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Journal Articles

Spectroscopic and first-principles investigations of iodine species incorporation into ettringite; Implications for iodine migration in cement waste forms

Guo, B.*; Xiong, Y.*; Chen, W.*; Saslow, S. A.*; Kozai, Naofumi; Onuki, Toshihiko*; Dabo, I.*; Sasaki, Keiko*

Journal of Hazardous Materials, 389, p.121880_1 - 121880_11, 2020/05

 Times Cited Count:48 Percentile:89.61(Engineering, Environmental)

Journal Articles

Quantitative analysis of radiocesium retention onto birnessite and todorokite

Yu, Q.*; Onuki, Toshihiko*; Kozai, Naofumi; Sakamoto, Fuminori; Tanaka, Kazuya; Sasaki, Keiko*

Chemical Geology, 470, p.141 - 151, 2017/10

 Times Cited Count:16 Percentile:52.34(Geochemistry & Geophysics)

In this work, the Cs retention onto two types of Mn oxide was investigated. We found that Todorokite has sorption sites with a higher selectivity for Cs than birnessite. When the initial Cs concentration was 10$$^{-9}$$ mol/L for the sorption experiments, approximately 34% of the sorbed Cs was residual in the todorokite after the extraction using 1 M NaCl and NH$$_{4}$$Cl; this value was much higher than the results for the Cs-sorbed birnessite. These results strongly suggest that todorokite contributes to the fixation of radioactive Cs in soils.

Journal Articles

In situ X-ray diffraction investigation of the evolution of a nanocrystalline lithium-ion sieve from biogenic manganese oxide

Yu, Q.; Sasaki, Keiko*

Hydrometallurgy, 150, p.253 - 258, 2014/12

 Times Cited Count:9 Percentile:40.71(Metallurgy & Metallurgical Engineering)

Journal Articles

Adsorption characteristics of Cs$$^{+}$$ on biogenic birnessite

Sasaki, Keiko*; Yu, Q.; Momoki, Taichi*; Kaseyama, Takuya*

Applied Clay Science, 101, p.23 - 29, 2014/11

 Times Cited Count:13 Percentile:39.32(Chemistry, Physical)

Journal Articles

Cobalt(II) oxidation by biogenic Mn oxide produced by $$Pseudomonas$$ sp. strain NGY-1

Tanaka, Kazuya*; Yu, Q.; Sasaki, Keiko*; Onuki, Toshihiko

Geomicrobiology Journal, 30(10), p.874 - 885, 2013/08

 Times Cited Count:17 Percentile:41.55(Environmental Sciences)

no abstracts in English

Journal Articles

Zinc sorption during bio-oxidation and precipitation of manganese modifies the layer stacking of biogenic birnessite

Yu, Q.; Sasaki, Keiko*; Tanaka, Kazuya*; Onuki, Toshihiko; Hirajima, Tsuyoshi*

Geomicrobiology Journal, 30(9), p.829 - 839, 2013/07

 Times Cited Count:36 Percentile:70.85(Environmental Sciences)

no abstracts in English

Journal Articles

Structural factors of biogenic birnessite produced by fungus ${it Paraconiothyrium}$ sp. WL-2 strain affecting sorption of Co$$^{2+}$$

Yu, Q.*; Sasaki, Keiko*; Tanaka, Kazuya*; Onuki, Toshihiko; Hirajima, Tsuyoshi*

Chemical Geology, 310-311, p.106 - 113, 2012/06

 Times Cited Count:65 Percentile:84.12(Geochemistry & Geophysics)

These results strongly suggested that the interlayer Mn(III) can oxidize the adsorbed Co$$^{2+}$$ to Co$$^{3+}$$, resulting in specific adsorption of Co$$^{2+}$$ by biogenic birnessite.

Journal Articles

Characterization of secondary arsenic-bearing precipitates formed in the bioleaching of enargite by $$Acidithiobacillus ferrooxidans$$

Sasaki, Keiko*; Takatsugi, Koichiro*; Kaneko, Kenji*; Kozai, Naofumi; Onuki, Toshihiko; Tuovinen, O. H.*; Hirajima, Tsuyoshi*

Hydrometallurgy, 104(3-4), p.424 - 431, 2010/10

 Times Cited Count:23 Percentile:70.09(Metallurgy & Metallurgical Engineering)

no abstracts in English

Journal Articles

Bioleaching of enargite by arsenic-tolerant $$Acidithiobacillus$$ $$ferrooxidans$$

Sasaki, Keiko*; Takatsugi, Koichiro*; Hirajima, Tsuyoshi*; Kozai, Naofumi; Onuki, Toshihiko; Tuovinen, O. H.*

Advanced Materials Research, 71-73, p.485 - 488, 2009/05

 Times Cited Count:4 Percentile:89.10(Ecology)

no abstracts in English

JAEA Reports

Visualization program development using Java

Sasaki, Akira; Sudo, Keiko; Yokota, Hisashi*

JAERI-Data/Code 2002-003, 54 Pages, 2002/03

JAERI-Data-Code-2002-003.pdf:4.26MB

no abstracts in English

Journal Articles

X-ray emission from hollow atoms produced by collisions of multiply charged ions with a solid

Moribayashi, Kengo; Sudo, Keiko*; Zhidkov, A. G.; Sasaki, Akira; Kagawa, Takashi*

Laser and Particle Beams, 19(4), p.643 - 646, 2001/10

 Times Cited Count:6 Percentile:30.30(Physics, Applied)

no abstracts in English

Journal Articles

Inner-shell ionization in high density hot plasma produced by high intensity laser irradiation

Moribayashi, Kengo; Zhidkov, A. J.*; Sasaki, Akira; Sudo, Keiko; Suzuki, Shingo*

Atomic Collision Research in Japan, No.27, p.1 - 3, 2001/00

no abstracts in English

Journal Articles

Short wavelength X-ray emission from inner-shell excited states generated by high intensity laser irradiation on Kr, Xe clusters

Moribayashi, Kengo; Zhidkov, A. G.; Sasaki, Akira; Sudo, Keiko; Suzuki, Shingo*

Proceedings of 2nd International Conference on Inertial Fusion Sciences and Applications (IFSA 2001), p.1182 - 1185, 2001/00

no abstracts in English

Journal Articles

Application of X-ray emission from inner-shell excited states and hollow atoms produced by high intensity laser irradiation

Moribayashi, Kengo; Sasaki, Akira; Zhidkov, A. G.; Ueshima, Yutaka; Sudo, Keiko*; Kagawa, Takashi*

Atomic Collision Research in Japan, No.26, p.111 - 113, 2000/00

no abstracts in English

JAEA Reports

The Analysis of the Mozart expeimental data

Kobayashi, Takatoshi*; Yokobori, Hitoshi*; Sasaki, Makoto*; Tada, Keiko*

PNC TJ206 73-07, 228 Pages, 1973/04

PNC-TJ206-73-07.pdf:8.06MB

no abstracts in English

15 (Records 1-15 displayed on this page)
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