2025-05-09 20:20:30动物植物
进化分析揭示了保护哺乳动物免受衰老和疾病的蛋白质变化

Over recent decades, humanity has witnessed a remarkable and continuous increase in lifespan. However, this advancement has been accompanied by a growing aging population, increasingly affected by age-related diseases such as cancer, neurodegeneration, an

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2025-05-09 20:11:02前沿信息
工程化细胞外囊泡有助于输送先进药物

Researchers at Karolinska Institutet have developed a technique that enables efficient delivery of therapeutic proteins and RNA to cells. The method, published in Nature Communications, shows promising results in animal studies to deliver gene editors and

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2025-05-09 20:08:23动物植物
扁虫研究表明,干细胞需要位置信号来驱动再生

Scientists at the National Cancer Institute and partnering institutions have discovered that Schmidtea polychroa, a flatworm capable of regenerating lost tissue, develops this ability progressively during early life stages. Whole-body regeneration emerges

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2025-05-09 19:58:09前沿信息
科学家开发了创新的气溶胶系统来构建不对称的上层建筑

A research team has developed a novel aerosol-based emulsion system that enables the self-assembly of asymmetric nanostructures—something long considered a major challenge in materials science. The team includes researchers from the Hefei Institutes of Ph

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2025-05-09 19:55:02动物植物
实时成像揭示了病毒如何通过肠道微生物群传播

Researchers at the University of California, Irvine have developed a live-imaging system, Phollow, that tracks individual bacteriophages as they spread through the gut of zebrafish, showing that phages from different bacterial hosts vary in how they repli

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2025-05-09 19:45:25前沿信息
优化金纳米粒子,实现更好的医学成像、药物输送和癌症治疗

Health care professionals use tiny particles of gold (nanoparticles) for a variety of medical applications—from diagnostic imaging to cancer treatment. Gold works well for these applications because it doesn't cause adverse reactions inside the body, it

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2025-05-09 19:42:25动物植物
入侵杂草威胁南加州的沙漠

Once thought resistant to invasion, regional deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and reducing the desert's ability to recover from extreme climate swi

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2025-05-09 19:31:15前沿信息
第一个纤锌矿结构的MgSiN₂ 薄膜释放出有前景的电子特性

Wurtzite-structured crystals, characterized by their hexagonal symmetry, are widely valued for their unique electronic and piezoelectric properties—their ability to generate an electric charge when subjected to mechanical stress. Among these, gallium nitr

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2025-05-09 19:16:26前沿信息
人工膜通道可更有效地提取稀土元素

A more efficient and environmentally friendly approach to extracting rare earth elements that power everything from electric vehicle batteries to smartphones could increase domestic supply and decrease reliance on costly imports.

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2025-05-09 19:05:35前沿信息
科学家开发出丝微针,为植物提供营养和化学物质

When farmers apply pesticides to their crops, 30 to 50% of the chemicals end up in the air or soil instead of on the plants. Now, a team of researchers from MIT and Singapore has developed a much more precise way to deliver substances to plants: tiny need

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2025-05-09 18:55:15前沿信息
微小的磁性丝铁颗粒可以将药物直接引导到难以到达的疾病部位

What if doctors could guide life-saving treatments through the body using only a magnet? An interdisciplinary collaboration at the University of Pittsburgh's Swanson School of Engineering is bringing that concept closer to reality with the development of

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2025-05-09 18:42:50前沿信息
特殊点提高了用于气体检测的表面声波传感器的灵敏度

In an advance in microsensor technology, researchers have unveiled an ultra-sensitive gas detection method using surface acoustic wave (SAW) sensors enhanced by the physics of exceptional points (EPs). These EPs, phenomena from non-Hermitian systems where

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