Self-contained, automated, long-term sensor system for monitoring of soil and water nutrients in fields
Abstract
An automated, fieldable ion-selective sensor system for frequent detection of nutrients in soils or water is set forth. In one aspect, an integrated small form-factor housing includes a battery, processor, a fluid manipulation unit and reservoirs, and a chemical species detection cell. A flow-through sampling head can be connected to the detection cell and a waste reservoir by flexible tubing sealingly connected at opposite ends of the tube. In one aspect, improved performance of the ion-selective sensor includes adding an ion-to-electron transfer interlayer between an ion-selective membrane and its working electrode. In one aspect, the sensor is solid-state and uses printed polymeric composite of POT-MoS$$_{2}$$. The use of a porous tube for a sampling head and fluid connection at opposite ends allows not only fluid to be removed from the head to the detection cell for measurement but also flow in an opposite direction and out to a waste reservoir to clean and reset for a next sample measurement.
- Inventors:
- Issue Date:
- Research Org.:
- Iowa State Univ., Ames, IA (United States)
- Sponsoring Org.:
- USDA National Institute of Food and Agriculture (NIFA); USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1924868
- Patent Number(s):
- 11378541
- Application Number:
- 16/663,116
- Assignee:
- Iowa State University Research Foundation, Inc. (Ames, IA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B08 - CLEANING B08B - CLEANING IN GENERAL
E - FIXED CONSTRUCTIONS E02 - HYDRAULIC ENGINEERING E02D - FOUNDATIONS
- DOE Contract Number:
- 2017-67013-26463; AR0000824
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/24/2019
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 60 APPLIED LIFE SCIENCES
Citation Formats
Dong, Liang, Jiao, Yueyi, Chen, Yuncong, Ali, Azahar, and Wang, Xinran. Self-contained, automated, long-term sensor system for monitoring of soil and water nutrients in fields. United States: N. p., 2022.
Web.
Dong, