Improvement of a Phosphate Ion-selective Microsensor Using Bis(dibromophenylstannyl)methane as a Carrier

Satoh, Hisashi; Miyazaki, Yuji; Taniuch, Shou; Oshiki, Mamoru; Rathnayake, Rathnayake M. L. D; Takahashi, Masahiro; Okabe, Satoshi

Improvement of a Phosphate Ion-selective Microsensor Using Bis(dibromophenylstannyl)methane as a Carrier

Satoh, Hisashi; Miyazaki, Yuji; Taniuch, Shou et al.

Analytical Sciences, 2017, 33(7), 825-830

Permalink : https://hdl.handle.net/2115/67039

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アクセス権	open access
URI	https://hdl.handle.net/2115/67039
タイトル	Improvement of a Phosphate Ion-selective Microsensor Using Bis(dibromophenylstannyl)methane as a Carrier
著者	Satoh, Hisashi ; Miyazaki, Yuji ; Taniuch, Shou ; Oshiki, Mamoru ; Rathnayake, Rathnayake M. L. D ; Takahashi, Masahiro ; Okabe, Satoshi
e-Rad_Researcher 80326636 著者名 Satoh, Hisashi
著者名 Miyazaki, Yuji
著者名 Taniuch, Shou
著者名 Oshiki, Mamoru
著者名 Rathnayake, Rathnayake M. L. D
著者名 Takahashi, Masahiro
e-Rad_Researcher 10253816 著者名 Okabe, Satoshi
言語	英語
キーワード	Phosphate microsensor
	ionophore-doped sensing membrane
	bis(dibromophenylstannyl)methane
	tip diameter
発行日	2017
出版者	Japan Society for Analytical Chemistry
収録物名	Analytical Sciences
巻(号)	33(7)
ページ	825-830
抄録	An ionophore-doped sensing membrane phosphate (PO4) microsensor based on bis(dibromophenylstannyl)methane (Bis microsensor) is described. The Bis microsensor showed a Nernstian response. The response of the Bis microsensor was log-linear down to a monohydrogen phosphate ion (HPO42−) concentration of 0.5 μM (corresponding to 1.0 μM of orthophosphate at pH 7.2), whereas the detection limit of PO4-microsensors based on trialkyl/aryltin chloride was 50 μM of HPO42−. The Bis microsensor showed excellent selectivity for HPO42− against nitrite, nitrate, chloride, bicarbonate and sulfate, as compared with PO4 microsensors based on trialkyl/aryltin chloride. Dissolved oxygen, which is known to interfere with the response of a previously developed cobalt-based potentiometric solid-state PO4 microsensor, had no effect on the response of the ionophore-doped sensing membrane-type microsensors described herein. Only OH− (i.e., pH) interfered with the ionophore-doped sensing membrane-type microsensors.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	0910-6340
関連情報	PMID 28690261
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.2116/analsci.33.825