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Using sound waves to image nanostructures

Nanowerk   -   Nanotechnology Websites

Sound waves that have tiny wavelengths can be detected using a special electron microscope.

Aug 1, 2023

Microscopic Cracks in Metal Can Spontaneously Heal

IEEE Spectrum   -   Scientific and Educational Websites

Microscopic cracks in metals can heal themselves, suggesting that self-repairing machines could one day reverse damage they suffer, a new study reveals.

Jul 31, 2023

Nanotechnology assisted retina cell breakthrough could help treat blindness

Nanowerk   -   Nanotechnology Websites

Researchers have achieved a groundbreaking breakthrough by utilizing nanotechnology to construct a 3D 'scaffold' capable of cultivating cells from the retina.

Jul 31, 2023

UV and Blue Light Take Down Drug-Resistant Bacteria

IEEE Spectrum   -   Scientific and Educational Websites

Bacterial resistance to antibiotics is a serious threat to public health. It contributed to an estimated 4.95 million deaths in 2019, and a recent review commissioned by the government of the United Kingdom warns that antimicrobial resistance coul...

Jul 31, 2023

Researchers report broadband tip-enhanced nonlinear optical response in a plasmonic nanocavity

Phys.org   -   Scientific News Websites

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 scanning probe microscop...

Jul 31, 2023

Study shows performance of photodetector heterojunctions varies with carbon nanotube diameter

Phys.org   -   Scientific News Websites

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 current from sunlight whe...

Jul 31, 2023

Nanoneedles formed on an electrocatalyst improve hydrogen production

Phys.org   -   Scientific News Websites

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, is a viabl...

Jul 31, 2023

New drug delivery system containing RNA therapy can target cancer cells in bone marrow

Phys.org   -   Scientific News Websites

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 RNA-based drug delivered t...

Jul 31, 2023

New nanotech identifies chemical composition and structure of impurities in air, liquid and living tissue

Phys.org   -   Scientific News Websites

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 are sometimes found i...

Jul 31, 2023

Can rainbows monitor the environment?

Nanowerk   -   Nanotechnology Websites

New nanotechnology may make it easier to identify the chemical composition of impurities and their geometrical shape in samples of air, liquid and live tissue.

Jul 31, 2023

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