Multifunctional materials were designed to allow self-diagnostic monitoring through an inexpensive technique. These materials were created by adding the carbon nanoparticles to polymer matrices. Essentially, the use of such materials has the potential to replace sensors in weight critical systems such as aircraft structures, with the material itself being able to provide measurements. (2020-11-23)

Improving quantum dot interactions, one layer at a time
Osaka City University scientists and colleagues in Japan have found a way to control an interaction between quantum dots that could greatly improve charge transport, leading to more efficient solar cells. Their findings were published in the journal Nature Communications. (2020-11-20)

Breast cancer discovery could help stop disease's deadly spread
Researchers have identified a gene responsible for the spread of triple-negative breast cancer to other parts of the body and developed a potential way to stop it. (2020-11-20)

Predicting forces between oddly shaped nanoparticles
Materials scientists at Duke University have devised a simplified method for calculating the forces that cause nanoparticles to self-assemble. With this new model and graphical user interface, researchers will be able to make previously impossible predictions about how nanoparticles with a wide variety of shapes will interact with one another. The new method offers opportunities for rationally designing such particles for a wide range of applications from harnessing solar energy to driving catalytic reactions. (2020-11-19)

Gold nanoparticles turn the spotlight on drug candidates in cells
A team including researchers from Osaka University has developed a surface-enhanced Raman scattering (SERS) microscopy technique for tracking small molecules in live cells. The technique uses gold nanoparticles to boost the signal from alkyne group tags attached to the molecules. The alkyne group has a minimal effect on the drug molecule behavior and provides a signal that can be easily distinguished from the cell background. Their technique is expected to be useful in drug discovery. (2020-11-18)

UIC researchers describe fundamental processes behind movement of magnetic particles
Researchers from the University of Illinois Chicago describe several fundamental processes associated with the motion of magnetic particles through fluids as they are pulled by a magnetic field. (2020-11-18)

Mastering the art of nanoscale construction to breathe easy and bust fraud
An innovative approach to nanoscale assembly has been successfully demonstrated, with the accuracy, scalability and control required to offer new tools for chemical sensing and anti-counterfeiting. The mechanism, which relies on electrophoretic deposition, could also positively impact renewable energy and optoelectronics. (2020-11-17)

Cancer metastasis: From problem to opportunity
When cancer metastasizes, it often ends up in the lungs, where the new tumors unleash a cascade of chemical cues that thwart the body's immune response. A team of researchers from the Wyss Institute has created a new approach that attacks metastasis itself by using red blood cells as couriers to deliver nanoparticles filled with immune-cell-attracting chemicals. This approach halted lung tumor growth in mice with metastatic breast cancer and protected the animals against future cancer recurrences.  (2020-11-16)

New technology allows more precise view of the smallest nanoparticles
Scientists have reported a new optical imaging technology, using a glass side covered with gold nanodiscs that allows them to monitor changes in the transmission of light and determine the characteristics of nanoparticles as small as 25 nanometers in diameter. (2020-11-16)

Smaller than ever--exploring the unusual properties of quantum-sized materials
Scientists at Tokyo Institute of Technology (Tokyo Tech) synthesize sub-nanometer particles with precisely controlled proportions of indium and tin using specific macromolecular templates called dendrimers. Through a screening process spanning different metallic ratios, they discovered unusual electronic states and optical properties originating from size-miniaturization and elemental-hybridization. Their approach could be a first step in the development of sub-nanoparticles with unique functionalities and characteristics for electronic, magnetic, and catalytic applications. (2020-11-12)

Selective encapsulation of ultrafine Pd and Pt nanoparticles within the shallow layers of MOF
A solvent assisted ligand exchange-hydrogen reduction (SALE-HR) strategy is demonstrated to selectively encapsulate ultrafine metal nanoparticles (Pd or Pt) within the shallow layers of a MOF, i.e., UiO-67, for highly efficient hydrogenation reactions. (2020-11-11)

Glioblastoma nanomedicine crosses into brain in mice, eradicates recurring brain cancer
A new synthetic protein nanoparticle capable of slipping past the nearly impermeable blood-brain barrier in mice could deliver cancer-killing drugs directly to malignant brain tumors, new research from the University of Michigan shows. (2020-11-10)

