Low-power and high-sensitive pH sensor for monitoring of cow-rumen in real time

Lan Zhang; Jian Lu; Hironao Okada; Hirofumi Nogami; Toshihiro Itoh; Shozo Arai

doi:10.1109/ICSENS.2016.7808892

Low-power and high-sensitive pH sensor for monitoring of cow-rumen in real time

Lan Zhang
, Jian Lu
, Hironao Okada
, Hirofumi Nogami
, Toshihiro Itoh
, Shozo Arai

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

In this paper, a solid type pH sensor with ultra-low power consumption of 8.2 X 10^-4 mAh for each measurement and ultra-high accuracy of 0.01pH was developed for real-time monitoring of cow-rumen. The sensor combines a metal-oxide-semiconductor field-effect transistor (MOSFET) with a separate gate as a sensing electrode, which was fabricated by indium tin oxide (ITO) with an optimized capture structure. The evaluation results revealed that the sensor has high-sensitivity of >14 μα/pH, while keeping a stable baseline at pH 7 in cow's rumen for several days. Fields test was carried out by using above sensor, which clearly demonstrated that the pH values strongly depend on activities of the cow recorded by a camera. The developed pH sensor is believed significant important for preventing diseases as well as for improving the efficiency of the food production.

Original language	English
Title of host publication	IEEE Sensors, SENSORS 2016 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781479982875
DOIs	https://doi.org/10.1109/ICSENS.2016.7808892
Publication status	Published - Jan 5 2016
Event	15th IEEE Sensors Conference, SENSORS 2016 - Orlando, United States Duration: Oct 30 2016 → Nov 2 2016

Publication series

Name	Proceedings of IEEE Sensors
Volume	0
ISSN (Print)	1930-0395
ISSN (Electronic)	2168-9229

Other

Other	15th IEEE Sensors Conference, SENSORS 2016
Country/Territory	United States
City	Orlando
Period	10/30/16 → 11/2/16

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 2 Zero Hunger

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering

Access to Document

10.1109/ICSENS.2016.7808892

Cite this

Zhang, L, Lu, J, Okada, H, Nogami, H, Itoh, T & Arai, S 2016, Low-power and high-sensitive pH sensor for monitoring of cow-rumen in real time. in IEEE Sensors, SENSORS 2016 - Proceedings., 7808892, Proceedings of IEEE Sensors, vol. 0, Institute of Electrical and Electronics Engineers Inc., 15th IEEE Sensors Conference, SENSORS 2016, Orlando, United States, 10/30/16. https://doi.org/10.1109/ICSENS.2016.7808892

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title = "Low-power and high-sensitive pH sensor for monitoring of cow-rumen in real time",

abstract = "In this paper, a solid type pH sensor with ultra-low power consumption of 8.2 X 10-4 mAh for each measurement and ultra-high accuracy of 0.01pH was developed for real-time monitoring of cow-rumen. The sensor combines a metal-oxide-semiconductor field-effect transistor (MOSFET) with a separate gate as a sensing electrode, which was fabricated by indium tin oxide (ITO) with an optimized capture structure. The evaluation results revealed that the sensor has high-sensitivity of >14 μα/pH, while keeping a stable baseline at pH 7 in cow's rumen for several days. Fields test was carried out by using above sensor, which clearly demonstrated that the pH values strongly depend on activities of the cow recorded by a camera. The developed pH sensor is believed significant important for preventing diseases as well as for improving the efficiency of the food production.",

author = "Lan Zhang and Jian Lu and Hironao Okada and Hirofumi Nogami and Toshihiro Itoh and Shozo Arai",

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AU - Zhang, Lan

AU - Lu, Jian

AU - Okada, Hironao

AU - Nogami, Hirofumi

AU - Itoh, Toshihiro

AU - Arai, Shozo

PY - 2016/1/5

Y1 - 2016/1/5

N2 - In this paper, a solid type pH sensor with ultra-low power consumption of 8.2 X 10-4 mAh for each measurement and ultra-high accuracy of 0.01pH was developed for real-time monitoring of cow-rumen. The sensor combines a metal-oxide-semiconductor field-effect transistor (MOSFET) with a separate gate as a sensing electrode, which was fabricated by indium tin oxide (ITO) with an optimized capture structure. The evaluation results revealed that the sensor has high-sensitivity of >14 μα/pH, while keeping a stable baseline at pH 7 in cow's rumen for several days. Fields test was carried out by using above sensor, which clearly demonstrated that the pH values strongly depend on activities of the cow recorded by a camera. The developed pH sensor is believed significant important for preventing diseases as well as for improving the efficiency of the food production.

AB - In this paper, a solid type pH sensor with ultra-low power consumption of 8.2 X 10-4 mAh for each measurement and ultra-high accuracy of 0.01pH was developed for real-time monitoring of cow-rumen. The sensor combines a metal-oxide-semiconductor field-effect transistor (MOSFET) with a separate gate as a sensing electrode, which was fabricated by indium tin oxide (ITO) with an optimized capture structure. The evaluation results revealed that the sensor has high-sensitivity of >14 μα/pH, while keeping a stable baseline at pH 7 in cow's rumen for several days. Fields test was carried out by using above sensor, which clearly demonstrated that the pH values strongly depend on activities of the cow recorded by a camera. The developed pH sensor is believed significant important for preventing diseases as well as for improving the efficiency of the food production.

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M3 - Conference contribution

AN - SCOPUS:85010966185

T3 - Proceedings of IEEE Sensors

BT - IEEE Sensors, SENSORS 2016 - Proceedings

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 15th IEEE Sensors Conference, SENSORS 2016

Y2 - 30 October 2016 through 2 November 2016

ER -

Low-power and high-sensitive pH sensor for monitoring of cow-rumen in real time

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