Publications by authors named "Tsutomu Ishikawa"

Claim this Profile
H
HPLC analysis of ammonium glycyrrhizate listed in the European, United States, and Japanese Pharmacopoeias under reported and modified conditions: revision of the peak assignment for 18α-glycyrrhizin in the European and United States Pharmacopoeias.
Kazuaki Kamata, Jin Tatsuzaki, Tsutomu Ishikawa, Ryoko Arai, Takashi Hakamatsuka

J Nat Med· January 2023

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
I
Is 18α-Glycyrrhizin a real natural product? Improved preparation of 18α-Glycyrrhizin from 18β-Glycyrrhizin as a positive standard for HPLC analysis of licorice extracts.
Kritamorn Jitrangsri, Kazuaki Kamata, Mana Akiba, Yoshie Yajiri, Masami Ishibashi, Tsutomu Ishikawa

J Nat Med· March 2022

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
Q
Quercetin 3,5,7,3',4'-pentamethyl ether from Kaempferia parviflora directly and effectively activates human SIRT1.
Mimin Zhang, Peng Lu, Tohru Terada, Miaomiao Sui, Haruka Furuta, Tsutomu Ishikawa

Commun Biol· February 2021

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A simple and effective preparation of quercetin pentamethyl ether from quercetin.
Jin Tatsuzaki, Tomohiko Ohwada, Yuko Otani, Reiko Inagi, Tsutomu Ishikawa

Beilstein J Org Chem· December 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
Q
Quantification of terpene trilactones in Ginkgo biloba with a H NMR method.
Tingfu Liang, Takuya Miyakawa, Jinwei Yang, Tsutomu Ishikawa, Masaru Tanokura

J Nat Med· June 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
D
Design, synthesis, and evaluation of polyamine-memantine hybrids as NMDA channel blockers.
Takuya Kumamoto, Marie Nakajima, Reina Uga, Naoko Ihayazaka, Haruna Kashihara, Tsutomu Ishikawa

Bioorg Med Chem· February 2018

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
C
Changes in intracellular copper concentration and copper-regulating gene expression after PC12 differentiation into neurons.
Yasumitsu Ogra, Aya Tejima, Naohiro Hatakeyama, Moeko Shiraiwa, Siyuan Wu, Tsutomu Ishikawa

Sci Rep· September 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
P
Phase II trial of panitumumab with irinotecan as salvage therapy for patients with advanced or recurrent colorectal cancer (TOPIC study).
Tomohiro Nishi, Yasuo Hamamoto, Michitaka Nagase, Tadamichi Denda, Kensei Yamaguchi, Tsutomu Ishikawa

Oncol Lett· June 2016

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
U
Unprecedented 8,9'-neolignans: enantioselective synthesis of possible stereoisomers for structural determination.
Masato Takahashi, Noriyuki Suzuki, Tsutomu Ishikawa, Hung-Yi Huang, Hsun-Shuo Chang

J Nat Prod· December 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
A rare complication: misdirection of an indwelling urethral catheter into the ureter.
Tsutomu Ishikawa, Motoo Araki, Takeshi Hirata, Masami Watanabe, Shin Ebara

Acta Med Okayama· November 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Butea superba-induced amelioration of cognitive and emotional deficits in olfactory bulbectomized mice and putative mechanisms underlying its actions.
Daishu Mizuki, Zhao Qi, Ken Tanaka, Hironori Fujiwara, Tsutomu Ishikawa

J Pharmacol Sci· October 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
Antidepressant-like effect of Butea superba in mice exposed to chronic mild stress and its possible mechanism of action.
Daishu Mizuki, Kinzo Matsumoto, Ken Tanaka, Xoan Thi Le, Hironori Fujiwara, Tsutomu Ishikawa

J Ethnopharmacol· October 2014

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
N
Neolignans and phenylpropanoids from the roots of Piper taiwanense and their antiplatelet and antitubercular activities.
Si Chen, Hung-Yi Huang, Ming-Jen Cheng, Chin-Chung Wu, Tsutomu Ishikawa