Bringing drugs to the brain with nanoparticles to treat neurodegenerative diseases
Researchers from the Institut national de la recherche scientifique (INRS) have shown that nanoparticles could be used to deliver drugs to the brain to treat neurodegenerative diseases. (2020-11-09)

A better understanding of coral skeleton growth suggests ways to restore reefs
In a new study, University of Wisconsin-Madison physicists observed reef-forming corals at the nanoscale and identified how they create their skeletons. The results provide an explanation for how corals are resistant to acidifying oceans and suggest that controlling water temperature, not acidity, is crucial to mitigating loss and restoring reefs. (2020-11-09)

Higher-resolution imaging of living, moving cells using plasmonic metasurfaces
Researchers at Kyushu University have demonstrated that placing cells on a plasmonic metasurface of self-assembled gold nanoparticle can improve the resolution of images of living cells taken in real-time under a widefield fluorescence microscope. The metasurface effectively confines light emission from parts of the cell near the metasurface to a nano-thickness plane, providing a simple method to improving both axial and lateral resolution. (2020-11-06)

The importance of good neighbors in catalysis
Are you affected by your neighbors? So are nanoparticles in catalysts. New research from Chalmers University of Technology, Sweden, published in the journals Science Advances and Nature Communications, reveals how the nearest neighbors determine how well nanoparticles work in a catalyst. (2020-11-03)

Room temperature conversion of CO2 to CO: A new way to synthesize hydrocarbons
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere. (2020-11-02)

Ultra-small hollow alloy nanoparticles for synergistic hydrogen evolution catalysis
The ultra-small hollow ternary alloy PtNiCu, PtCoCu and CuNiCo nanoparticles were prepared via an effective and simple one-pot strategy. Due to moderately synergistic interactions between the three metals of Pt, Ni, Cu and H*, the hollow PtNiCu nanoparticles showed the excellent hydrogen evolution reaction (HER) performance. In alkaline electrolyte, the overpotential at 10 mA cm-2 is 28 mV versus RHE. Its mass activity is 5.62-fold higher than that of commercial Pt/C system. (2020-10-28)

Turning a coronavirus protein into a nanoparticle could be key for COVID-19 vaccine
One of the proteins on the virus - located on the characteristic COVID spike - has a component called the receptor-binding domain, or RBD, which is its ''Achilles heel.'' That is, he said, antibodies against this part of the virus have the potential to the neutralize the virus. (2020-10-28)

RUDN University chemist created a catalyst from orange peel for organic compounds production
N-heterocycles are organic substances used in the chemical industry and medicine. To produce them, expensive catalysts made from noble metals are used. A chemist from RUDN University developed a nanocatalyst for N-heterocycles that consists of zinc oxide and niobium and can be obtained using orange peel without any additional chemical agents. The catalyst makes the reaction almost 100% effective, thus increasing the efficiency and reducing the cost of N-heterocycles production. (2020-10-23)

New drug that can prevent the drug resistance and adverse effects
A research team in Korea is garnering attention for having developed an anticancer drug that could potentially prevent drug resistance. The Korea Institute of Science and Technology (KIST) announced that a team of researchers led by Dr. Kwang-meyung Kim at the Theragnosis research center successfully developed a cancer-specific anticancer drug precursor that can prevent the drug resistance. (2020-10-21)

Researchers use gold nanorod scattering to identify immune system's 'killer and savior'
Researchers have utilized the scattering of gold nanorods to identify M1 and M2 macrophages. Further development of this technique will lead to a new point of care or a biopsy tool which can predict the stages of manifestation of diseases like cancer, atherosclerosis, and fibrosis just from the simple tissue fluids or blood samples. (2020-10-20)

Boron nitride nanofilms for protection from bacterial and fungal infections
NUST MISIS material scientists have presented antibacterial nano-coatings based on boron nitride, which are highly effective against microbial pathogens (up to 99.99%). They can become a safe alternative to the usual antibiotics in implantology since they do not have typical negative side effects. The results of the work are published in the international scientific journal ACS Applied Materials & Interfaces. (2020-10-20)

A trillion turns of light nets terahertz polarized bytes
Nanophotonics researchers at Rice University, the Polytechnic University of Milan and the Italian Institute of Technology have demonstrated a novel technique for modulating light at terahertz frequencies with plasmonic metasurfaces. (2020-10-19)

