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Journal Articles

Repeatability and reproducibility of measurements of low dissolved radiocesium concentrations in freshwater using different pre-concentration methods

Kurihara, Momo*; Yasutaka, Tetsuo*; Aono, Tatsuo*; Ashikawa, Nobuo*; Ebina, Hiroyuki*; Iijima, Takeshi*; Ishimaru, Kei*; Kanai, Ramon*; Karube, Jinichi*; Konnai, Yae*; et al.

Journal of Radioanalytical and Nuclear Chemistry, 322(2), p.477 - 485, 2019/11

 Times Cited Count:2 Percentile:21.58(Chemistry, Analytical)

We assessed the repeatability and reproducibility of methods for determining low dissolved radiocesium concentrations in freshwater in Fukushima. Twenty-one laboratories pre-concentrated three of 10 L samples by five different pre-concentration methods (prussian-blue-impregnated filter cartridges, coprecipitation with ammonium phosphomolybdate, evaporation, solid-phase extraction disks, and ion-exchange resin columns), and activity of radiocesium was measured. The z-scores for all of the $$^{137}$$Cs results were within $$pm$$2, indicating that the methods were accurate. The relative standard deviations (RSDs) indicating the variability in the results from different laboratories were larger than the RSDs indicating the variability in the results from each separate laboratory.

Journal Articles

Three-dimensional and multienergy $$gamma$$-ray simultaneous imaging by using a Si/CdTe Compton camera

Suzuki, Yoshiyuki*; Yamaguchi, Mitsutaka; Odaka, Hirokazu*; Shimada, Hirofumi*; Yoshida, Yukari*; Torikai, Kota*; Sato, Takahiro; Arakawa, Kazuo*; Kawachi, Naoki; Watanabe, Shigeki; et al.

Radiology, 267(3), p.941 - 947, 2013/06

 Times Cited Count:23 Percentile:65.03(Radiology, Nuclear Medicine & Medical Imaging)

Journal Articles

Basic characteristics of a newly developed Si/CdTe Compton camera for medical imaging

Kawachi, Naoki; Watanabe, Shigeki; Sato, Takahiro; Arakawa, Kazuo; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hiroyuki*; Watanabe, Shin*; Yamaguchi, Mitsutaka*; Takahashi, Tadayuki*; et al.

2008 IEEE Nuclear Science Symposium Conference Record (CD-ROM), p.1540 - 1543, 2008/10

Oral presentation

Multi-tracer imaging with newly developed Si/CdTe Compton camera for medical imaging

Kawachi, Naoki; Watanabe, Shigeki; Sato, Takahiro; Matsuhashi, Shimpei; Arakawa, Kazuo; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hirofumi*; Watanabe, Shin*; Takahashi, Tadayuki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Multi-tracer Compton imaging by a newly developed Si/CdTe Compton camera

Kawachi, Naoki; Watanabe, Shigeki; Fujimaki, Shu; Ishioka, Noriko; Arakawa, Kazuo; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hiroyuki*; Watanabe, Shin*; Takahashi, Tadayuki*; et al.

no journal, , 

Oral presentation

Performance characterization of a prototype Si/CdTe Compton camera

Kawachi, Naoki; Watanabe, Shigeki; Fujimaki, Shu; Ishioka, Noriko; Sato, Takahiro; Kamiya, Tomihiro; Arakawa, Kazuo; Watanabe, Shin*; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; et al.

no journal, , 

Oral presentation

Development of Si/CdTe Compton camera for medical imaging

Yamaguchi, Mitsutaka*; Arakawa, Kazuo; Aono, Hiroyuki*; Ishikawa, Shinnosuke*; Kamiya, Tomihiro; Kawachi, Naoki; Odaka, Hirokazu*; Sakurai, Hideyuki*; Sato, Takahiro; Shimada, Hirofumi*; et al.

no journal, , 

Oral presentation

In vivo study of Si/CdTe Compton imaging device

Yoshida, Yukari*; Shimada, Hirofumi*; Kawachi, Naoki; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hiroyuki*; Suzuki, Yoshiyuki*; Sakurai, Hideyuki*; Watanabe, Shin*; Yamaguchi, Mitsutaka*; et al.

no journal, , 

Oral presentation

Clinical application of Si/CdTe Compton imaging device

Suzuki, Yoshiyuki*; Yoshida, Yukari*; Shimada, Hirofumi*; Kato, Hiroyuki*; Sakurai, Hideyuki*; Kawachi, Naoki; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hiroyuki*; Watanabe, Shin*; et al.

no journal, , 

no abstracts in English

Oral presentation

Study of spatial resolution of multi-head Si/CdTe Compton camera for medical application

Yamaguchi, Mitsutaka; Kawachi, Naoki; Watanabe, Shigeki; Sato, Takahiro; Arakawa, Kazuo; Kojima, Takuji; Kamiya, Tomihiro; Watanabe, Shin*; Takeda, Shinichiro*; Odaka, Hirokazu*; et al.

no journal, , 

no abstracts in English

Oral presentation

Next-generation RI imaging instrument; Development of semiconductor Compton camera

Kawachi, Naoki; Yamaguchi, Mitsutaka; Sato, Takahiro; Kamiya, Tomihiro; Arakawa, Kazuo*; Watanabe, Shigeki; Ishioka, Noriko; Takeda, Shinichiro*; Ishikawa, Shinnosuke*; Aono, Hiroyuki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Estimation of the radiocaesium particle fraction in suspended sediment in river waters

Takeuchi, Yukio*; Taniguchi, Keisuke*; Arai, Hirotsugu*; Yoshita, Hirofumi*; Fujita, Kazuki*; Takahashi, Yusuke*; Kuramoto, Takayuki*; Nomura, Naoki*; Hagiwara, Hiroki; Dohi, Terumi; et al.

no journal, , 

no abstracts in English

12 (Records 1-12 displayed on this page)
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