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- Zhang Lan
- Research Center for Ubiquitous MEMS and Micro Engineering (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST)
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- Lu Jian
- Research Center for Ubiquitous MEMS and Micro Engineering (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST)
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- Nogami Hirofumi
- Research Center for Ubiquitous MEMS and Micro Engineering (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST) Department of Mechanical Engineering, Kyushu University
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- Okada Hironao
- Research Center for Ubiquitous MEMS and Micro Engineering (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST)
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- Itoh Toshihiro
- Research Center for Ubiquitous MEMS and Micro Engineering (UMEMSME), National Institute of Advanced Industrial Science and Technology (AIST) Department of Human and Engineered Environmental Studies, the University of Tokyo
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説明
<p>A solid-type pH sensor for dairy cow-rumen measurement is developed. The pH sensor combines a metal-oxide-semiconductor field-effect transistor (MOSFET) with a separate sensing electrode made of indium tin oxide (ITO) film, which is a separate sensing component and connected to the gate terminal of the FET. The developed pH sensor offers the advantages of FET and ITO sensing techniques. The sensor system can be fabricated with a compact size by eliminating the reference solution. The solid-state sensor structure is fit for long-term pH measurement, and the separate ITO sensing electrode can be patterned with a suitable capture structure for cow-rumen test environment. The results show that the pH sensor has a <1 mA baseline for pH = 7 and >14 µA/pH measurement sensitivity. After good packaging, the solid pH sensor is adapted to sense the daily range of pH value of the rumen, and the developed sensor can help farmers efficiently monitor the health condition of wagyu cows.</p>
収録刊行物
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- 電気学会論文誌E(センサ・マイクロマシン部門誌)
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電気学会論文誌E(センサ・マイクロマシン部門誌) 136 (11), 482-487, 2016
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204460370176
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- NII論文ID
- 130005268394
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- NII書誌ID
- AN1052634X
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- ISSN
- 13475525
- 13418939
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- NDL書誌ID
- 027746186
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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