2024-08-28 03:21:08动物植物
里约热内卢海岸鲨鱼肌肉和肝脏中发现可卡因

A team of marine biologists and ecotoxicologists affiliated with several institutions in Brazil has found cocaine in muscle and liver samples collected from Brazilian Sharpnose sharks harvested off the coast of Rio de Janeiro. Their study, published in th

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2024-08-28 03:20:39前沿信息
新系统增强了纳米纤维基生物电极的机械稳定性

Flexible electronic devices based on electrospun nanofiber membranes (ENM) are attracting significant attention due to their high biocompatibility and excellent mechanical performance. However, patterning conductive materials on fiber substrates typically

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2024-08-28 03:07:48动物植物
研究发现,在东非大草原上,一头大象可以养活200多万只蜣螂

How many dung beetles are there in East Africa? That question inspired a research project more than 20 years ago when Frank Krell was a research entomologist with the Natural History Museum London. Throughout a three-year-long project along with his wife,

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2024-08-28 03:04:37前沿信息
新的纳米材料可以促进清洁能源的氢气生产

Have you ever considered how nanotechnology could transform our approach to clean energy? In recent research, we've been exploring nanoscale covalent organic frameworks (nano-COFs) that show exceptional potential for enhancing photocatalytic hydrogen pro

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2024-08-28 02:56:02动物植物
研究确定了美国地区和政策目标下可持续航空燃料的最佳生物能源作物

Researchers analyzed the financial and environmental costs and benefits of four biofuels crops used to produce sustainable aviation fuels in the U.S. They found that each feedstock—corn stover, energy sorghum, miscanthus or switchgrass—performed best in a

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2024-08-28 02:52:58前沿信息
茶叶酿造出银纳米粒子,用于发展中国家的伤口愈合

Wound infections, particularly associated with burns, are a serious health problem causing high morbidity and mortality. Aside from hygiene and basic dressings, antibiotics are the standard treatment for serious wounds. However, cost, access, and emerging

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2024-08-28 02:43:55动物植物
研究表明,产卵哺乳动物内外都是独一无二的

The identification of a key gene in monotremes has increased our understanding of why the stomachs of platypuses and echidnas are atypically small, non-acidic, and, in the instance of platypuses, lack a pyloric sphincter.

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2024-08-28 02:36:19前沿信息
高速原子力显微镜研究为甲型流感病毒复制提供了见解

Researchers at Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, IMDEA Nanoscience (Madrid, Spain) and CNB-CSIC (Madrid, Spain) report in ACS Nano experiments that reveal a cycle of conformational stages that recombinant Influenza A genomes

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2024-08-28 02:29:31动物植物
下一代生物传感器揭示赤霉素在豆类固氮中的关键作用

Researchers at the University of Cambridge have demonstrated that the plant hormone gibberellin (GA) is essential for the formation and maturation of nitrogen-fixing root nodules in legumes and can also increase nodule size. They identified the specific t

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2024-08-28 02:24:47前沿信息
分子从金属碳纳米管中获得动力

A Lawrence Livermore National Laboratory (LLNL) team has found that pure metallic carbon nanotubes are best at transporting molecules.

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2024-08-28 02:17:29动物植物
自然旱地保护严重不足:研究预测人类土地利用转换将带来重大威胁

Drylands cover about 42% of the Earth's land surface and are increasingly threatened by human land-use pressures like agriculture, alternative energy sources, overgrazing and climate change. Up to a third of the global human population living in drylands

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2024-08-28 02:11:32前沿信息
汽车行业铝纳米复合材料的首次3D可视化

Manufacturing cars with strong, lightweight aluminum alloys rather than steel could improve fuel efficiency and extend electric vehicle range, but the material's instability at high temperatures has held the alloys back from widespread adoption.

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