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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2024-08-22 06:37:58动物植物
干细胞治疗的进展:操纵干细胞的新技术为新的治疗方法打开了大门

A new technique developed by McGill researchers for mechanically manipulating stem cells could lead to new stem cell treatments, which have yet to fulfill their therapeutic potential.

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2024-07-22 20:31:54动物植物
生物学家发现雄性大象使用次声隆隆声发出“我们走”的信号

Bull elephants gather in the evening coolness to drink. After a spell, a senior male lifts his head and turns from the waterhole. With ears flapping gently, he lets out a deep, resonant rumble.

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2024-07-21 20:22:33动物植物
野生动物的垫脚石:连接孤立的栖息地如何帮助自然在我们的城市中茁壮成长

Imagine you're a fairywren living in a patch of scrub behind a schoolyard in the suburbs. It's been pretty nice so far, but a recent increase in neighborhood cats and the council's insect control tactics mean it's time to look for somewhere safer to l

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2024-07-21 00:41:12动物植物
大自然的性别揭示:关键基因控制西葫芦雌花

Sex determination in cucurbits such as squash is influenced by a complex interplay of environmental, hormonal, and genetic factors, with ethylene being the primary hormone promoting female flower development.

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2024-07-21 00:30:26动物植物
起泡有益:氢纳米气泡增强番茄抗氧化剂

Tomatoes are a key source of antioxidants, crucial for human health as they help combat oxidative stress. Traditional irrigation methods often fail to significantly enhance these beneficial compounds in crops. Hydrogen, known for its unique antioxidant pr

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2024-07-21 00:19:06动物植物
科学家发现菠萝皮着色背后的分子机制

Pineapple peel coloration, especially the red hue, significantly enhances its commercial and aesthetic value. However, the genetic mechanisms driving this trait are not well understood, complicating breeding efforts for red-skinned varieties.

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2024-07-21 00:08:35动物植物
研究人员揭示了在线社区在帮助受宠物盗窃影响的人方面的关键作用

Social media and online communities can play a crucial role for owners searching for their stolen pets, researchers have revealed, both in physically tracking them down and as a source of comfort after their loss.

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