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Detection of 1270 nm emission from singlet oxygen and photocytotoxic property of sugar-pendant 60 fullerenes |
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| Authors: | Mikata Yuji Takagi Satowa Tanahashi Maki Ishii Sayoko Obata Makoto Miyamoto Yuichi Wakita Kazuhito Nishisaka Tsuyoshi Hirano Toru Ito Toshiaki Hoshino Mikio Ohtsuki Chikara Tanihara Masao Yano Shigenobu |
| Affiliation: | KYOUSEI Science Center, Nara Women's University, 630-8506 Nara, Japan. mikata@cc. nara-wu.ac.jp |
| Abstract: | Sugar-pendant [60] fullerene derivatives have been prepared from carbohydrate-linked azides 1a-e. Both monosugar (4a-e) and bissugar derivatives (5a-e) produce singlet oxygen ((1)O(2)) under laser irradiation (355 nm) proved by the direct observation of (1)O(2) emission at 1270 nm. Monosugar derivatives exhibit photocytotoxicity varying by the attached sugar molecule. |
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