2025-04-20 21:08:33前沿信息
检测体液中的纳米塑料:结合光流体力和拉曼光谱的新方法

Microplastics and much smaller nanoplastics enter the human body in various ways, for example through food or the air we breathe. A large proportion is excreted, but a certain amount remains in organs, blood, and other body fluids.

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2025-04-20 20:56:27动物植物
科学家绘制了一只老鼠大脑的一部分,它非常复杂,看起来像一个星系

Thanks to a mouse watching clips from "The Matrix," scientists have created the largest functional map of a brain to date—a diagram of the wiring connecting 84,000 neurons as they fire off messages.

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2025-04-20 20:52:05前沿信息
分子纳米笼可以从水中去除80-90%的PFAS

Researchers have created a molecular nanocage that captures the bulk of per- and polyfluoroalkyl substances, or PFAS, found in water—and it works better than traditional filtering techniques that use activated carbon. Made of organic nanoporous material d

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2025-04-20 20:45:01动物植物
即使是亚致死剂量的杀虫剂也可能扰乱传粉者的交配过程

Insecticides can help protect crops against troublesome pests, but they also pose a risk for beneficial insects such as pollinators. A study led by researchers at Penn State provides insight into how even sublethal doses of insecticides can negatively aff

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2025-04-20 20:40:13前沿信息
超薄柔性硅纳米传感器可能对脑损伤治疗产生巨大影响

A car accident, football game, or even a bad fall can lead to a serious or fatal head injury. Annually, traumatic brain injuries (TBI) cause half a million permanent disabilities and 50,000 deaths. Monitoring pressure inside the skull is key to treating T

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2025-04-20 20:30:48动物植物
科学家发现果蝇幼虫可以感知电场

While it may be an unfamiliar sensation to humans, electroreception is relatively commonplace in the animal kingdom. Sharks, bees and even the platypus all share this ability to detect electric fields in their environment.

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2025-04-20 20:26:03前沿信息
显微镜方法突破了纳米级化学成像的障碍

Today's super-resolution microscopes have made it possible to observe the nanoscale world with unprecedented detail. However, they require fluorescent tags, which reveal structural details but provide little chemical information about the samples being s

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2025-04-20 20:19:03动物植物
不合时宜的开始:狐猴宝宝唱得不协调,就像人类的孩子一样

A study led by primatologist Dr. Chiara De Gregorio from the University of Warwick has found that Madagascar's singing lemurs, the indris (Indri indri), sing out of tune in infancy and improve as adults, just like a human child learning to control their

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2025-04-20 20:13:32前沿信息
揭示扭曲:超分子手性的光驱动反转

Self-assembly or self-organization in molecular science refers to the phenomena where molecules spontaneously gather and form ordered structures, a unique property of materials used to develop optical and electronic materials.

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2025-04-20 20:05:11动物植物
综合结构研究中捕获的染色质重塑

Chromatin remodeling plays a vital role in gene regulation, affecting how DNA is accessed. Disruptions in this process can also lead to cancer and other diseases.

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2025-04-20 19:56:57前沿信息
可扩展的石墨烯膜可以增强碳捕获能力

Capturing carbon dioxide (CO2) from industrial emissions is crucial in the fight against climate change. But current methods, like chemical absorption, are expensive and energy-intensive. Scientists have long eyed graphene—an atom-thin, ultra-strong mater

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2025-04-20 19:50:19动物植物
科学家们开发了一种扩大空间基因组学规模和降低成本的方法

Spatial transcriptomics technologies opened the door for new kinds of biological measurements, allowing scientists to generate detailed maps of where genes are expressed in tissue. But most methods rely on expensive and time-intensive imaging that require

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