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28 results on '"Uragami, Chiasa"'

8. Astaxanthin: Past, Present, and Future

Author

Nishida, Yasuhiro, primary, Berg, Pernilla Christina, additional, Shakersain, Behnaz, additional, Hecht, Karen, additional, Takikawa, Akiko, additional, Tao, Ruohan, additional, Kakuta, Yumeka, additional, Uragami, Chiasa, additional, Hashimoto, Hideki, additional, Misawa, Norihiko, additional, and Maoka, Takashi, additional

Published
2023
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18. Author Correction: A mechanism for CO regulation of ion channels

Author

Kapetanaki, Sofia M., primary, Burton, Mark J., additional, Basran, Jaswir, additional, Uragami, Chiasa, additional, Moody, Peter C. E., additional, Mitcheson, John S., additional, Schmid, Ralf, additional, Davies, Noel W., additional, Dorlet, Pierre, additional, Vos, Marten H., additional, Storey, Nina M., additional, and Raven, Emma, additional

Published
2018
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21. A mechanism for CO regulation of ion channels

Author

Kapetanaki, Sofia M., primary, Burton, Mark J., additional, Basran, Jaswir, additional, Uragami, Chiasa, additional, Moody, Peter C. E., additional, Mitcheson, John S., additional, Schmid, Ralf, additional, Davies, Noel W., additional, Dorlet, Pierre, additional, Vos, Marten H., additional, Storey, Nina M., additional, and Raven, Emma, additional

Published
2018
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23. Observation of hybrid artificial photosynthetic membranes using peripheral and core antennae from two different species of photosynthetic bacteria by AFM and fluorescence micro-spectroscopy

Author

Uragami, Chiasa, primary, Sugai, Yuko, additional, Hanjo, Kohei, additional, Sumino, Ayumi, additional, Fujii, Ritsuko, additional, Nishioka, Takanori, additional, Kinoshita, Isamu, additional, Dewa, Takehisa, additional, Nango, Mamoru, additional, Gardiner, Alastair T., additional, Cogdell, Richard J., additional, and Hashimoto, Hideki, additional

Published
2015
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24. Photoinduced electron transfer of platinum(ii) bipyridine diacetylides linked by triphenylamine- and naphthaleneimide-derivatives and their application to photoelectric conversion systems

Author

Suzuki, Shuichi, primary, Matsumoto, Yuma, additional, Tsubamoto, Mai, additional, Sugimura, Ryoji, additional, Kozaki, Masatoshi, additional, Kimoto, Kenshi, additional, Iwamura, Munetaka, additional, Nozaki, Koichi, additional, Senju, Naoki, additional, Uragami, Chiasa, additional, Hashimoto, Hideki, additional, Muramatsu, Yohei, additional, Konno, Akinori, additional, and Okada, Keiji, additional

Published
2013
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27. Ultrafast laser spectroscopic studies on carotenoids in solution and on those bound to photosynthetic pigment-protein complexes.

Author

Hashimoto H, Uragami C, Yukihira N, Horiuchi K, and Cogdell RJ

Subjects
Carotenoids metabolism, Lasers, Light-Harvesting Protein Complexes chemistry, Light-Harvesting Protein Complexes metabolism, Spectrum Analysis methods, Photosynthetic Reaction Center Complex Proteins metabolism
Abstract

Carotenoid excited singlet states, in particular, are typically very short lived. Therefore, time-resolved absorption spectroscopy in the time regime from femtoseconds to sub-milliseconds are required to unravel and understand the complicated relaxation and excitation energy-transfer pathways of carotenoids in solution and in photosynthetic pigment-protein complexes. The focus of this chapter is to explain how to use ultrafast time-resolved absorption spectroscopy in carotenoid research. The importance of a systematic approach to understanding the various carotenoid excited states by using a series of carotenoids with different conjugation lengths and the isomers of carotenoids is also emphasized., (Copyright © 2022 Elsevier Inc. All rights reserved.)

Published
2022
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28. A Synthetic Chlorophyll Dimer Appending Fullerene: Effect of Chlorophyll Pairing on (Photo)redox Properties.

Author

Shinozaki Y, Uragami C, Hashimoto H, and Tamiaki H

Abstract

Accurately mimicking structure and function of natural chlorophyll (Chl) assemblies is very challenging. Herein, we report the synthesis of a fullerene-appended Chl dimer being capable of intramolecular photoinduced charge separation (CS) with a unique structure reminiscent of reaction centers (RCs) in phototrophs. Structural analyses revealed that the Chl dimer adopts a bird-like structure in which two Chl components overlapped partially with one of the four pyrrole rings in a Chl ring similar to in a Chl pair in the natural RC complexes. A comparative study including voltammetry and spectrometric analyses using the Chl dimer and its corresponding monomer with and without a fullerene moiety was performed to gain insight into the effect of Chl pairing on (photo)redox properties. Our results suggest that the present dimer motif that closely resemble the Chl pair in natural RCs lead to more facile oxidation and lower energy of the CS state of the Chl dimer than those of the Chl monomer, resulting in its photoredox behavior different from that of the monomer Chl., (© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.)

Published
2020
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