• 新分子有助改进火箭燃料

    10-12-23 Trinitramid that's the name of the new molecule that may be a component in future rocket fuel. This fuel could be 20-30 percent more efficient in comparison with the best rocket fuels we have today. The discovery was made at the Royal Institute of T...

  • 科学家发现可同时反应的链式分子

    10-12-13 In the burgeoning(生机勃勃的) field of nano-science there are now many ways of 'writing' molecular-scale messages on a surface, one molecule at a time. The trouble is that writing a molecule at a time takes a very long time. It is much better if t...

  • 市售石榴汁的纯度鉴定

    10-11-30 You pick up a bottle of pomegranate juice(石榴汁) at the store because you've learned that, although it costs more than most juices, it is replete(充满的) with antioxidants that bring health benefits. But wait: Is the juice you've purchased real...

  • 化学家设计出可回应刺激的微粒

    10-11-24 The venus flytrap(捕蝇草) plant captures its prey when it senses the presence of an insect on the tips of its leaves. An amphiphilic(两性分子的) molecule designed by chemists at The City College of New York acts in a similar manner by changing i...

  • 某超级病菌的中枢控制器被发现

    10-06-04 McMaster University researchers have discovered a central controller or processing unit (CPU) of a superbug's weaponry(兵器,武器) . An article on the breakthrough appears in the high-impact journal Science today. The team from the Michael G. DeGr...

  • 研究人员破解蛋白质双重职能之谜

    09-12-14 Researchers at The Scripps思科利普斯 Research Institute have solved a 10-year-old mystery of how a single protein from an ancient family of enzymes酶类,酵素 can have two completely distinct roles in the body. In addition to除之外 providing guidance...

  • 科学家发现疟原虫瞒骗人类免疫系统的方式

    09-12-01 Malaria parasites(疟原虫) are able to disguise(假装,伪装) themselves to avoid the host's immune system, according to research funded by the Wellcome Trust and published today in the journal Proceedings of the National Academy of Sciences. Malar...

  • 斯克里普斯研究所发现对付血癌的新方法

    09-12-01 A study led by a Scripps Research Institute scientist describes a new, highly pragmatic approach(实际的方法) to the identification of molecules that prevent a specific type of immune cells from attacking their host. The findings add a powerful new...

  • 科学家发现细菌之间如何相互交流

    09-11-09 Using imaging mass spectrometry(质谱测定法), researchers at the University of California, San Diego have developed tools that will enable scientists to visualize how different cell populations of cells communicate. Their study shows how bacteria t...

  • Single molecule's stunning image 单分子结构被影象记录

    09-08-29 The detailed chemical structure of a single molecule has been imaged for the first time, say researchers. 研究人员称,单个分子的详细的化学结构第一次被影象记录下来。 Even the bonds to the hydrogen atoms at the pentacene's periphery can be seen The ph...