selenium
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Environment
Improved monitoring of mine remediation: selenium isotopes are a good indicator of cleanup operations
Credit: Canadian Light Source A new testing technique developed using synchrotron light could significantly improve the way we monitor the effectiveness of remediation practices to remove selenium contamination from mining activities. Selenium is a naturally occurring nutrient that humans and animals need in small amounts to maintain good health. However, exposure to higher concentrations can cause neurological problems in humans…
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Nanotechnology
Physicists use selenium doping to achieve high selectivity in nanostructures
Scanning tunneling microscope image of the reaction pathway of mTBPT on a Cu(111) substrate, showing the transition from a random metal-organic structure before selenium doping to a well-ordered, crystalline, two-dimensional metal-organic nanostructure after doping. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-47614-9 Physicists at the National University of Singapore (NUS) have used flexible precursors and selenium doping to achieve controlled conformations of…
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