Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Kohtaro, Sugahara"'
Autor:
Tsukasa Iwashina, Sri Rahayu, null Destri, Kohtaro Sugahara, Takahisa Nakane, Takayuki Mizuno, Chie Tsutsumi, Didik Widyatmoko
Publikováno v:
Phytochemistry Letters. 53:132-136
Autor:
Moeka Yoshinaga, Fumiya Sato, Kohei Kitagawa, Natsuki Yokota, Shogo Sasaki, Manami Takeuchi, Hiroshi Tsugawa, Kohtaro Sugahara, Shoko Mori, Masayuki Tera
Publikováno v:
Chemical Communications.
The rate-enhancement mechanism of the ion-pair-guided click reaction has been elucidated and applied to selective protein modification.
Publikováno v:
Mass Spectrometry. 11:A0101-A0101
Paeoniflorin and albiflorin, which are functional isomers, are the major constituents of an herbal medicine derived from
Autor:
Mitsuru Maeda, Tohru Yamagaki, Keiko Shimamoto, Shoko Mori, Kohtaro Sugahara, Takashi Iwashita
Publikováno v:
Tetrahedron Letters. 59:4420-4425
Palytoxin (PTX) has been widely studied owing to its outstanding toxic properties and complex structural features. It is a great challenge to identify and isolate analogues of PTX from various organisms and reveal their physiological activities. We p
Publikováno v:
Plant and Cell Physiology. 59:2075-2085
The brilliant blue color of the Nemophila menziesii flower is derived from metalloanthocyanin, which consists of anthocyanin {petunidin 3-O-[6-O-(trans-p-coumaroyl)-β-glucoside]-5-O-[6-O-(malonyl)-β-glucoside]}, flavone [apigenin 7-O-β-glucoside-4
Autor:
Takayuki Mizuno, Kohtaro Sugahara, Sri Rahayu, Tsukasa Iwashina, Chie Tsutsumi, Didik Widyatmoko
Publikováno v:
Phytochemistry. 192:112956
Thirteen anthocyanins were isolated from the flowers of two Aeschynanthus species, A. fulgens and A. pulcher, and six cultivars, ‘Mahligai’, ‘Mona Lisa’, ‘SoeKa’, ‘Redona’, ‘Freshya’ and ‘Bravera’, and identified as pelargonid
Publikováno v:
Rapid communications in mass spectrometry : RCMREFERENCES. 34(7)
Rationale The plant hormone auxin, indole-3-acetic acid, regulates many aspects of plant growth and development. Auxin quantification should offer broad insights into its mechanistic action in plants. However, limited auxin content in plant tissues h
Autor:
Moritoshi Iino, Takayuki Mizuno, Kohtaro Sugahara, Chie Tsutsumi, Naonobu Noda, Tsukasa Iwashina, Satoshi Koi
Publikováno v:
Phytochemistry. 181:112581
To understand the unique green–blue color of Puya alpestris (Bromeliaceae) flowers, we investigated their constituent anthocyanin and related compounds. An anthocyanin, two undescribed flavonols, and two flavones were isolated and identified as del
Publikováno v:
Rapid Communications in Mass Spectrometry
RATIONALE Proton and radical are transferred between matrices and matrix and analyte in matrix-assisted laser desorption/ionization (MALDI) and these transfers drive ionization of analytes. The odd-electron anion [M-2H]•- was generated in dihydroxy
Autor:
Takashi Iwashita, Kohtaro Sugahara, Tohru Yamagaki, Mitsuru Maeda, Kyosuke Nomoto, Shoko Mori
Publikováno v:
Tetrahedron Letters. 57(32):3612-3617
A red alga, Chondria armata, was used as a vermifuge in Japan. Previously, we isolated domoic acids from C. armata guided by the insecticidal activity against American cockroaches. Further investigations led to the discovery of a compound one-thousan