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WA scientists shed light on continent formation
Research from Western Australian scientists has shed new light on how the Earth’s first continental crust was formed.
The team of scientists, which included Dr Laure Martin and Mr Matvei Aleshin from The University of Western Australia and was led by the Geological Survey of Western Australia and Curtin University, measured compositions of oxygen in ancient granites in the Pilbara using the ion microprobe Cameca IMS1280 at UWA.
The scientists found that the water required to produce the granites did not come from above but was supplied from the mantle, which is the thick layer below the Earth’s crust.
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Search for strange Skyrmion phenomenon fails but finds even stranger magnetic beaded necklace with computer memory storage
University of Warwick physicists set out to find Skyrmions, only to find near-identical object with distinctive qualities that they have named an incommensurate spin crystal
Scientists looked for the signs of the magnetic spin texture in ultra-thin materials only a few atoms thick
Physicists have great interest in the potential of Skyrmions frequently detected by their ambiguous, bulk electrical measurements.
This new discovery could point the way for a new basis for technologies in computer memory and storage
Physicists on the hunt for a rarely seen magnetic spin texture have discovered another object that bears its hallmarks, hidden in the structure of ultra-thin magnetic films, that they have called an incommensurate spin crystal.
Study investigates activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation
The activity of enzymes in industrial processes, laboratories, and living beings can be remotely controlled using light. This requires their immobilization on the surface of nanoparticles and irradiation with a laser. Near-infrared light can penetrate living tissue without damaging it.
The nanoparticles absorb the energy of the radiation and release it back in the form of heat or electronic effects, triggering or intensifying the enzymes catalytic activity. This configures a new field of study known as plasmonic biocatalysis.
Research conducted at the University of São Paulo s Chemistry Institute (IQ-USP) in Brazil investigated the activity of enzymes immobilized on gold nanoparticles controlled by infrared laser irradiation. An article reporting the results is published in
AI-based technique determines cancer cells by their acidity
Healthy and cancer cells can look similar under a microscope. One way of differentiating them is by examining the level of acidity, or pH level, inside the cells.
Tapping on this distinguishing characteristic, a research team from the National University of Singapore (NUS) has developed a technique that uses artificial intelligence (AI) to determine whether a single cell is healthy or cancerous by analyzing its pH. Each cancer test can be completed in under 35 minutes, and single cells can be classified with an accuracy rate of more than 95 per cent.
The research, led by Professor Lim Chwee Teck, Director of the Institute for Health Innovation & Technology (iHealthtech) at NUS, was first published in the journal