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1

Cytotoxic activities of flavonoids from two Scutellaria plants in Chinese medicine

Maki Sonoda, Tadashi Nishiyama, Yoshizumi Matsukawa, Masataka Moriyasu

Journal:

Journal of Ethnopharmacology

Year:

2004

Language:

english

File:

PDF, 73 KB

english, 2004

2

Acyclic triterpenoids from Ekebergia capensis

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Yoko Tachibana, Atsushi Kato, Simon G. Mathenge, Joseph N. Nganga, Francis D. Juma

Journal:

Year:

1996

Language:

english

File:

PDF, 331 KB

english, 1996

3

New isoflavones from Belamcandae Rhizoma

Masataka Moriyasu, Yukari Igi, Momoyo Ichimaru, Kinuko Iwasa, Junko Kobayakawa, Fumiko Sato-Nishimori, Yoshizumi Matsukawa, Chiaki Nagase

Journal:

Journal of Natural Medicines

Year:

2007

Language:

english

File:

PDF, 182 KB

english, 2007

4

Online Structural Elucidation of Alkaloids and Other Constituents in Crude Extracts and Cultured Cells of Nandina domestica by Combination of LC-MS/MS, LC-NMR, and LC-CD Analyses

Iwasa, Kinuko, Takahashi, Teturo, Nishiyama, Yumi, Moriyasu, Masataka, Sugiura, Makiko, Takeuchi, Atsuko, Tode, Chisato, Tokuda, Harukuni, Takeda, Kazuyoshi

Journal:

Journal of Natural Products

Year:

2008

Language:

english

File:

PDF, 312 KB

english, 2008

5

Structural Elucidation of New Flavanones Isolated from Erythrina abyssinica

Ichimaru, Momoyo, Moriyasu, Masataka, Nishiyama, Yumi, Kato, Atsushi, Mathenge, Simon G., Juma, Fransis D., Nganga, Joseph N.

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 148 KB

english, 1996

6

In Vitro Cytotoxicity of the Protoberberine-Type Alkaloids

Iwasa, Kinuko, Moriyasu, Masataka, Yamori, Takao, Turuo, Takashi, Lee, Dong-Ung, Wiegrebe, Wolfgang

Journal:

Journal of Natural Products

Year:

2001

Language:

english

File:

PDF, 43 KB

english, 2001

7

A Tolerance Gene for Prenylated Flavonoid Encodes a 26S Proteasome Regulatory Subunit in Sophora flavescens

SHITAN, Nobukazu, KAMIMOTO, Yoshihisa, MINAMI, Shota, KUBO, Mizuki, ITO, Kozue, MORIYASU, Masataka, YAZAKI, Kazufumi

Journal:

Bioscience Biotechnology and Biochemistry

Year:

2011

Language:

english

File:

PDF, 124 KB

english, 2011

8

ChemInform Abstract: Structure—Activity Relationships of Quaternary Protoberberine Alkaloids Having an Antimalarial Activity.

Kinuko Iwasa, Yumi Nishiyama, Momoyo Ichimaru, Masataka Moriyasu, Hye-Sook Kim, Yusuke Wataya, Takao Yamori, Turuo Takashi, Dong-Ung Lee

Journal:

Year:

2000

File:

PDF, 27 KB

2000

9

ChemInform Abstract: A New Isoflavone Glycoside from Ceiba pentandra (L.) Gaertner

Hidenori Ueda, Norito Kaneda, Kazuko Kawanishi, Sergio Mello Alves, Masataka Moriyasu

Journal:

Year:

2002

File:

PDF, 27 KB

2002

10

Cytotoxic C-Benzylated Dihydrochalcones from Uvaria acuminata.

Momoyo Ichimaru, Noriyoshi Nakatani, Tomoko Takahashi, Yumi Nishiyama, Masataka Moriyasu, Atsushi Kato, Simon G. Mathenge, Francis D. Juma, Joseph N. Nganga

Journal:

Year:

2004

File:

PDF, 72 KB

2004

11

Quaternary isoquinoline alkaloids from Xylopia parviflora

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato, Simon G Mathenge, Patrick B Chalo Mutiso, Francis D Juma

Journal:

Year:

2004

Language:

english

File:

PDF, 241 KB

english, 2004

12

Potential cancer chemopreventive activity of simple isoquinolines, 1-benzylisoquinolines, and protoberberines

Wenhua Cui, Kinuko Iwasa, Harukuni Tokuda, Akiko Kashihara, Yosuke Mitani, Tomoko Hasegawa, Yumi Nishiyama, Masataka Moriyasu, Hoyoku Nishino, Miyoji Hanaoka, Chisato Mukai, Kazuyoshi Takeda

Journal:

Year:

2006

Language:

english

File:

PDF, 274 KB

english, 2006

13

Secondary and tertiary isoquinoline alkaloids from Xylopia parviflora

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato, Simon G. Mathenge, Patrick B. Chalo Mutiso, Francis D. Juma

Journal:

Year:

2006

Language:

english

File:

PDF, 155 KB

english, 2006

14

Studies on the reactions of PtCl2en, cis-Pt(NH3)2Cl2 and their aqua species with adenosine, deoxyadenosine and adenine using ion-pair HPLC

Satomi Murakami, Keiitsu Saito, Akihiko Muromatsu, Masataka Moriyasu, Atsushi Kato, Yohei Hashimoto

Journal:

Inorganica Chimica Acta

Year:

1988

Language:

english

File:

PDF, 973 KB

english, 1988

15

Microdetermination of stimulant drugs in urine by high-performance liquid chromatography

Masaru Endo, Hiromi Imamichi, Masataka Moriyasu, Yohei Hashimoto

Journal:

Journal of Chromatography A

Year:

1980

Language:

english

File:

PDF, 227 KB

english, 1980

16

Kinetic studies of fast equilibrium by means of high-performance liquid chromatography : XVI. Separation of tautomers of β-diketones and β-diketoamides

Masataka Moriyasu, Atsushi Kato, Yohei Hashimoto

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 398 KB

english, 1987

17

Kinetic studies of fast equilibrium by means of high-performance liquid chromatography : XV. Separation of tautomers of β-diketoesters

Masataka Moriyasu, Atsushi Kato, Yohei Hashimoto

Journal:

Journal of Chromatography A

Year:

1987

Language:

english

File:

PDF, 452 KB

english, 1987

18

High-performance liquid chromatographic determination of hinokitiol in cosmetics by the formation of difluoroborane compounds

Masaru Endo, Tetsuo Mizutani, Mitsuru Matsumura, Masataka Moriyasu, Momoyo Ichimaru, Atushi Kato, Yohei Hashimoto

Journal:

Journal of Chromatography A

Year:

1988

Language:

english

File:

PDF, 253 KB

english, 1988

19

High-performance liquid chromatographic determination Stevia components on a hydrophilic packed column

Yohei Hashimoto, Masataka Moriyasu, Shigeru Nakamura, Susumu Ishiguro, Masahiro Komuro

Journal:

Journal of Chromatography A

Year:

1978

Language:

english

File:

PDF, 175 KB

english, 1978

20

High-performance liquid chromatographic determination of the sweet component in sweet hydrangea

Yohei Hashimoto, Masataka Moriyasu, Yoshie Kanai, Masako Hirase

Journal:

Journal of Chromatography A

Year:

1979

Language:

english

File:

PDF, 222 KB

english, 1979

21

LC–NMR and LC–MS analysis of 2,3,10,11-oxygenated protoberberine metabolites in Corydalis cell cultures

Kinuko Iwasa, Ayako Kuribayashi, Makiko Sugiura, Masataka Moriyasu, Dong-Ung Lee, Wolfgang Wiegrebe

Journal:

Year:

2003

Language:

english

File:

PDF, 395 KB

english, 2003

22

Absolute configurations of two acyclic triterpenoids from Ekebergia capensis

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Atsushi Kato, Simon G Mathenge, Joseph N Nganga, Francis D Juma

Journal:

Year:

1999

Language:

english

File:

PDF, 131 KB

english, 1999

23

Highly regio- and chemo-selective γ-addition of benzylic group to N-alkoxycarbonylpyridiniuin salts by means of organotin reagent

Ryohei Yamaguchi, Masataka Moriyasu, Mituyosi Kawanisi

Journal:

Tetrahedron Letters

Year:

1986

Language:

english

File:

PDF, 173 KB

english, 1986

24

Structure-activity relationships of quaternary protoberberine alkaloids having an antimalarial activity

Kinuko Iwasa, Yumi Nishiyama, Momoyo Ichimaru, Masataka Moriyasu, Hye-Sook Kim, Yusuke Wataya, Takao Yamori, Turuo Takashi, Dong-Ung Lee

Journal:

European Journal of Medicinal Chemistry

Year:

1999

Language:

english

File:

PDF, 45 KB

english, 1999

25

Ion-pair and ion-suppression high performance liquid chromatographic analysis of alkaloidal constituents of Artabotrys monteiroae

Atsushi Kato, Masataka Moriyasu, Yumi Nishiyama, Momoyo Ichimaru, Francis D. Juma, John O. Ogeto

Journal:

Phytochemical Analysis

Year:

1993

Language:

english

File:

PDF, 349 KB

english, 1993

26

Examination of alkaloidal constituents of zanthoxylum usambarense by a combination of ion-pair extraction and ion-pair chromatography using sodium perchlorate

