Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Hirokazu Ohta"'
Autor:
Hiromi Shimokawa, Mikiyasu Sakanaka, Yuki Fujisawa, Hirokazu Ohta, Yuta Sugiyama, Shin Kurihara
Publikováno v:
Biomedicines, Vol 11, Iss 4, p 1123 (2023)
Polyamines are bioactive amines that play a variety of roles, such as promoting cell proliferation and protein synthesis, and the intestinal lumen contains up to several mM polyamines derived from the gut microbiota. In the present study, we conducte
Externí odkaz:
https://doaj.org/article/66ac42912f6c4c1e93259f9112782857
Autor:
Kazuya Ohgama, Toshiharu Hara, Hirokazu Ohta, Masayuki Naganuma, Shigeo Ohki, Masatoshi Iizuka
Publikováno v:
Journal of Nuclear Science and Technology. 59:735-747
Publikováno v:
Microscopy and Microanalysis. 27:1056-1068
Measurements of highly radioactive actinides such as Np, Pu, Am, or Cm in as-fabricated or irradiated nuclear fuels are crucial to improve the safety and performance of the nuclear fuel cycle, but also necessary to find solutions to the environmental
Publikováno v:
Journal of Electroanalytical Chemistry. 804:128-132
A mediator-less amperometric biosensor for putrescine detection was proposed to obtain a (pseudo) steady-state catalytic current. Putrescine oxidase (PuOD) and peroxidase (POD) were co-immobilized with glutaraldehyde on a Ketjen Black (KB)-based meso
Autor:
Hirokazu Ohta, Vincenzo V. Rondinella, S. Bremier, Takanari Ogata, Luca Capriotti, D. Papaioannou, Kenta Inagaki, P. Pöml
Publikováno v:
Progress in Nuclear Energy. 94:194-201
The METAPHIX programme is a collaboration between the Central Research Institute of Electric Power Industry (CRIEPI, Japan) and the Joint Research Centre - Institute for Transuranium Elements (JRC-ITU) of the European Commission dedicated to investig
Autor:
Luca Capriotti, Takanari Ogata, Kenta Inagaki, Vincenzo V. Rondinella, P. Poeml, Hirokazu Ohta, S. Bremier
Publikováno v:
Journal of Nuclear Materials. 480:109-119
The METAPHIX project is a collaboration between CRIEPI and JRC-ITU investigating safety and performance of a closed fuel cycle option based on fast reactor metal alloy fuels containing Minor Actinides (MA). The aim of the project is to investigate th
Publikováno v:
Journal of Nuclear Science and Technology. 53:968-980
An irradiation experiment on uranium–plutonium–zirconium (U–Pu–Zr) alloys containing 5 wt% or less minor actinides (MAs) and rare earths was carried out in the Phenix fast reactor. The isotope comp...
Publikováno v:
Microscopy and Microanalysis. 26:874-874
Autor:
Mikiyasu Sakanaka, Yuta Sugiyama, Rika Hirano, Takashi Koyanagi, Hirokazu Ohta, Shin Kurihara, Hiromi Shimokawa
Publikováno v:
Analytical Biochemistry. 593:113607
Quantification of polyamines, including putrescine, is generally performed using high-performance liquid chromatography (HPLC) or gas chromatography. However, these methods are time-consuming because of sample derivatization and analytical reagent pr
Publikováno v:
Journal of Nuclear Science and Technology. 52:1074-1083
Capture credit (CapC) based on neutron-induced gamma ray spectroscopy (NIGS) is proposed to confirm the subcriticality of fuel debris in which nuclear fuel and structural materials are co-melted or...