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Journal Articles

Vicinage effect on the yield of convoy electrons emitted from thin carbon foil induced by the penetration of 3.5 MeV/atom C$$_{n}$$$$^{+}$$ ions

Shiina, Yoko*; Kinoshita, Ryo*; Funada, Shuhei*; Matsuda, Makoto; Imai, Makoto*; Kawatsura, Kiyoshi*; Sataka, Masao*; Sasa, Kimikazu*; Kaneko, Toshiaki*; Tomita, Shigeo*

Physical Review A, 110(6), p.062826_1 - 062826_7, 2024/12

https://doi.org/10.1103/PhysRevA.110.062826
 Times Cited Count：1 Percentile：0.00(Optics)

Journal Articles

Yields of strand breaks and base lesions induced by soft X-rays in plasmid DNA

Yokoya, Akinari; Fujii, Kentaro; Ushigome, Takeshi; Shikazono, Naoya; Urushibara, Ayumi; Watanabe, Ritsuko

Radiation Protection Dosimetry, 122(1-4), p.86 - 88, 2006/12

https://doi.org/10.1093/rpd/ncl408
 Times Cited Count：14 Percentile：65.90(Environmental Sciences)

We have studied yields of DNA damages induced by soft X-rays obtained from a conventional soft X-ray machine in a LET region between $$gamma$$-rays and ultrasoft X-rays. Practically soft X-rays with a broad energy spectrum emitted from a target of heavy metal, such as tungsten, have been widely used not only for radiobiological experiments but also for medical application such as mammography. Radiation weighting factors for these soft X-rays have been assigned to be 1 by ICRP. However, the fraction of a large number of low energy photons in the spectrum (below several tens keV) provided by bremsstrahlung is expected to be more effective for DNA damage induction than $$gamma$$-rays since low energy photo- and Auger electrons predominantly ejected in consequence of a photoelectric effect can produce dense clusters of ionization/excitation on DNA molecules. We have examined the yield of DNA strand breaks induced by white soft X-rays (150 kVp, tungsten target). Yields of base lesions revealed by base excision repair enzymes will be also presented.

Journal Articles

Energy losses of MeV B clusters in solids

Narumi, Kazumasa; ; ; ; Saito, Yuichi; Yamamoto, Shunya; Aoki, Yasushi; Naramoto, Hiroshi

Materials Chemistry and Physics, 54(1-3), p.229 - 233, 1998/00

https://doi.org/10.1016/S0254-0584(98)00031-5
 Times Cited Count：3 Percentile：13.71(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Cluster ions in the radiolysis of gases

Ikezoe, Yasumasa

Hoshasen Kagaku Kiso Katei Kenkyu No Shintenkai, p.130 - 131, 1990/03

no abstracts in English

Journal Articles

Ions in carbon dioxide at an atmospheric pressure, II; Effect of CO and O$$_{2}$$ addition

Ikezoe, Yasumasa; ; Shimizu, Saburo; Nakajima, Hayato; ;

Radiation Physics and Chemistry, 26(4), p.445 - 449, 1985/00

no abstracts in English

Journal Articles

Ions in carbon dioxide at an atmospheric pressure, 3; Formation of($$^{1}$$$$^{8}$$O$$_{2}$$(CO)$$_{2}$$)$$^{+}$$(CO$$_{2}$$)$$_{n}$$ in a CO$$_{2}$$-CO-$$^{1}$$$$^{8}$$O$$_{2}$$ mixture

Ikezoe, Yasumasa; ; Shimizu, Saburo; ; ;

J.Phys.Chem., 88(24), p.5945 - 5948, 1984/00

no abstracts in English

Journal Articles

Ionic reactions in an atmospheric pressure carbon dioxide; Their implications to the radiolysis of carbon dioxide

Ikezoe, Yasumasa; ;

Shitsuryo Bunseki, 32(5), p.449R - 453R, 1984/00

no abstracts in English

Journal Articles

Ions in carbon dioxide at an atmospheric pressure

Ikezoe, Yasumasa; Shimizu, Saburo; ; ; ;

Radiation Physics and Chemistry, 20(4), p.253 - 257, 1982/00

no abstracts in English

Journal Articles

Effect of water on the radiolysis of carbon dioxide

Ikezoe, Yasumasa; ; Shimizu, Saburo;

Radiation Physics and Chemistry, 17, p.69 - 70, 1981/00

no abstracts in English

Journal Articles

Neutron resonance parameters of $$^{7}$$$$^{9}$$Br and $$^{8}$$$$^{1}$$Br up to 15 keV

; ;

Proc.Int.Conf.Nucl.Cross Section for Technol., p.173 - 176, 1980/00

no abstracts in English

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