2024-07-12 17:13:56前沿信息
合成非晶态金属有机骨架和配位聚合物的新方法

Researchers at Humboldt-Universität zu Berlin, led by Prof. Dr. Nicola Pinna, have made an advancement in nanotechnology, successfully extending the well-known Stöber method to synthesize amorphous metal-organic frameworks (MOFs) and coordination polymers

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2024-07-12 17:00:15前沿信息
新的合成方法提高了MoS₂的光电性能

An international research team led by Professor My Ali El Khakani of the Institut national de la recherche scientifique (INRS) has made a surprising discovery about the properties of molybdenum disulfide, also known as MoS2. The material is highly sought

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2024-07-12 02:21:53动物植物
全球合作如何帮助保护生物多样性

Ask a 10-year-old to name some extinct animals and they can usually rattle off ancient species such as the Tasmanian Tiger, Woolly Mammoth and Dodo. Some may even be able to tell you what the animals used to look like without searching online.

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2024-07-12 02:11:53动物植物
新发现的酶有助于致病真菌构建保护性细胞壁

Researchers at the School of Medicine have identified a novel enzyme involved in building the cell wall of Cryptococcus neoformans, a fungus that causes lung infections and potentially deadly cases of meningitis, primarily in people with AIDS. About 150,0

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2024-07-12 01:59:25动物植物
开发了一种用于检测水稻种子内部裂纹的无损检测方法

Recently, a team led by Prof. Wang Rujing and Wang Liusan from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, developed a method to detect internal cracks in rice seeds using near-infrared spectroscopy.

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2024-07-12 01:44:37动物植物
岛屿生物地理学理论和栖息地异质性有助于解释杜鹃花多样性的全球模式

Mountains are defined by their prominence, steep sides, and significant height above the surrounding regions. They harbor exceptionally high levels of biodiversity and a great number of endemic species worldwide, which are also extremely sensitive to the

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2024-07-12 01:33:36动物植物
细胞内机制显示促进致命细菌感染的传播

Northwestern Medicine investigators have discovered novel protein mechanisms that promote the rapid spread of Vibrio vulnificus, a rare but lethal bacteria that can cause vibriosis and sepsis, according to findings published in the Proceedings of the Nati

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2024-07-12 01:22:33动物植物
卵细胞维护:长寿命蛋白质可能对生育能力至关重要

Female mammals—including humans—are born with all of their egg cells. Of a woman's one to two million egg cells, about 400 mature before menopause and can be fertilized. Some egg cells therefore survive for several decades—and need to remain functional o

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2024-07-12 01:07:48动物植物
活宿主的全基因组筛查揭示了寄生虫感染的新秘密

Apicomplexan parasites are a common cause of disease, infecting hundreds of millions of people each year. They are responsible for spreading malaria; cryptosporidiosis—a severe childhood diarrheal disease; and toxoplasmosis—a disease that endangers immune

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2024-07-12 00:53:32动物植物
伤寒细菌的多样性与较高的死亡率有关

Worldwide, 20% of the bacterial strains that cause typhoid fever have genetic variations in their external layer, called Vi capsule, that provide higher virulence, higher infectivity and high antibiotic resistance, Cornell researchers have discovered, pos

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2024-07-12 00:40:35动物植物
一项新的研究表明,古代大型袋鼠主要靠四条腿移动

A type of extinct kangaroo that lived during the Pleistocene around two and a half million to 10 thousand years ago, known as the "giant wallaby," was a poor hopper, a study by scientists at the University of Bristol has found.

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2024-07-12 00:29:20动物植物
病毒数据的“牺牲”为打开疾病发现管道扫清了道路

Tens of millions of still-unknown or misunderstood viruses can cause diseases—including new pandemics—and affect the health of valuable terrestrial and marine environments.

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