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Journal Articles

Internal dosimetry for nasal thallium-201 administration

Kinase, Sakae; Washiyama, Koshin*; Shiga, Hideaki*; Taki, Junichi*; Nakanishi, Yusuke*; Koshida, Kichiro*; Miwa, Takaki*; Kinuya, Seigo*; Amano, Ryohei*

KEK Proceedings 2012-7, p.35 - 40, 2012/10

no abstracts in English

Journal Articles

Terahertz absorption spectroscopy of protein-containing reverse micellar solution

Murakami, Hiroshi; Toyota, Yuji*; Nishi, Takaki*; Nashima, Shigeki*

Chemical Physics Letters, 519-520, p.105 - 109, 2012/01

 Times Cited Count:18 Percentile:55.75(Chemistry, Physical)

no abstracts in English

Journal Articles

Determination of structural parameters of protein-containing reverse micellar solution by near-infrared absorption spectroscopy

Murakami, Hiroshi; Nishi, Takaki*; Toyota, Yuji*

Journal of Physical Chemistry B, 115(19), p.5877 - 5885, 2011/04

 Times Cited Count:15 Percentile:35.3(Chemistry, Physical)

We present a method based on near-infrared absorption spectroscopy of the OH stretching vibration band of water around 3400 cm$$^{-1}$$ to examine if the aqueous cavity size of a protein-unfilled reverse micelle is affected by solubilization of protein, and it has been found for AOT (= bis (2-ethylhexyl) sulfosuccinate) reverse micellar solution with myoglobin that it does not change before and after solubilization of the protein in the water-to-surfactant molar ratio ($$w$$$$_{0}$$) from 2 to $$sim$$18, that is, the $$w$$$$_{0}$$ values of the protein-filled and unfilled reverse micelles are the same as that of the reverse micellar solution regardless of size relation between the aqueous cavity of the unfilled reverse micelle and the protein. On the basis of this experimental fact, we propose a model to determine the structural parameters of protein-filled reverse micelles, such as the aqueous cavity radius and the aggregation number of surfactant molecules constituting the micelle, and the molar concentration of the unfilled reverse micelle that exists with the protein-filled reverse micelle in the reverse micellar solution, and derive their values for AOT reverse micellar solution with myoglobin in the $$w$$$$_{0}$$ range from 2 to 24. On the other hand, circular dichroism measurements and UV-visible absorption spectroscopy of myoglobin/AOT reverse micellar solution and myoglobin/AOT aqueous solution were carried out in order to examine the conformational state of myoglobin in the reverse micellar solution. These experimental results lead to the conclusion that myoglobin is located in the aqueous cavity of the reverse micelle, although the conformational state of the protein is to some extent distorted because of the interaction with AOT compared with that of native myoglobin. Finally, it is suggested that the proposed model is appropriate for reverse micellar solution with a hydrophilic protein molecule that is located in the aqueous cavity of the reverse micelle.

Journal Articles

Recent progress in the energy recovery linac project in Japan

Sakanaka, Shogo*; Akemoto, Mitsuo*; Aoto, Tomohiro*; Arakawa, Dai*; Asaoka, Seiji*; Enomoto, Atsushi*; Fukuda, Shigeki*; Furukawa, Kazuro*; Furuya, Takaaki*; Haga, Kaiichi*; et al.

Proceedings of 1st International Particle Accelerator Conference (IPAC '10) (Internet), p.2338 - 2340, 2010/05

Future synchrotron light source using a 5-GeV energy recovery linac (ERL) is under proposal by our Japanese collaboration team, and we are conducting R&D efforts for that. We are developing high-brightness DC photocathode guns, two types of cryomodules for both injector and main superconducting (SC) linacs, and 1.3 GHz high CW-power RF sources. We are also constructing the Compact ERL (cERL) for demonstrating the recirculation of low-emittance, high-current beams using above-mentioned critical technologies.

Journal Articles

Introduction to plasma fusion energy

Takamura, Shuichi*; Kado, Shinichiro*; Fujii, Takashi*; Fujiyama, Hiroshi*; Takabe, Hideaki*; Adachi, Kazuo*; Morimiya, Osamu*; Fujimori, Naoji*; Watanabe, Takayuki*; Hayashi, Yasuaki*; et al.

Kara Zukai, Purazuma Enerugi No Subete, P. 164, 2007/03

no abstracts in English

Oral presentation

Oral presentation

THz spectroscopy of protein water solution in a reversed micelle

Murakami, Hiroshi; Toyota, Yuji; Nishi, Takaki

no journal, , 

no abstracts in English

Oral presentation

Terahertz spectroscopy of protein aqueous with reverse micelles solution

Toyota, Yuji; Nishi, Takaki; Murakami, Hiroshi; Nashima, Shigeki*; Hosoda, Makoto*

no journal, , 

no abstracts in English

Oral presentation

IR spectroscopy of a protein in a reverse micelle

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

Terahertz spectroscopy of protein in water

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

Infrared spectroscopic studies on a protein in a reverse micelle

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

IR spectroscopy of a protein in a reverse micelle

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

Hydration effect on dynamics of biomolecules in reverse micelles in the terahertz frequency range

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

Studies on structure and dynamics of protein in a reverse micelle using NIR and Terahertz spectroscopies

Murakami, Hiroshi; Nishi, Takaki; Toyota, Yuji

no journal, , 

no abstracts in English

Oral presentation

Ultrafast spectroscopy of protein in a reverse micelle

Murakami, Hiroshi; Nishi, Takaki*; Toyota, Yuji*; Ono, Masato

no journal, , 

no abstracts in English

Oral presentation

Determination of the structural parameters of protein-containing reverse micelles

Murakami, Hiroshi; Nishi, Takaki*; Toyota, Yuji*

no journal, , 

no abstracts in English

Oral presentation

Evaluation of S values for organs from nasal administration of Tl-201

Kinase, Sakae; Washiyama, Koshin*; Shiga, Hideaki*; Taki, Junichi*; Nakanishi, Yusuke*; Koshida, Kichiro*; Miwa, Takaki*; Kinuya, Seigo*; Amano, Ryohei*

no journal, , 

no abstracts in English

17 (Records 1-17 displayed on this page)
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