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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 materials for ethanol production to sugar form at high temperatures. The enzyme can withstand temperatures above 70Β°C up to 90-100Β°C without sacrificing its high sugar conversion efficiency. This compares to about 65Β°C with conventional enzymes. It also reduces the amount of residue generated during the process by 80% compared with conventional enzymes.
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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.