Search results for scanning electron microscopy

Biochemistry Sep 26, 2024

Citrus waste converted to biopolymers using cavitation

The citrus industry generates a substantial amount of waste, primarily peels and seeds, which are often underutilized despite their rich cellulose and pectin content. Conventional pectin and cellulose extraction methods are ...

Earth Sciences Sep 19, 2024

Arctic warming may fuel ice formation in clouds, observations suggest

The Arctic frequently experiences temperatures that support the formation of mixed-phase clouds that contain supercooled liquid droplets and ice crystals. The composition of such clouds plays a crucial role in the region's ...

Condensed Matter Sep 18, 2024

Antiferromagnetic spintronics advance opens door to next-gen electronics

University of Nebraska–Lincoln researchers have achieved a breakthrough in antiferromagnetic spintronics, a development that could expand the nanotechnology's capabilities, which have been limited by their need for excessive ...

Condensed Matter Sep 11, 2024

Overcoming magnetic disorder: Toward low-energy topological electronics

Overcoming magnetic disorder is key to exploiting the unique properties of quantum anomalous Hall (QAH) insulators. A Monash-led team has demonstrated that the breakdown in topological protection is caused by magnetic disorder, ...

Plants & Animals Sep 10, 2024

New Zealand's kākāpō developed different feather colors to evade predatory birds, genome sequencing shows

Aotearoa New Zealand's flightless parrot, the kākāpō, evolved two different color types to potentially help them avoid detection by a now-extinct apex predator, Lara Urban at Helmholtz AI, Germany and colleagues from the ...

Plants & Animals Sep 10, 2024

How researchers discovered a new type of wood—and how it could help fight climate change

For as long as scientists have studied trees, we have categorized them into two types based on the sort of wood they make. Softwoods include pines and firs and generally grow faster than hardwoods, like oaks and maples, which ...

Analytical Chemistry Sep 9, 2024

Green hydrogen: MXenes show talent as catalyst for oxygen evolution reaction

The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalized, are excellent catalysts for the oxygen evolution reaction ...

Bio & Medicine Sep 9, 2024

Silver nanoparticles and a new sensing method can fight back against antibiotic-resistant biofilms

From safeguarding our food supply to preventing hospital infections, the battle against antibiotic-resistant bacteria is a growing challenge. Some bacteria can form biofilms, thick aggregates of millions of individual cells ...

Archaeology Aug 2, 2024

'Screaming Woman' mummy may have died in agony 3,500 years ago

In 1935, the Metropolitan Museum of New York led an archaeological expedition to Egypt. In Deir Elbahari near Luxor, the site of ancient Thebes, they excavated the tomb of Senmut, the architect and overseer of royal works—and ...

Optics & Photonics Aug 1, 2024

Microscopy breakthrough promises better imaging for sensitive materials

An international team of scientists, led by Trinity College Dublin, has devised an innovative imaging method using state-of-the-art microscopes that significantly reduces the time and radiation required. Their work represents ...

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