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two different polymerization catalysts and diethyl zinc which 'shuttles' between them. The process is expected to be used commercially to make tailored block copolymers having unusual properties.
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## New enzyme efficiently decomposes cellulose Thermostable Enzyme Laboratory, a bioventure based in Osaka, Japan, has created a novel enzyme to improve the efficiency of bioethanol manufacture. The new enzyme is highly resistant to heat and effective in decomposing starch, cellulose and other raw
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