Stanley Murakami

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A simple hydrodynamic model is introduced to describe the airlift fiber-bed bioreactor, which can enhance the volumetric productivity of anchorage-dependent animal cell cultures. By applying the model, liquid flow rates and volumetric mass transfer coefficients are predicted and are in agreement with experimental measurements. Consequently, the optimal(More)
A concentric-cylinder airlift reactor, in which the annulus is a packed bed of glass fibers, has been developed in order to facilitate the scaleup and enhance the volumetric productivity of anchorage-dependent animal cell cultures. In this bio-reactor, oxygen-containing gas is sparged through the inner draft tube, causing bubble-free medium to flow through(More)
A liquid chromatographic-tandem mass spectrometric (LC-MS/MS) method was developed and applied for the determination of human Aβ1-40 and Aβ1-42 peptides in transgenic mouse plasma to support preclinical pharmacodynamics studies. The method consisted of micro-elution solid phase extraction for sample preparation and LC-MS/MS analysis in the negative ion mode(More)
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