A Comparison of Neutral Mg2+-Selective Ionophores in Solvent Polymeric Membranes: Complex Stoichiometry and Lipophilicity.
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- ZHANG Wei
- Centre for Chemical Sensors/Biosensors and bioAnalytical Chemistry, Department of Pharmacy, Swiss Federal Institute of Technology, Zürich
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- JENNY Luzi
- Centre for Chemical Sensors/Biosensors and bioAnalytical Chemistry, Department of Pharmacy, Swiss Federal Institute of Technology, Zürich
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- SPICHIGER Ursula E.
- Centre for Chemical Sensors/Biosensors and bioAnalytical Chemistry, Department of Pharmacy, Swiss Federal Institute of Technology, Zürich
Bibliographic Information
- Other Title
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- A Comparison of Neutral Mg〔2+〕-Selective Ionophores in Solvent Polymeric Membranes:Complex Stoichiometry and Lipophilicity
- Comparison of Neutral Mg 2 Selective Ionophores in Solvent Polymeric Membranes Complex Stoichiometry and Lipophilicity
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Abstract
Monopodal and oligopodal Mg2+-selective ionophores were characterized by their selectivity coefficients (Separate Solution Method, SSM) in plasticized poly(vinyl chloride) (PVC) membranes. Based on a theoretical model published earlier, the stoichiometry of the Mg2+-ligand complexes was estimated while referring to the optimum molar ratio of anionic sites relative to ionophore. The sensitivity of malondiamide substituted azacrown compounds to the varying lipophilicity of the plasticizer, and to the addition of anionic sites was compared with malondiamide derivatives attached to a benzene core. In addition, the lipophilicity of these ligands was determined. In conclusion, the two classes of ionophores were rated concerning their use in human blood and urine specimens.
Journal
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- Analytical Sciences
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Analytical Sciences 16 (1), 11-18, 2000
The Japan Society for Analytical Chemistry
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Details 詳細情報について
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- CRID
- 1390001204255281408
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- NII Article ID
- 10004704487
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- NII Book ID
- AA10500785
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- COI
- 1:CAS:528:DC%2BD3cXos1eksQ%3D%3D
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- ISSN
- 13482246
- 09106340
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- NDL BIB ID
- 4966574
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed