2024-08-27 20:31:55前沿信息
可调超表面可以在空间和时间上控制光,为无线通信信道提供路径

It is a scene many of us are familiar with: You're working on your laptop at the local coffee shop with maybe a half dozen other laptop users—each of you is trying to load websites or stream high-definition videos, and all are craving more bandwidth.

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2024-08-27 20:21:27前沿信息
研究将纳米粒子与氧化应激和神经元死亡联系起来

Researchers at the University of Kentucky have a better understanding of the regulation of extracellular vesicles by oxidative stress and how these vesicles spread oxidative stress and may damage neurons. Extracellular vesicles are nanoparticles released

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2024-08-27 20:09:52前沿信息
3D打印技术首次揭示纳米线的发光特性

Dr. Jaeyeon Pyo's team at the Korea Electrotechnology Research Institute (KERI) has become the first in the world to reveal light emission patterns from 3D-printed nanowires, which has been published as a cover article in the journal ACS Nano.

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2024-08-27 19:58:27前沿信息
新的3D重建方法有助于分析属性定义缺陷

An international research collaboration, including a group from Cornell Engineering, has applied a new X-ray-based reconstruction technique to observe, for the first time, topological defects in a nanoscale self-assembly-based cubic network structure of a

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2024-08-27 19:44:05前沿信息
改进靶向治疗用mRNA负载纳米载体的设计

Among the vastly different ways of tackling a disease, controlling the genetic expression of cells is undoubtedly one of the most powerful. Over the past few decades, scientists have come up with dozens of innovative strategies that involve using messenge

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2024-08-27 19:31:41前沿信息
新方法实现了可控调谐,评估了工程应用中二维材料的不稳定性

Two-dimensional (2D) materials have atomic-level thickness and excellent mechanical and physical properties, with broad application prospects in fields such as semiconductors, flexible devices, and composite materials.

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2024-08-27 19:20:51前沿信息
贝类废弃物的新用途:延长农产品的保质期

Crab shells might just have another role besides fodder for the compost bin. University of Maryland researchers have engineered a seafood-waste material that removes chemical pesticides and herbicides from produce and extends shelf life, a discovery that

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2024-08-27 19:07:56前沿信息
氮化铝钪薄膜:实现下一代铁电存储器件

Imagine a thin film, just nanometers thick, that could store gigabytes of data—enough for movies, video games, and videos. This is the exciting potential of ferroelectric materials for memory storage. These materials have a unique arrangement of ions, res

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2024-08-27 18:51:35前沿信息
有机聚合物共混微球表现出超低阈值激光,具有最高的报道品质因数

Researchers at IMDEA Nanociencia have fabricated high quality microspheres from conjugated organic polymer blends with excellent lasing properties. The laser emission of the microspheres has the highest quality factor reported to date, Q>18,000.

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2024-07-20 17:11:49前沿信息
新的纳米粒子递送方法靶向骨髓中的镰状细胞突变

Current gene therapies to treat sickle cell disease are complex, time-consuming, and are sometimes linked to serious side effects like infertility or blood cancer. To address these challenges, Johns Hopkins researchers have developed special nanoparticles

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2024-07-20 16:57:35前沿信息
创新显微镜揭示淀粉样蛋白结构,可能为神经退行性疾病提供见解

Amyloid-beta (A-beta) aggregates are tangles of proteins most notably associated with neurodegenerative diseases such as Alzheimer's. Despite its constant stint in the limelight, however, researchers have been unable to get a good understanding of how A-

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2024-07-19 17:49:02前沿信息
分子活板材料有望实现高选择性气体吸附

An international team led by scientists at City University of Hong Kong has found a flexible metal-organic framework (MOF) with one-dimensional channels that acts as a "molecular trapdoor" to selectively adsorb gases, such as carbon dioxide, in

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