科学与环境
Discovery of bromochloropyrene reveals unexpected biological properties
来源: Phys.org - latest science and technology news stories · 发布于
Environmental pollutants containing chlorine or bromine have been widely studied, but compounds containing both elements have remained largely unexplored. Researchers have now detected bromochloropyrene in industrial soils and harbor sediments, investigated its breakdown under si
Environmental pollutants containing chlorine or bromine have been widely studied, but compounds containing both elements have remained largely unexplored. Researchers have now detected bromochloropyrene in industrial soils and harbor sediments, investigated its breakdown under simulated sunlight, and measured its activity through a biological receptor linked to toxic effects. The findings reveal distinct environmental and biological properties, highlighting the need to investigate other mixed-halogen pollutants and improve future environmental monitoring and risk assessment.
相关报道
Researchers create light-activated cages for 'protein killer' molecules
Researchers have created a molecular "cage" that keeps protein-degrading drug molecules inactive until they are exposed to low-energy red light. The technology, called RuPHOTACs, controls when and where these molecules become active, which could help scientists develop treatments
Phys.org - latest science and technology news stories ·
Scientists find that a 10-millisecond flash could help build more sensitive gas sensors
Nitrogen dioxide is a harmful gas that requires sensitive detection. Researchers used intense light pulses lasting 10 milliseconds to make molybdenum disulfide flakes and anchor isolated metal atoms in one step. Adding platinum improved the material's room-temperature response to
Phys.org - latest science and technology news stories ·
Scientists reveal a hidden snakebite crisis killing up to 513,000 people a year
A startling new study suggests that venomous snakebites are killing far more people worldwide than official statistics indicate, with an estimated 274,000 to 513,000 deaths every year. Researchers found that as many as 7 million people could suffer snake envenoming annually, whil
All Top News -- ScienceDaily ·
Scientists discover why chronic back pain feels so personal
A surprising discovery at UC San Diego suggests that chronic lower back pain may become deeply embedded in the brain's sense of personal identity. Researchers found that movement-triggered pain activates a brain network associated with self-awareness and memories, even though ord
All Top News -- ScienceDaily ·
Your blood pressure could be dangerous even when your numbers look normal
Researchers have discovered a small group of brain cells that prevents dangerous blood pressure swings, even when average readings appear normal. The finding reveals a hidden source of cardiovascular risk and could open the door to new treatments that protect the heart and brain.
All Top News -- ScienceDaily ·