2024-09-10 17:59:28前沿信息
新的质谱技术可以改变微小样品分析

Mass spectrometry is a powerful technique that allows scientists to break down and identify the building blocks of just about anything by measuring the mass of the tiny particles of which something is comprised. It has a major limitation, however—about 99

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2024-09-10 17:48:52前沿信息
利用声波从唾液中分离病毒用于治疗研究

Developing antiviral therapeutics and vaccines requires close study of the viruses that cause disease. But how can these small germs be isolated from complex biological samples like saliva?

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2024-09-10 17:32:34前沿信息
银纳米粒子和一种新的传感方法可以对抗抗生素抗性生物膜

From safeguarding our food supply to preventing hospital infections, the battle against antibiotic-resistant bacteria is a growing challenge. Some bacteria can form biofilms, thick aggregates of millions of individual cells surrounded by protective mucus-

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2024-09-10 17:16:46前沿信息
通过实时纳米级成像揭示共晶凝固的基本原理

During eutectic solidification, a mixture of two or more solids self-assemble, forming composite microstructures ranging from ordered layers to intricate maze-like patterns that underlie properties like tensile strength or ductility.

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2024-09-10 17:03:18前沿信息
开源软件通过扫描隧道显微镜自动化帮助简化二维材料研究

A new open-source software package developed by Monash University researcher Julian Ceddia aims to significantly streamline the study of materials using scanning tunneling microscopes (STMs).

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2024-09-08 17:00:02前沿信息
纳米银具有内在的自愈能力,无需外部干预

As an innovative concept in materials science and engineering, the inspiration for self-healing materials comes from living organisms that have the innate ability to self-heal. Along this line, the search for self-healing materials has been generally focu

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2024-09-07 21:36:37动物植物
研究表明,古老的基因使蜘蛛的腰围变细

An ancient gene is crucial for the development of the distinctive waist that divides the spider body plan in two, according to a study published August 29 in the open-access journal PLOS Biology by Emily Setton from the University of Wisconsin-Madison, US

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2024-09-07 21:26:31动物植物
海底结核病:一种海洋海绵微生物为细菌的进化提供了见解

The surprising discovery of a bacterium in a marine sponge from the Great Barrier Reef with striking similarity to Mycobacterium tuberculosis, the pathogen responsible for tuberculosis (TB), could unlock and inform future TB research and treatment strateg

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2024-09-07 21:15:32动物植物
根据新的预测,面临灭绝风险的鱼类物种数量比之前的估计高出五倍

Researchers predict that 12.7% of marine teleost fish species are at risk of extinction, up five-fold from the International Union for Conservation of Nature's prior estimate of 2.5%.

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2024-09-07 21:01:12动物植物
研究人员绘制了人类基因组中50000个神秘的DNA“结”

Researchers have mapped 50,000 of DNA's mysterious "knots" in the human genome. The innovative study of DNA's hidden structures may open up new approaches for treatment and diagnosis of diseases, including cancer.

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2024-09-07 20:49:45动物植物
揭开狨猴的秘密通讯:它们有名字

A new study from Hebrew University reveals that marmoset monkeys use specific calls, known as "phee-calls," to name each other, a behavior previously known to exist only in humans, dolphins, and elephants. This discovery highlights the complexit

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2024-09-07 20:36:05动物植物
科学家揭开了关键蛋白质如何将DNA转化为RNA的秘密

Researchers at the Department of Energy's SLAC National Accelerator Laboratory have uncovered new insights into the fundamental mechanisms of RNA polymerase II (Pol II), the protein responsible for transcribing DNA into RNA. Their study shows how the pro

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