Shinsuke Dote

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A new and sensitive gas chromatographic-mass spectrometric (GC-MS) assay for routine analysis of clonidine in human plasma is described. Quantification is carried out with simple electron-impact ionization mass spectrometry and solid-phase cartridges for preliminary extraction from plasma. The pentafluorobenzyl derivative of clonidine yields an intense ion(More)
The antihypertensive effects of a new transdermal delivery system for clonidine (clonidine tape; M-5041T) were investigated in spontaneously hypertensive rats and normotensive Wistar-Kyoto rats. In spontaneously hypertensive rats, M-5041T, at doses of 0.5-4.5 mg/kg (1.25-11.25 cm2/kg), produced a dose-dependent decrease of both systolic blood pressure and(More)
Two kinds of oils, pure perilla oil and a blend of perilla oil with palm oil, and their enzymatically interesterified oils having the same fatty acid compositions but with different compositions of triacylglycerol (TAG) species, were studied. In particular, the effects of TAG molecular species on the oxidation resistance of oils containing α-linolenic acid(More)
1. The effects of a transdermal clonidine delivery system (M-5041T) on EEG sleep pattern with relation to plasma concentrations in unrestrained rabbits were investigated and compared with those of intravenous (i.v.) administration of clonidine. 2. Although M-5041T did not affect the EEG recorded from cortex and hippocampus at doses up to 2.5 mg/kg, slow(More)
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