Identification of a Novel Saxitoxin Analogue, 12β-Deoxygonyautoxin 3, in the Cyanobacterium, <i>Anabaena circinalis</i> (TA04)

by Takashi Minowa, Yuko Cho, Yasukatsu Oshima, Keiichi Konoki, Mari Yotsu-Yamashita
Published 2019-09-01

Temporal Variation of the Profile and Concentrations of Paralytic Shellfish Toxins and Tetrodotoxin in the Scallop, <i>Patinopecten yessoensis, </i>Cultured in a Bay of East Japan

by Satoshi Numano, Yuta Kudo, Yuko Cho, Keiichi Konoki, Mari Yotsu-Yamashita
Published 2019-11-01

Isolation and Structural Determination of the First 8-epi-type Tetrodotoxin Analogs from the Newt, Cynops ensicauda popei, and Comparison of Tetrodotoxin Analogs Profiles of This N...

by Mari Yotsu-Yamashita, Yuta Kudo, Takeshi Yasumoto, Keiichi Konoki, Yuko Cho
Published 2012-03-01

Pufferfish Saxitoxin and Tetrodotoxin Binding Protein (PSTBP) Analogues in the Blood Plasma of the Pufferfish Arothron nigropunctatus, A. hispidus, A. manilensis, and Chelonodon pa...

by Mari Yotsu-Yamashita, Yuuma Nagaoka, Koji Muramoto, Yuko Cho, Keiichi Konoki
Published 2018-06-01

Tetrodotoxin and Its Analogues in the Pufferfish Arothron hispidus and A. nigropunctatus from the Solomon Islands: A Comparison of Their Toxin Profiles with the Same Species from...

by Clyde Gorapava Puilingi, Yuta Kudo, Yuko Cho, Keiichi Konoki, Mari Yotsu-Yamashita
Published 2015-08-01

Identification of novel oxidized levuglandin D2 in marine red alga and mouse tissue[S]

by Yoshikazu Kanai, Sadahiko Hiroki, Hiroyuki Koshino, Keiichi Konoki, Yuko Cho, Mirriam Cayme, Yasuo Fukuyo, Mari Yotsu-Yamashita
Published 2011-12-01

Anterior and posterior ratio of corneal surface areas: A novel index for detecting early stage keratoconus.

by Motohiro Itoi, Koji Kitazawa, Isao Yokota, Koichi Wakimasu, Yuko Cho, Yo Nakamura, Osamu Hieda, Satoshi Teramukai, Shigeru Kinoshita, Chie Sotozono
Published 2020-01-01

Isolation and Structural Determination of Two Novel Phlorotannins from the Brown Alga Ecklonia kurome Okamura, and Their Radical Scavenging Activities

by Yuko Cho, Keiichi Konoki, Hisatomi Ito, Haruhiko Toyohara, Yi-Chin Lin, Shinya Segawa, Sawako Kondo, Mari Yotsu-Yamashita, Takafumi Uchida
Published 2013-01-01

First Identification of 5,11-Dideoxytetrodotoxin in Marine Animals, and Characterization of Major Fragment Ions of Tetrodotoxin and Its Analogs by High Resolution ESI-MS/MS

by Toshio Nishikawa, Minoru Isobe, Takuya Imazu, Valerie J. Paul, Keiichi Konoki, Yuko Cho, Masaatsu Adachi, Raphael Ritson-Williams, Yuta Kudo, Yuka Abe, Mari Yotsu-Yamashita
Published 2013-08-01