Calcium bursts kill drug-resistant tumor cells
Multidrug resistance (MDR) -- a process in which tumors become resistant to multiple medicines -- is the main cause of failure of cancer chemotherapy. Tumor cells often acquire MDR by boosting their production of proteins that pump drugs out of the cell, rendering the chemotherapies ineffective. Now, researchers reporting in ACS' Nano Letters have developed nanoparticles that release bursts of calcium inside tumor cells, inhibiting drug pumps and reversing MDR. (2020-10-16)

Wearable circuits printed directly on human skin
Wearable electronics are getting smaller, more comfortable and increasingly capable of interfacing with the human body. To achieve a truly seamless integration, electronics could someday be printed directly on people's skin. As a step toward this goal, researchers reporting in ACS Applied Materials & Interfaces have safely placed wearable circuits directly onto the surface of human skin to monitor health indicators, such as temperature, blood oxygen, heart rate and blood pressure. (2020-10-14)

Ultra-sensitive nanothermometer under ambient conditions
Nanoscale temperature measurement with high sensitivity is important to studying many phenomena ranging from heat dissipation in nanocircuits to thermal processes in live systems. The most sensitive nanothermometer working under ambient conditions is demonstrated by hybridizing the critical magnetism of magnetic nanoparticles and the ultra-sensitive diamond-based magnetometer. The sensitivity of the hybrid nanothermometer is as high as 76 uK/sqrt(Hz). The ultra-sensitive nanothermometer offers a new tool to investigate thermal processes in nanoscale systems. (2020-10-14)

Controlling the speed of enzyme motors brings biomedical applications of nanorobots closer
A new study, published in the journal Angewandte Chemie International Edition, describes a tool for modulating nanomotors powered by enzymes, broadening their potential biomedical and environmental applications. (2020-10-13)

Nanoscale machines convert light into work
Researchers have developed a tiny new machine that converts laser light into work. These optically powered machines self-assemble and could be used for nanoscale manipulation of tiny cargo for applications such as nanofluidics and particle sorting. (2020-10-08)

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)

Microneedles for therapeutic gene delivery
Researchers develop a minimally invasive biodegradable microneedle patch as a novel delivery mode for gene therapy applications (2020-10-07)

Evidence of Alzheimer's, Parkinson's & MND in brains of young people exposed to dirty air
After examining the brainstems of 186 young Mexico City residents aged between 11 months and 27 years of age, researchers, including Professor Barbara Maher from Lancaster University, found markers not only of Alzheimer's disease, but also of Parkinson's and of motor neurone disease (MND) too. These markers of disease were coupled with the presence of tiny, distinctive nanoparticles within the brainstem - their appearance and composition indicating they were likely to come from vehicle pollution. (2020-10-06)

Nanoparticles can turn off genes in bone marrow cells
Using specialized nanoparticles, MIT engineers have developed a way to turn off specific genes in cells of the bone marrow, which play an important role in producing blood cells. (2020-10-05)

'Like a fishing net,' nanonet collapses to trap drug molecules
Researchers have discovered a new, rapid method for fabricating nanoparticles from a simple, self-assembling polymer, which present new possibilities for diverse applications, including water purification, diagnostics and rapidly generating vaccine formulations. (2020-10-05)

Our health: New focus on the synergy effect of nanoparticles
Nanoparticles are valuable and useful in many products, but according to a new study, they can also damage our cells. Researchers are concerned about the effect of lifelong exposure to the human organism. (2020-10-01)

Scientists capture candid snapshots of electrons harvesting light at the atomic scale
A team of scientists led by Berkeley Lab has gained important new insight into electrons' role in the harvesting of light in artificial photosynthesis systems. The scientists say that their findings can help researchers develop more efficient material combinations for the design of high-performance solar fuels devices. (2020-09-30)

Zebrafish embryos help prove what happens to nanoparticles in the blood
What happens to the nanoparticles when they are injected into the bloodstream, for example, to destroy solid tumours? With new results published in ACS Nano, researchers from Aarhus University are now ready to tackle such a challenging question using zebrafish embryos as a new study model in nanomedicine and nanotoxicology. (2020-09-30)

Scientists studied nanoparticles embedded in silver-ion-exchanged glasses
Researchers have registered the formation of silver nanoparticles in an ion-exchanged glass as a result of infrared laser irradiation. The research of current studies were published in the journal of Nanomaterials. (2020-09-29)

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