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Nanotechnology news
Nanoelectromechanical resonators based on hafnia–zirconia–alumina superlattices with gigahertz spectrum coverage
Newly developed atomic engineering techniques have opened exciting opportunities for enabling ferroelectric behavior in high-k dielectrics, materials that have a high dielectric constant (i.e., kappa or k) compared to silicon. ...
Water-purifying cup makes drinkable water from creeks and streams
A rash of storms in Texas in recent years—from Hurricane Harvey in 2017 to the deep freeze in 2021—has put big chunks of the population in danger and left millions without electricity or water for long periods.
Nanomaterials
13 hours ago
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Microcrystalline cellulose soaks up amitriptyline to treat overdose
Research in the International Journal of Nano and Biomaterials has demonstrated how microcrystalline cellulose (MCC) can be used to soak up the drug amitriptyline in cases of overdose. Amitriptyline is a commonly prescribed ...
Bio & Medicine
17 hours ago
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Nanopore technology achieves breakthrough in protein variant detection
A team of scientists led by the University of Oxford have achieved a significant breakthrough in detecting modifications on protein structures. The method, published in Nature Nanotechnology, employs innovative nanopore technology ...
Bio & Medicine
Aug 1, 2023
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'Andreev chemistry' on a nanowire: Researchers generate superconducting pair states separated by grown barriers
Researchers at the University of Basel and Lund University have generated superconducting pair states of electrons on several segments of a nanowire, separated by grown barriers. Depending on the height of the barriers, these ...
Nanophysics
Aug 1, 2023
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245
Using sound waves to image nanostructures
The potential of an ultrafast form of transmission electron microscopy to measure sound waves in nanostructures has been demonstrated by three RIKEN physicists. This could help realize a high-resolution imaging method that ...
Nanophysics
Aug 1, 2023
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334
Seeing light elements in a grain boundary: Revealing material properties down to the atomic scale
To develop advanced materials, a deep understanding of their underlying microstructure and chemistry is necessary. Knowing how defects influence the interplay between microstructure and chemical composition is crucial, as ...
Nanophysics
Aug 1, 2023
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New drug delivery system containing RNA therapy can target cancer cells in bone marrow
Researchers at Tel Aviv University have destroyed 90% of multiple myeloma blood cancer cells under laboratory conditions, and 60% in human tissues taken from patients at Rabin Medical Center (Belinson Hospital), using an ...
Bio & Medicine
Jul 31, 2023
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Study shows performance of photodetector heterojunctions varies with carbon nanotube diameter
Junctions between the two different materials, single-wall carbon nanotubes (SWCNTs) and perovskite (CsPbBr3) quantum dots (QDs)—a mechanically stable and easily customized photovoltaic material that creates an electrical ...
Nanophysics
Jul 31, 2023
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New nanotech identifies chemical composition and structure of impurities in air, liquid and living tissue
Using conventional testing techniques, it can be challenging—sometimes impossible—to detect harmful contaminants such as nano-plastics, air pollutants and microbes in living organisms and natural materials. These contaminants ...
Nanophysics
Jul 31, 2023
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235
Researchers formulate controlled delivery of micronutrients to promote plant growth
Improvements in crop productivity and nutritional value are needed to meet increased global demand for food in terms of both quantity and quality. A strategy being investigated by KAUST researchers to address the issue is ...
Bio & Medicine
Jul 31, 2023
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Nanoneedles formed on an electrocatalyst improve hydrogen production
The low-cost, efficient production of hydrogen is an important step toward developing alternative, clean energy sources. Electrochemical water splitting, which splits water into its hydrogen and oxygen elements using an electrocatalyst, ...
Nanomaterials
Jul 31, 2023
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Researchers report broadband tip-enhanced nonlinear optical response in a plasmonic nanocavity
Squeezing light beyond the diffraction limit and controlling the optical processes caused by nano-confined light are central issues of nanophotonics. In particular, localized and enhanced light at the plasmonic nanogaps in ...
Nanophysics
Jul 31, 2023
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Scientists suggest special nano-pocket for surface-enhanced Raman spectroscopy scattering detection
The research group of Yang Liangbao at the Institute of Health and Medical Technology, Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Science (CAS) has recently developed a surface-enhanced Raman spectroscopy ...
Nanomaterials
Jul 28, 2023
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Light enhancement in nanoscale structures could aid cancer detection
A cutting-edge practice by two Vanderbilt researchers that enhances light in nanoscale structures could help in the detection of diseases like cancer.
Bio & Medicine
Jul 28, 2023
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Novel nano-immune magnetic bead may provide faster way to catch SARS-CoV-2
A more efficient way to test SARS-CoV-2 virus was developed recently by a research team led by Professor Wang Junfeng from Hefei Institutes of Physical Science (HFIPS), Chinese Academy of Science (CAS). The novel nano-immune ...
Bio & Medicine
Jul 28, 2023
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Using diamond microparticles to create high security anti-counterfeit labels
Counterfeiting is a serious problem affecting a wide range of industries—from medicine to electronics, inflicting enormous economic losses, posing safety concerns and putting health at risk.
Nanomaterials
Jul 28, 2023
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Researchers demonstrate scaling of aligned carbon nanotube transistors to below sub-10 nm nodes
Carbon nanotubes, large cylindrical molecules composed of hybridized carbon atoms arranged in a hexagonal structure, recently attracted significant attention among electronics engineers. Due to their geometric configuration ...
Fullerene-pillared porous graphene with high water adsorption capacity
Separation processes are essential in the purification and concentration of a target molecule during water purification, removal of pollutants, and heat pumping, accounting for 10–15% of global energy consumption. To make ...
Nanomaterials
Jul 27, 2023
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82
Mixing of moiré-surface and bulk states: Capturing Hofstadter's butterfly in one of Earth's most ancient materials
Researchers in the National Graphene Institute (NGI) at The University of Manchester have revisited one of the most ancient materials on Earth—graphite—and discovered new physics that has eluded the field for decades.
Nanophysics
Jul 27, 2023
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True shape of lithium revealed for the first time
Detection of bacteria and viruses with fluorescent nanotubes
Structural insights illuminate the arms race between crop plants and fungal pathogens
