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Nanotechnology. The latest news on nanoscience, nanoelectronics, science and technology. Updated Daily.

1. Diamond dust as a potential alternative to contrast agent gadolinium in magnetic resonance imagingЧт, 25 апр[-/+]

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An unexpected discovery surprised a scientist at the Max Planck Institute for Intelligent Systems in Stuttgart: Nanometer-sized diamond particles, which were intended for a completely different purpose, shone brightly in a magnetic resonance imaging experiment—much brighter than the actual contrast agent, the heavy metal gadolinium.

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2. Ultrasensitive photonic crystal detects single particles down to 50 nanometersСр, 24 апр[-/+]

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Using an ultrasensitive photonic crystal, TU/e researchers were able to detect single particles down to 50 nanometers in diameter. The new research has just been published in the journal Optica.

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3. Imaging technique shows new details of peptide structuresСр, 24 апр[-/+]

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A new imaging technique developed by engineers at Washington University in St. Louis can give scientists a much closer look at fibril assemblies—stacks of peptides that include amyloid beta, most notably associated with Alzheimer's disease.

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4. Cows' milk particles used for effective oral delivery of drugsСр, 24 апр[-/+]

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Researchers have found that tiny particles present in cows' milk could offer, for the first time, an effective method for the oral delivery of RNA drugs.

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5. Bioelectronic chip detects vitamins C and D in saliva in under 20 minutesСр, 24 апр[-/+]

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Researchers at the University of Sao Paulo (USP) in Brazil have developed a bioelectronic chip that simultaneously detects vitamins C and D in body fluids. It is flexible and easy to see and can be adapted for use in a wearable device to assist with a personalized diet. Details are described in an article published in ACS Applied Nano Materials.

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6. Scientists reveal working mechanism of multilayer MoS2 photodetector with broad spectral range and multiband responseСр, 24 апр[-/+]

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As a typical two-dimensional material, MoS2 exhibits unique optical and electrical properties due to its atomic thickness in the vertical dimension, making it a research hotspot in the field of optoelectronic detection.

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7. Researchers create nanostructures for efficient and sustainable degradation of pollutantsСр, 24 апр[-/+]

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The need for sustainable and environment-friendly solutions has accelerated the global demand for green and renewable technologies. In this regard, semiconductor photocatalysts have emerged as an attractive solution, owing to their potential in mitigating pollutants and harnessing solar energy efficiently. Photocatalysts are materials that initiate chemical reactions when exposed to light.

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8. Research combines DNA origami and photolithography to move one step closer to molecular computersСр, 24 апр[-/+]

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Molecular computer components could represent a new IT revolution and help us create cheaper, faster, smaller, and more powerful computers. Yet researchers struggle to find ways to assemble them more reliably and efficiently.

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9. Nanofibers rid water of hazardous dyes: Researchers develop efficient filters based on cellulose wasteСр, 24 апр[-/+]

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Using waste to purify water may sound counterintuitive. But at TU Wien, this is exactly what has now been achieved. Researchers have developed a special nanostructure to filter a widespread class of harmful dyes from water.

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10. New model extends theory of pattern formation to the nano-cosmosСр, 24 апр[-/+]

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A new model developed by scientists from the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) extends the theory of elastic phase separation towards nanoscopic structures. Such patterns are frequent in biological systems and also used in nano-engineering to create structural color. With their new insights, the scientists can predict the length scale of nanoscopic patterns and thus control them during production. The model is published in the journal Physical Review X.

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11. Crinkled coatings could prevent medical implants from failingСр, 24 апр[-/+]

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Medical implants could fail less often when coated with a microscopically crinkled, ceramic material designed by researchers at the University of Michigan. The coating is described in a paper published in ACS Applied Materials and Interfaces.

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12. Engineers muffle invading pathogens with a 'molecular mask'Ср, 24 апр[-/+]

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Vaccines remain the gold standard of protection against dangerous pathogens, but take considerable time and vast resources to develop. Rapidly mutating viruses such as SARS-CoV-2 can blunt their effectiveness and even render them obsolete.

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13. New nanocomposite from papaya peel waste exhibits promising photocatalytic and antibacterial activityВт, 23 апр[-/+]

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In a significant leap towards sustainable environmental management and antimicrobial strategies, a team of international researchers has successfully synthesized a fluorescent carbon dot (CD) and reduced graphene oxide (RGO) nanocomposite from papaya peel waste. The study, published in the Journal of Bioresources and Bioproducts, details a one-step hydrothermal method to fabricate the nanocomposite, which was then characterized using various spectroscopic and microscopic techniques.

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14. Scientists stencil-paint carbon nanotube components for flexible transparent electronicsВт, 23 апр[-/+]

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Researchers from Skoltech, MIPT, and elsewhere have found a fast and inexpensive way to create geometric patterns in carbon nanotube films. The resulting films turned out to have superior properties for manufacturing components for 6G communication devices and flexible and transparent electronics—such as wearable health trackers. The patterning method is detailed in a paper in the Chemical Engineering Journal.

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15. Breaking boundaries in tiny labs: New technology using sound waves has implications for nanoparticle manipulationВт, 23 апр[-/+]

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Acoustofluidics elegantly merges acoustics with fluid mechanics, enabling precise manipulation of fluids and particles on both micro and nanoscales. This interdisciplinary field plays a crucial role in biomedicine, tissue engineering, and nanoparticles synthesis. However, the effectiveness and potential of traditional acoustofluidic devices are often curtailed by their dependency on the specific geometries of fluidic chambers, thus limiting their adaptability and versatility.

