2023-11-21 13:16:18物质与能量
筛查旧尿液样本的新方法揭示了以前未被发现的“设计药物”

Researchers from the University of B.C. and the BC Provincial Toxicology Centre (BCPTC) have developed a more efficient way to find out which new 'designer drugs' are circulating in the community.

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2023-11-21 13:16:17物质与能量
新型激光装置用超快脉冲探测超材料结构

Metamaterials are products of engineering wizardry. They are made from everyday polymers, ceramics, and metals. And when constructed precisely at the microscale, in intricate architectures, these ordinary materials can take on extraordinary properties.

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2023-11-21 13:16:16物质与能量
科学家在实验室培育的皮肤上3D打印毛囊

A team led by scientists at Rensselaer Polytechnic Institute has 3D-printed hair follicles in human skin tissue cultured in the lab. This marks the first time researchers have used the technology to generate hair follicles, which play an important role in

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2023-11-21 13:16:15物质与能量
研究表明,气候工程可以减缓南极冰层的流失

Scattering sunlight-reflecting particles in the atmosphere could slow rapid melting in West Antarctica and reduce the risk of catastrophic sea-level rise, according to a study led by Indiana University researchers.

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2023-11-21 13:16:14物质与能量
近藤效应之谜最终在细线中解决

A team of physicists at the University of Cologne has solved a long-standing problem of condensed matter physics: they have directly observed the Kondo effect (the re-grouping of electrons in a metal caused by magnetic impurities) visible in a single arti

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2023-11-21 13:16:14物质与能量
湿地感染禽流感的监测及其发现

Recently, morning omelets and holiday dinners have gotten more expensive. One likely cause is bird flu, outbreaks of which led to the deaths of millions of chickens and turkeys from infection or culling in 2022, according to the U.S. Department of Agricul

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2023-11-21 13:16:13物质与能量
一种新型无人车防滑系统

Given the hostile conditions of extraterrestrial environments, unmanned rovers play a critical role in the exploration of planets and moons. NASA's Mars and lunar exploration rovers have significantly contributed to our understanding of these extraterres

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2023-11-21 13:16:13物质与能量
用于优化癌症治疗的纳米粒子

Pancreatic cancer is one of the deadliest types of cancers in humans. It is the fourth leading cause of cancer-related deaths in the western world. The early stages of the disease often progress without symptoms, so diagnosis is usually very late. Another

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2023-11-21 13:16:12物质与能量
工程细菌生物合成复杂的蛋白质复合物

Protein cages found in nature within microbes help weather its contents from the harsh intracellular environment -- an observation with many bioengineering applications. Tokyo Tech researchers recently developed an innovative bioengineering approach using

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2023-11-21 13:16:12物质与能量
绿色氢气生产中水分解反应的改进

Green hydrogen (or H2) produced from renewable energy resources is the fuel of a decarbonized future. Electrolysis or splitting of water into oxygen and hydrogen with the help of an electrochemical cell is one of the most popular ways of produc

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2023-11-21 13:16:11物质与能量
使用或丢失:新的机器人系统评估中风后的行动能力

Stroke is a leading cause of long-term disability worldwide. Each year more than 15 million people worldwide have strokes, and three-quarters of stroke survivors will experience impairment, weakness and paralysis in their arms and hands.

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2023-11-21 13:16:10物质与能量
防止氢气车辆在急停时老化

When purchasing a smartphone, one of your primary considerations is typically finding a durable case and a screen protector to safeguard the device from external harm. Similarly, a group of researchers from POSTECH has recently garnered attention in the a

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