Refine your search:     
Report No.
 - 
Search Results: Records 1-3 displayed on this page of 3
  • 1

Presentation/Publication Type

Initialising ...

Refine

Journal/Book Title

Initialising ...

Meeting title

Initialising ...

First Author

Initialising ...

Keyword

Initialising ...

Language

Initialising ...

Publication Year

Initialising ...

Held year of conference

Initialising ...

Save select records

Oral presentation

Capillary electrophoresis with laser-induced fluorescent detection method using highly emissive probes for analysis of uranium in radioactive wastes

Haraga, Tomoko; Sato, Yoshiyuki*; Shibukawa, Masami*; Kameo, Yutaka; Takahashi, Kuniaki; Saito, Shingo*

no journal, , 

JP, 2012-034711   Patent publication (In Japanese)

Actinides (Th, U, Np, Pu, Am, Cm) are important nuclides for the analysis of radioactive wastes from nuclear facilities. In order to achieve simple and rapid analysis of actinides, capillary electrophoresis-laser-induced fluorescent detection method (CE-LIF) is one of the potential candidates. In this study, new emissive probes of uranium suitable for CE-LIF were developed. The detection and separation of uranyl ions were examined using several new emissive complexing probes, each of which possessed a fluorophore and a different chelating moiety. Using acyclic tetradentate probes, the highly sensitive fluorescent detection of uranyl ions was successfully achieved. The detection limit of mid-ppt levels was determined.

Oral presentation

Development of the novel fluorescent probe selective for uranyl ion for capillary electrophoresis-laser induced fluorescence detection

Sato, Yoshiyuki; Saito, Shingo*; Haraga, Tomoko; Ito, Yuki*; Kameo, Yutaka; Takahashi, Kuniaki; Shibukawa, Masami*

no journal, , 

JP, 2012-034711   Patent publication (In Japanese)

In this research, capillary electrophoresis-laser induced fluorescence detecting method (CE-LIF) as a simple and rapid analytical method for uranyl ion was studied. In order to detect uranyl ion by CE-LIF, the novel fluorescent probe whose chelating group was phenanthroline dicarboxylic acid, was synthesized. This planer tetradenate probe forms a stable complex with uranyl ion. And this complex had strong fluorescence to suppress the quenching of the ligand-centered emission. This complex was applied for CE-LIF and investigated in order to separate from other metal ions. As a result, uranyl ion formed an inert complex and was detected successfully. Furthermore an uranyl ion was separated from coexistence metal ions, such as Ca$$^{2+}$$, Fe$$^{3+}$$, Al$$^{3+}$$ and lanthanide ions, and a lower detection limit of tens ppt revel for uranyl ion was successfully.

Patent

蛍光性ウラン錯体を形成する化合物、その合成方法、ウラン測定用蛍光プロープ及びウランの測定方法

原賀 智子

齋藤 伸吾*; 佐藤 義行*

JP, 2012-034711  Patent licensing information  Patent publication (In Japanese)

【課題】ウランを含む廃液及び廃棄物中のウランの安価な装置による定性分析法及び定量分析法で使用されるウラン測定用蛍光プローブとなる化合物を提供する。 【解決手段】下記式で示される化合物。(化学式のため省略)

3 (Records 1-3 displayed on this page)
  • 1