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Tag Archive | "bacteria"

New Enzyme Could Revolutionize Plastic Production

Saturday, November 15, 2008

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Polymethyl methacrylate (PMMA for short) is a thermoplastic and transparent plastic that’s called acrylic glass for short. In the not so distant future it could be made from natural products such as sugars, alcohols or fatty acids. This process is much more environmentally friendly than the process used now. PMMA is manufactured by polymerising methyl methacrylate [...]

The mystery of bleach solved at last

Friday, November 14, 2008

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You may find it very hard to believe that for over 200 years, scientists have known that bleach kills germs without being able to understand how this happens. Just a few days ago U.S. scientists managed to find how bleach does its dirty work. The active ingredient is hypochlorous acid (HOCl); this acid attacks the proteins [...]

Suicidal bacteria illustrates evolution of co-operation

Saturday, August 23, 2008

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Bacteria have sometimes behaviour that can amaze scientists, by its complexity and efficiency. Salmonella can commit suicide and help their “brothers” to establish infections that are more damaging, thus helping their species. But scientists believe they have found the answer to this surprising kamikaze behavior. This phenomenon which is called self-destructive cooperation often helps Salmonella typhimurium [...]

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