2024-04-09 11:42:03前沿信息
信使核糖核酸必须被包裹在脂质外壳中才能用作疫苗吗?

The Uchida Laboratory of Innovation Center of NanoMedicine has demonstrated that intradermal administration of mRNA alone (naked mRNA) without protection by nanoparticles induced robust vaccination against SARS CoV-2, a virus causing COVID-19, in mice and

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2024-04-09 11:30:59动物植物
研究人员使60年前休眠的藻类细胞复活

New research at Åbo Akademi University, Finland, has managed to circumvent previous challenges in finding out how microalgae adapt to global warming by studying up to 60-year-old microalgae cells from the Archipelago Sea. Some microalgae form resting cell

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2024-04-09 11:28:29前沿信息
新型分子化合物的设计具有纳米级的技术应用

A team led by the Laboratory of Molecular Nanoscience of the Faculty of Chemistry at the University of Barcelona has designed a new molecular compound based on gadolinium (Gd), a chemical element that can generate a magnetocaloric effect, that is of parti

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2024-04-09 11:20:29动物植物
蚊子幼虫的内脏如何帮助产生高度特异性的杀虫剂

Did you know that the world's deadliest animal is the mosquito? And Aedes aegypti is one of the most dangerous. This bug spreads viruses that cause dengue fever, which was recently declared as an epidemic in Puerto Rico.

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2024-04-09 11:13:49前沿信息
一种新的制造技术将过渡金属碲化物纳米片从实验室带到大规模生产

Transition metal telluride nanosheets have shown enormous promise for fundamental research and other applications across a rainbow of different fields, but until now, mass fabrication has been impossible, leaving the material as something of a laboratory

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2024-04-09 11:05:57动物植物
地中海海生蠕虫长出了“像磨石一样大”的眼睛

Scientists are amazed at the discovery of a bristle worm with such sharp-seeing eyes that they can measure up to those of mammals and octopuses. Researchers from the University of Copenhagen and Lund University suspect that these marine worms may have a s

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2024-04-09 11:02:41前沿信息
“电子分子”:研究表明中子可以与量子点结合

Neutrons are subatomic particles that have no electric charge, unlike protons and electrons. That means that while the electromagnetic force is responsible for most of the interactions between radiation and materials, neutrons are essentially immune to th

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2024-04-09 10:54:32动物植物
研究人员绘制了不同生命阶段线粒体的结构图

Mitochondria, organelles with an inner and outer membrane, are responsible for creating the energy that cells use to survive, and their morphology is key to accomplishing this task. The inner mitochondrial membrane contains folds, called cristae, that max

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2024-04-09 10:50:47前沿信息
用金纳米粒子改进传染病检测

By harnessing the power of composite polymer particles adorned with gold nanoparticles, a group of researchers have delivered a more accurate means of testing for infectious diseases. Details of their research are published in the journal Langmuir.

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2024-04-09 10:41:28动物植物
相同目的的不同手段:秀丽隐杆线虫如何保护其染色体

University of Michigan researchers have discovered that a worm commonly used in the study of biology uses a set of proteins unlike those seen in other studied organisms to protect the ends of its DNA.

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2024-04-09 10:39:27前沿信息
可生物降解气凝胶:来自3D打印机的Airy纤维素

At first glance, biodegradable materials, inks for 3D printing and aerogels don't seem to have much in common. All three have great potential for the future; however, "green" materials do not pollute the environment, 3D printing can produce com

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2024-04-09 10:29:26动物植物
科学家在噬菌体-细菌军备竞赛中发现新的噬菌体耐药性机制

One of the most abundant and deadliest organisms on Earth is a virus called a bacteriophage (phage). These predators have lethal precision against their targets—not humans, but bacteria. Different phages have evolved to target different bacteria

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