Phytochemistry· September 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Enantioselective formal synthesis of (-)-podophyllotoxin from (2S,3R)-3-arylaziridine-2-carboxylate.
Masato Takahashi, Noriyuki Suzuki, Tsutomu Ishikawa

J Org Chem· April 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
Q
Quantitative analysis of miroestrol and kwakhurin for standardisation of Thai miracle herb 'Kwao Keur' (Pueraria mirifica) and establishment of simple isolation procedure for highly estrogenic miroestrol and deoxymiroestrol.
Satoko Shimokawa, Takuya Kumamoto, Tsutomu Ishikawa, Miho Takashi, Yoshihiro Higuchi

Nat Prod Res· March 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
N
New 2-aryl-1,4-naphthoquinone-1-oxime methyl ether compound induces microtubule depolymerization and subsequent apoptosis.
Hiromi Sato, Ryota Yamada, Midori Yanagihara, Hiroko Okuzawa, Hiroki Iwata, Tsutomu Ishikawa

J Pharmacol Sci· February 2013

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Mechanism of nanoparticle formation from ternary coground phenytoin and its derivatives.
Kunikazu Moribe, Akiko Ogino, Takuya Kumamoto, Tsutomu Ishikawa, Waree Limwikrant

J Pharm Sci· September 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Enantioselective construction of a polyhydroxylated pyrrolidine skeleton from 3-vinylaziridine-2-carboxylates: synthesis of (+)-DMDP and a potential common intermediate for (+)-hyacinthacine A1 and (+)-1-epi-australine.
Yukari Kondo, Noriyuki Suzuki, Masato Takahashi, Takuya Kumamoto, Hyuma Masu, Tsutomu Ishikawa

J Org Chem· September 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
M
Matched case-control study comparing endoscopic submucosal dissection and endoscopic mucosal resection for colorectal tumors.
Nozomu Kobayashi, Naoto Yoshitake, Yoshitaka Hirahara, Jun Konishi, Yutaka Saito, Tsutomu Ishikawa

J Gastroenterol Hepatol· April 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
A
Angiogenesis inhibitors identified by cell-based high-throughput screening: synthesis, structure-activity relationships and biological evaluation of 3-[(E)-styryl]benzamides that specifically inhibit endothelial cell proliferation.
Kihito Hada, Atsushi Suda, Kohsuke Asoh, Takuo Tsukuda, Masami Hasegawa, Tsutomu Ishikawa

Bioorg Med Chem· February 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
E
Effects of restricted feeding on fetal and placental development in pregnant rabbits.
Tetsuya Matsuoka, Yasumoto Mizoguchi, Ryo Haneda, Ema Otsuka, Hiroyasu Mizuguchi, Tsutomu Ishikawa

J Toxicol Sci· February 2012

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
Q
Q172H replacement overcomes effects on the metabolism of cyclophosphamide and efavirenz caused by CYP2B6 variant with Arg262.
Noritaka Ariyoshi, Miyuki Ohara, Mayumi Kaneko, Sakino Afuso, Takuya Kumamoto, Tsutomu Ishikawa

Drug Metab Dispos· November 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
B
Biologically active constituents of Aglaia erythrosperma.
Jarinporn Phongmaykin, Takuya Kumamoto, Tsutomu Ishikawa, Ekarin Saifah, Rutt Suttisri

Nat Prod Res· October 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
2
2-Aryl-1,4-naphthoquinone-1-oxime methyl ethers: their cytotoxic activity.
Tsutomu Ishikawa, Tatsuru Saito, Ayako Kurosawa, Toshiko Watanabe, Sakiko Maruyama

Chem Pharm Bull (Tokyo)· July 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis
S
Secondary metabolites from the root wood of Zanthoxylum wutaiense and their antitubercular activity.
Hung-Yi Huang, Tsutomu Ishikawa, Chien-Fang Peng, Si Chen, Ih-Sheng Chen

Chem Biodivers· May 2011

Social Media Activity not collected for this article yet.

Sign Up to Request Social Media Analysis