Eitaroh Shimizu

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Enzyme activities of 2-oxoglutarate dehydrogenase complex and glutamate dehydrogenase of wild type Brevibacterium lactofermentum, one of the typical glutamate-producing coryneform bacteria, were investigated by using cells cultured under glutamate-productive and glutamate-non-productive conditions. Significant reduction of the former enzyme activity was(More)
Using three-dimensional finite element analysis (3D-FEA), stress distributions in the remaining radicular tooth structure were investigated under the condition of varying diameters of fiber post for fiber post-reinforced composite resin cores (fiber post and core) in maxillary central incisors. Four 3D-FEA models were constructed: (1) fiber post (ø1.2,(More)
We had constructed an L-threonine-hyperproducing strain of E. coli K-12 by recombinant DNA techniques. In this paper, culture conditions for the practical production of L-threonine were investigated using this strain. Cultivation temperature, concentration of required amino acids, and dissolved oxygen greatly influenced the yield of L-threonine. High(More)
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