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16. Rice bran nanoparticles show promise as affordable and targeted anticancer agentВт, 23 апр[-/+]

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Several types of conventional cancer therapies, such as radiotherapy or chemotherapy, destroy healthy cells along with cancer cells. In advanced stages of cancer, tissue loss from treatments can be substantial and even fatal. Cutting-edge cancer therapies that employ nanoparticles can specifically target cancer cells, sparing healthy tissue.

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17. Electron videography captures moving dance between proteins and lipidsПн, 22 апр[-/+]

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In a first demonstration of "electron videography," researchers have captured a microscopic moving picture of the delicate dance between proteins and lipids found in cell membranes. The technique can be used to study the dynamics of other biomolecules, breaking free of constraints that have limited microscopy to still images of fixed molecules, say University of Illinois Urbana-Champaign researchers and collaborators at the Georgia Institute of Technology.

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18. Novel graphene oxide spray coating advances antiviral protection of face masksПн, 22 апр[-/+]

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In the relentless battle against airborne viruses, researchers have developed a new spray coating to improve the antiviral efficacy of personal protective equipment, notably face masks. The study is published in the journal ACS Applied Nano Materials.

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19. Magnetic with a pinch of hydrogen: Research team develops new idea to improve the properties of ultra-thin materialsПн, 22 апр[-/+]

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Magnetic two-dimensional materials consisting of one or a few atomic layers have only recently become known and promise interesting applications, for example for the electronics of the future. So far, however, it has not been possible to control the magnetic states of these materials well enough.

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20. European XFEL elicits secrets from an important nanogelПт, 19 апр[-/+]

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An international team at the world's largest X-ray laser European XFEL at Schenefeld near Hamburg has scrutinized the properties of an important nanogel that is often used in medicine to release drugs in a targeted and controlled manner at the desired location in a patient's body. The team has now published the results in the journal Science Advances.

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21. Scientists develop novel aggregation-induced emission carbon dots for bioimagingПт, 19 апр[-/+]

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Carbon dots (CDs) are an intriguing class of nanomaterials that have attracted a great deal of attention in recent years. These carbon-based materials possess excellent fluorescence properties, making them highly appealing for a wide range of applications.

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22. Researchers set new standards for nanoparticles, helping patients with MS, ALS, Parkinson's diseaseПт, 19 апр[-/+]

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Is it possible for nanoparticles to go through the digestive system and deliver medicine directly to the brain tissue? Researchers from Michigan State University say yes, and their latest findings are expected to benefit patients with neurodegenerative disorders like multiple sclerosis, or MS; amyotrophic lateral sclerosis, or ALS; and Parkinson's disease, or PD.

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23. Cost-effective nanorod electrodes for molecular hydrogen productionПт, 19 апр[-/+]

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SUNY Polytechnic Institute (SUNY Poly) Associate Professor of Electrical and Computer Engineering Technology Dr. Iulian Gherasoiu and peers have published research in the Journal of Applied Electrochemistry titled "MoVN-coated MoNi4-MoO2 nanorods as a bifunctional electrode for electrochemical water splitting."

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24. Development of organic semiconductors featuring ultrafast electronsПт, 19 апр[-/+]

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Scientists have created conducting two-dimensional polymers exhibiting electron mobility comparable to graphene. Their research has been featured in the online edition of Chem.

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25. Comprehensive model unravels quantum-mechanical effects behind photoluminescence in thin gold filmsПт, 19 апр[-/+]

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EPFL researchers have developed the first comprehensive model of the quantum-mechanical effects behind photoluminescence in thin gold films; a discovery that could drive the development of solar fuels and batteries.

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26. Novel material supercharges innovation in electrostatic energy storageЧт, 18 апр[-/+]

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Electrostatic capacitors play a crucial role in modern electronics. They enable ultrafast charging and discharging, providing energy storage and power for devices ranging from smartphones, laptops and routers to medical devices, automotive electronics and industrial equipment. However, the ferroelectric materials used in capacitors have significant energy loss due to their material properties, making it difficult to provide high energy storage capability.

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27. Scientists explore the strategies of defects and nanostructure fabrication for promoting piezocatalytic activityЧт, 18 апр[-/+]

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As an important chemical raw material, hydrogen peroxide (H2O2) is widely applied in various aspects of industry and life. The industrial anthraquinone method for H2O2 production has the serious flaws, such as high pollution and energy consumption. By using ubiquitous mechanical energy, piezocatalytic H2O2 evolution has been proven as a promising strategy, but its progress is hindered by unsatisfied energy conversion efficiency.

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28. Scientists grow human mini-lungs as animal alternative for nanomaterial safety testingЧт, 18 апр[-/+]

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Human mini-lungs grown by University of Manchester scientists can mimic the response of animals when exposed to certain nanomaterials. The study is published in Nano Today.

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29. Thermal properties of new 2D materials for microchips can now be measured wellЧт, 18 апр[-/+]

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Making ever smaller and more powerful chips requires new ultrathin materials: 2D materials that are only 1 atom thick, or even just a couple of atoms. Think about graphene or ultra-thin silicon membrane for instance.

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30. Researchers create nanomembrane to increase reaction rate in chemical productionЧт, 18 апр[-/+]

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Flow-through reactors packed with enzymes can produce certain chemicals in a gentle and careful way. However, their performance has so far been limited. A research team from the Helmholtz-Zentrum Hereon and RWTH Aachen University has now been able to increase the yield a thousandfold.

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