查看完整版本: 微生物的自组装现象对纳米技术的启示,Superbugs, shapes and nanotechnology

nano 2007-09-07 08:18

微生物的自组装现象对纳米技术的启示,Superbugs, shapes and nanotechnology

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D[&Nx"k~R [b]【纳米科技世界快讯】A common hospital superbug called Clostridium has a protective coat of armour that can self assemble when put into a test tube on its own, which may have important commercial uses in nanotechnology, according to scientists speaking today at the Society for General Microbiology's 161st Meeting at the University of Edinburgh, UK. [/b]$Qk)J?3@ Ib,]"{!LU

m$YP)\$k%Q Like many other micro-organisms, Clostridium difficile produces a lattice coat made of proteins to surround its cell wall and protect it like a suit of armour. The complete protein coat is then attached to the underlying cell wall with chemical bonds.
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"We have discovered that these protein coats have a remarkable ability to self-assemble when they are taken off the bacteria and put into a test tube. Normally, on the bacteria, the proteins are not randomly arranged, they form regularly spaced geometrically arranged shapes, a bit like the rings in chain mail¡", says Dr Neil Fairweather of Imperial College London, UK. "We discovered that the proteins can do the same thing, and form the same distinct layers and shape, on their own in a test tube¡".q7jioS@:z

C5eqr0|.s!d This finding opens up two areas of research for the science teams. It may lead to new ways of fighting hospital superbugs like Clostridium difficile by exposing weaknesses in the coats, or by identifying new target molecules. And in the new field of nanotechnology, where tiny particles are currently used in sunscreens and other products, finding ways to make molecules self assemble themselves into regular shapes could have important commercial applications.P `,?BV?4sp

C6b\7|\hD0Z W*a "The field of nanotechnology is opening up to many new areas, and our research points to applications for this exciting technology in fighting superbugs like C. difficile¡" says Dr Fairweather. y-Ke z2JZw&n

#oN:j7NK^!rg Source: Society for General Microbiology

hjlyyc 2007-09-07 11:08

回复 #1 nano 的帖子

sf!u0lS}L
挺有意思的!高水平的东西很多都是从自然界获取一些信息,然后用人工的方法制的并阐明道理!顶一下!

leotron 2007-09-07 13:19

In a sense, nanotechnology and many other technologies all can be considered as the reversing engineering of organism. Nature shows us all the secrets, just waiting for us to find them.Thus, it's quite necessary to learn from the arounding world including ourselves.

lzhm101 2007-09-13 19:47

好                 学习中

fromhell 2007-10-14 19:39

:victory: :victory: :victory:

凝心如一 2007-10-30 10:34

In a sense, nanotechnology and many other technologies all can be considered as the reversing engineering of organism. Nature shows us all the secrets, just waiting for us to find them.Thus, it's quite necessary to learn from the arounding world including ourselves.

yunzhan 2008-05-12 23:14

回复 1# 的帖子

就是的 江西有一个教授从爬山虎的研究中发现了  它也是用 发射纳米粒子 而锚在墙上的
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呵呵 因此发了好多文章
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