H. Morita

Publications82
h-index14
Citations791
Highly Influential Citations36
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Alkaloids from the seeds of Peganum harmala showing antiplasmodial and vasorelaxant activities
Bioassay-guided purification from the seeds of Peganum harmala led to the isolation of harmine (1), harmaline (2), vasicinone (3), and deoxyvasicinone (4). Harmine (1) and harmaline (2) showed a… Expand
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A slack-based measure of efficiency in context-dependent data envelopment analysis
Data envelopment analysis (DEA) has been proven as an excellent data-oriented performance evaluation method when multiple inputs and outputs are present in a set of peer decision-making units (DMUs).… Expand
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Justidrusamides A–D, new 2-aminobenzyl alcohol derivatives from Justicia gendarussa
Justidrusamides A–D (1–4), four new alkaloids containing 2-aminobenzyl alcohol, succinic acid, and 2,3-dihydroxy-2-(1-hydroxyethyl) butanoic acid skeletons have been isolated from leaves of Justicia… Expand
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Studies on the constituents from the fruits of Phaleria macrocarpa
From the fruits of Phaleria macrocarpa, icariside C3 (1), phalerin (2), and mangiferin (3) were isolated and their structures were identified on the basis of spectroscopic data. Icariside C3 (1)… Expand
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Vasorelaxant effect of FR900359 from Ardisia crenata on rat aortic artery
A cyclic depsipeptide, FR900359, isolated from Ardisia crenata was evaluated for vasorelaxant effects on rat aortic arteries. FR900359 caused concentration-dependent relaxation (1 nM–10 μM) in… Expand
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Vasorelaxant activity of indole alkaloids from Tabernaemontana dichotoma
The aim of this study was to search for bioactive natural products from medicinal plants targeting vasorelaxant activity and we found the methanol extract from bark of Tabernaemontana dichotoma… Expand
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SELECTING INPUTS AND OUTPUTS IN DATA ENVELOPMENT ANALYSIS BY DESIGNING STATISTICAL EXPERIMENTS( Operations Research for Performance Evaluation)
TLDR
Data envelopment analysis (DEA) is a data oriented, non-parametric method to evaluate relative efficiency based on pre-selected inputs and outputs. Expand
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Efficiency improvement from multiple perspectives: An application to Japanese banking industry
The current study focuses on efficiency improvement for banking systems from multiple perspectives, which have different definitions of input/output about various attributes of a banking system. In… Expand
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Vasorelaxant effects on rat aortic artery by two types of indole alkaloids, naucline and cadamine
Two indole alkaloids, naucline from Nauclea officinalis and cadamine from Ochreinauclea maingayii, were individually evaluated for vasorelaxant effects on phenylephrine-precontracted aortic rings.… Expand
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Lycobelines A–C, Novel C16N2-type Lycopodium alkaloids from Huperzia goebelii
Abstract Novel C 16 N 2 -type Lycopodium alkaloids consisting of a decahydroquinoline with an aminohexyl side chain, lycobelines A–C ( 1 – 3 ), were isolated from the club moss of Huperzia goebelii ,… Expand
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