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Journal Articles

Elucidation of the mechanism of biomolecular damage in liquid water that occurs on a nanoscale by ion beams

Tsuchida, Hidetsugu*; Majima, Takuya*; Kai, Takeshi

Oyo Butsuri, 91(9), p.553 - 557, 2022/09

In recent years, basic research has been conducted to understand the biological effects of radiation at the atomic level toward advancing particle beam cancer treatment. Here we show some recent results on the basic process of biomolecular damage caused by ion beams in liquid water. A biomolecular solution target was introduced to the vacuum by a liquid molecular beam or microdroplet method. Secondary ion mass spectrometry was applied to measure the fragments of biomolecules emitted from a target irradiated with an ion beam. For the simulation study using a PHITS code, physical nature of secondary electrons produced by ion beam in water was analyzed. The experimental and simulation research determined the energy range of secondary electrons involved in damaging biomolecules in liquid water caused by ion beams. The damage process by secondary electrons near the ion track is described.

Journal Articles

DNA strand breaks by direct energy deposition by Auger and photo-electrons ejected from DNA constituent atoms following K-shell photoabsorption

Watanabe, Ritsuko; Yokoya, Akinari; Fujii, Kentaro; Saito, Kimiaki

International Journal of Radiation Biology, 80(11-12), p.823 - 832, 2004/11

 Times Cited Count:15 Percentile:68.16(Biology)

no abstracts in English

Journal Articles

Estimation of electron beam induced reaction rate through simulation

Arai, Hidehiko

Denki Gakkai Gijutsu Hokoku, (810), p.56 - 58, 2000/10

no abstracts in English

Journal Articles

Secondary electron emission yield from uranium surface due to uranium ion bombardment

Tamura, Koji; ; Adachi, Hajime; Oba, Hironori; Shibata, Takemasa

Japanese Journal of Applied Physics, Part 1, 38(4A), p.2122 - 2123, 1999/04

 Times Cited Count:9 Percentile:42.94(Physics, Applied)

no abstracts in English

Journal Articles

Beam current monitor with secondary electrons from the moving wire probe

Nakajima, Yoshinori; Saito, Yuichi; Tajima, Satoshi

Dai-12-Kai Tandemu Kasokuki Oyobi Sono Shuhen Gijutsu No Kenkyukai Hokokushu, p.109 - 112, 1999/00

no abstracts in English

JAEA Reports

Secondary electron emission from uranium surface due to uranium ion bombardment

Tamura, Koji; ; Adachi, Hajime; Oba, Hironori; Shibata, Takemasa

JAERI-Research 98-073, 10 Pages, 1998/12

JAERI-Research-98-073.pdf:0.52MB

no abstracts in English

Journal Articles

A New method for measuring secondary electron emission yield from Nd surface bombarded by ions from a laser-ion source

Tamura, Koji; Ogura, Koichi; Shibata, Takemasa

Japanese Journal of Applied Physics, Part 1, 37(9A), p.5005 - 5007, 1998/09

 Times Cited Count:6 Percentile:32.53(Physics, Applied)

no abstracts in English

Journal Articles

Secondary electron emission from neodymium surface due to neodymium ion bombardment

Shibata, Takemasa; Ogura, Koichi;

Shinku, 40(8), p.668 - 670, 1997/00

no abstracts in English

Journal Articles

Development of a beam pulse monitor for the JAERI AVF cyclotron

Okumura, Susumu; Fukuda, Mitsuhiro; Ishibori, Ikuo; Agematsu, Takashi; Yokota, Wataru; Nara, Takayuki; Nakamura, Yoshiteru; Arakawa, Kazuo

JAERI-Conf 95-021, 0, p.150 - 152, 1995/10

no abstracts in English

Journal Articles

Beam positioning and single ion hit system in the high energy heavy ion microbeam apparatus

Kamiya, Tomihiro; ; Suda, Tamotsu*; *

BEAMS 1995: Dai-6-Kai Ryushisen No Sentanteki Oyo Gijutsu Ni Kansuru Shimpojiumu Koen Rombunshu, 0, p.127 - 130, 1995/00

no abstracts in English

Journal Articles

Development of high energy single ion hit system conbined with heavy ion microbeam apparatus

Kamiya, Tomihiro; Suda, Tamotsu*; Tanaka, Ryuichi

JAERI TIARA Annual Report 1994, p.226 - 228, 1995/00

no abstracts in English

Journal Articles

Secondary electron emission from copper surface due to neodymium and gadolinium ion bombardment

Shibata, Takemasa; Ogura, Koichi

Shinku, 37(3), p.132 - 134, 1994/00

no abstracts in English

JAEA Reports

Secondary electron emission from copper surface due to neodymium and gadolinium ion bombardment

Shibata, Takemasa; Ogura, Koichi

JAERI-M 93-092, 13 Pages, 1993/03

JAERI-M-93-092.pdf:0.46MB

no abstracts in English

Journal Articles

Secondary electron emission coefficient of aluminum nitride

Hiroki, Seiji; Maebara, Sunao; Abe, Tetsuya; Murakami, Yoshio

Denki Gakkai Rombunshi, A, 109(8), 372 Pages, 1989/00

no abstracts in English

Oral presentation

Cluster-size dependence of secondary-electron yields induced by bombardment of carbon foils with 100's-kev/u cluster ions

Narumi, Kazumasa; Chiba, Atsuya; Yamada, Keisuke; Matoba, Shiro; Saito, Yuichi

no journal, , 

Oral presentation

Cluster-size dependence of secondary-electron yields emitted from carbon foils bombarded with 62.5-keV/u C$$_{n}$$$$^{+}$$ ions

Narumi, Kazumasa; Chiba, Atsuya; Yamada, Keisuke; Matoba, Shiro; Saito, Yuichi

no journal, , 

no abstracts in English

Oral presentation

Vicinage effect on secondary-electron emissions from carbon foils bombarded with 62.5-keV/u C$$_{it n}$$$$^{+}$$ ions

Narumi, Kazumasa; Chiba, Atsuya; Yamada, Keisuke; Matoba, Shiro; Saito, Yuichi

no journal, , 

no abstracts in English

Oral presentation

Vicinage effect on secondary-electron emissions from carbon foils bombarded with 100's keV/u cluster ions

Narumi, Kazumasa; Chiba, Atsuya; Yamada, Keisuke; Matoba, Shiro; Saito, Yuichi

no journal, , 

no abstracts in English

19 (Records 1-19 displayed on this page)
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