Atsushi Kato, Masataka Moriyasu, Momoyo Ichimaru, Yumi Nishiyama, Francis D. Juma, Joseph N. Nganga, Simon G. Mathenge, John O. Ogeto

Journal:

Phytochemical Analysis

Year:

1995

Language:

english

File:

PDF, 625 KB

english, 1995

27

Capacitance-conductance detector for high-pressure liquid chromatography. Application to alkaloids and fatty acids

Yohei Hashimoto, Masataka Moriyasu, Eiko Kato, Masaru Endo, Naohiko Miyamoto, Hiroshi Uchida

Journal:

Microchimica Acta

Year:

1978

Language:

english

File:

PDF, 363 KB

english, 1978

28

Quantitative analysis of phenethylamine derivatives by thin layer chromatography. Determination of psychotropic drugs and ephedra bases

Yohei Hashimoto, Masaru Endo, Keiko Tominaga, Shigeko Inuzuka, Masataka Moriyasu

Journal:

Microchimica Acta

Year:

1978

Language:

english

File:

PDF, 499 KB

english, 1978

29

Cytotoxic C-benzylated chalcone and other constituents ofEllipeiopsis cherrevensis

Lalita Wirasathien, Thitima Pengsuparp, Masataka Moriyasu, Kazuko Kawanishi, Rutt Suttisri

Journal:

Archives of Pharmacal Research

Year:

2006

Language:

english

File:

PDF, 558 KB

english, 2006

30

Tropane alkaloids fromErythroxylum emarginatum

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Maki Sonoda, Kinuko Iwasa, Atsushi Kato, Francis D. Juma, Simon G. Mathenge, Patrick B. Chalo Mutiso

Journal:

Journal of Natural Medicines

Year:

2007

Language:

english

File:

PDF, 130 KB

english, 2007

31

Hydroxyespintanol and schefflerichalcone: two new compounds fromUvaria scheffleri

Momoyo Ichimaru, Noriyoshi Nakatani, Masataka Moriyasu, Yumi Nishiyama, Atsushi Kato, Simon G. Mathenge, Francis D. Juma, Patrick B. ChaloMutiso

Journal:

Journal of Natural Medicines

Year:

2010

Language:

english

File:

PDF, 327 KB

english, 2010

32

Antinociceptive effects of the extracts ofXylopia parviflorabark and its alkaloidal components in experimental animals

Yumi Nishiyama, Masataka Moriyasu, Momoyo Ichimaru, Kinuko Iwasa, Atsushi Kato, Simon G. Mathenge, Patrick B. Chalo Mutiso, Francis D. Juma

Journal:

Journal of Natural Medicines

Year:

2010

Language:

english

File:

PDF, 242 KB

english, 2010

33

Chemical studies on the roots ofUvaria welwitschii

Masataka Moriyasu, Noriyoshi Nakatani, Momoyo Ichimaru, Yumi Nishiyama, Atsushi Kato, Simon G. Mathenge, Francis D. Juma, Patrick B. Chalo Mutiso

Journal:

Journal of Natural Medicines

Year:

2011

Language:

english

File:

PDF, 420 KB

english, 2011

34

A new acyclic diterpene acid and bioactive compounds fromKnema glauca

Noppadon Rangkaew, Rutt Suttisri, Masataka Moriyasu, Kazuko Kawanishi

Journal:

Archives of Pharmacal Research

Year:

2009

Language:

english

File:

PDF, 280 KB

english, 2009

35

Enantiomeric separation of racemic 1-benzyl-N-methyltetrahydroisoquinolines on chiral columns and chiral purity determinations of the O-methylated metabolites in plant cell cultures by HPLC-CD on-line coupling in combination with HPLC-MS

Kinuko Iwasa, Yasuhiro Doi, Teturo Takahashi, Wenhua Cui, Yumi Nishiyama, Chisato Tode, Masataka Moriyasu, Kazuyoshi Takeda, Hiromichi Minami, Nobuhiro Ikezawa, Fumihiko Sato

Journal:

Year:

2009

Language:

english

File:

PDF, 814 KB

english, 2009

36

Simple Isoquinoline and Benzylisoquinoline Alkaloids as Potential Antimicrobial, Antimalarial, Cytotoxic, and Anti-HIV Agents

Kinuko Iwasa, Masataka Moriyasu, Yoko Tachibana, Hye-Sook Kim, Yusuke Wataya, Wolfgang Wiegrebe, Kenneth F Bastow, L.Mark Cosentino, Mutsuo Kozuka, Kuo-Hsiung Lee

Journal:

Bioorganic & Medicinal Chemistry

Year:

2001

Language:

english

File:

PDF, 217 KB

english, 2001

37

Reaction of allylic tin reagents with nitrogen heteroaromatics activated by alkyl chloroformates: regioselective synthesis of .alpha.-allylated 1,2-dihydropyridines and change of the regioselectivity depending on methyl substituents at the allylic moiety

Yamaguchi, Ryohei, Moriyasu, Masataka, Yoshioka, Michihiko, Kawanisi, Mituyosi

Journal:

Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 842 KB

english, 1988

38

Pyrenes and pyrendiones fromUvaria lucida

Masataka Moriyasu, Sousuke Takeuchi, Momoyo Ichimaru, Noriyshi Nakatani, Yumi Nishiyama, Atsushi Kato, Simon G. Mathenge, Francis D. Juma, Patrick B. ChaloMutiso

Journal:

Journal of Natural Medicines

Year:

2012

Language:

english

File:

PDF, 319 KB

english, 2012

39

Chemical constituents of Mitrephora maingayi

Khanittha Deepralard, Thitima Pengsuparp, Masataka Moriyasu, Kazuko Kawanishi, Rutt Suttisri

Journal:

Biochemical Systematics and Ecology

Year:

2007

Language:

english

File:

PDF, 128 KB

english, 2007

40

A new arylnaphthalene lignan from Knema furfuracea

Noppadon Rangkaew, Rutt Suttisri, Masataka Moriyasu, Kazuko Kawanishi

Journal:

Year:

2009

Language:

english

File:

PDF, 229 KB

english, 2009

41

Correlation between Helicobacter pylori infection and low-dose aspirin use on damage of the upper gastrointestinal tract

Mari Fukuzawa, Takashi Kawai, Masataka Watanabe, Hirofumi Tomiyama, Akira Yamashina, Fuminori Moriyasu

Journal:

Journal of Gastroenterology and Hepatology

Year:

2012

Language:

english

File:

PDF, 717 KB

english, 2012

42

Electron transfer mechanism in quenching of uranyl luminescence by halide ions

Yu Yokoyama, Masataka Moriyasu, Shigero Ikeda

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1976

Language:

english

File:

PDF, 471 KB

english, 1976

43

Quenching of uranyl luminescence by water molecule

Masataka Moriyasu, Yu Yokoyama, Shigero Ikeda

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1977

Language:

english

File:

PDF, 392 KB

english, 1977

44

Anion coordination to uranyl ion and the luminescence lifetime of the uranyl complex

Masataka Moriyasu, Yu Yokoyama, Shigero Ikeda

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1977

Language:

english

File:

PDF, 363 KB

english, 1977

45

Quenching mechanisms of uranyl luminescence by metal ions

Masataka Moriyasu, Yu Yokoyama, Shigero Ikeda

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1977

Language:

english

File:

PDF, 467 KB

english, 1977

46

G2-M arrest and antimitotic activity mediated by casticin, a flavonoid isolated from Viticis Fructus (Vitex rotundifolia Linne fil.)

Junko Kobayakawa, Fumiko Sato-Nishimori, Masataka Moriyasu, Yoshizumi Matsukawa

Journal:

Year:

2004

Language:

english

File:

PDF, 150 KB

english, 2004

47

Dopaminergic neurotoxins, 6,7-dihydroxy-1-(3′,4′-dihydroxybenzyl)-isoquinolines, cause different types of cell death in SH-SY5Y cells: apoptosis was induced by oxidized papaverolines and necrosis by reduced tetrahydropapaverolines

Wakako Maruyama, Kumiko Sango, Kinuko Iwasa, Chiyoko Minami, Philippe Dostert, Masao Kawai, Masataka Moriyasu, Makoto Naoi

Journal:

Neuroscience Letters

Year:

2000

Language:

english

File:

PDF, 235 KB

english, 2000

48

Inhibiting action of thallium(I) ion on uranyl photoreduction

Yu Yokoyama, Masataka Moriyasu, Shigero Ikeda

Journal:

Journal of Inorganic and Nuclear Chemistry

Year:

1974

Language:

english

File:

PDF, 418 KB

english, 1974

49

Hypoglycemic Activity of Some Triterpenoid Glycosides

Kako, Mami, Miura, Toshihiro, Nishiyama, Yumi, Ichimaru, Momoyo, Moriyasu, Masataka, Kato, Atsushi

Journal:

Journal of Natural Products

Year:

1997

Language:

english

File:

PDF, 114 KB

english, 1997

50

Isolation of Alkaloidal Constituents of Zanthoxylum usambarense and Zanthoxylum chalybeum Using Ion-Pair HPLC

Kato, Atsushi, Moriyasu, Masataka, Ichimaru, Momoyo, Nishiyama, Yumi, Juma, Francis D., Nganga, Joseph N., Mathenge, Simon G., Ogeto, John O.

Journal:

Journal of Natural Products

Year:

1996

Language:

english

File:

PDF, 98 KB

english, 1996

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