Shinobu Kudoh

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A severe peak tailing was observed for adenosine 5'-monophosphate in flow injection analysis with stainless steel tubing and water/methanol mixture (1:1, v/v) as carrier. The cause of the peak tailing was investigated by focusing on the chemical structure of the analytes, the material used for the analytical systems and the composition of the carrier. We(More)
A highly sensitive simultaneous quantitative method for a cassette cold-microdosing study on celiprolol and atenolol was developed with liquid chromatography-tandem mass spectrometry. The method utilizes a combination of solid-phase extraction (SPE) with strong cation exchange (SCX) cartridge columns and reversed-phase chromatography with an ODS analytical(More)
A novel method for the analysis of endogenous lipids and related compounds was developed employing hydrophilic interaction liquid chromatography with electrospray ionization tandem mass spectrometry. A hydrophilic interaction liquid chromatography with carbamoyl stationary phase achieved clear separation of phosphatidylcholine, lysophosphatidylcholine,(More)
Distributed Video Coding (DVC) has recently been attracting attention because it encodes frames independently without taking heavy computation at the inter-frame prediction coding. This paper proposes to introduce super resolution technique in conventional wavelet-based DVC utilizing JPEG2000. New key frame determination algorithm exploiting block(More)
Bioanalysis in Pharmaceutical Research & Development has been at the crossroad of science, technology, and regulations from its onset [1]. The first American Association of Pharmaceutical Scientists (AAPS)/Food and Drug Administration (FDA) Bioanalytical Workshop in 1990 in Crystal City, USA (CCI) was a major landmark for the industry to agree on execution(More)
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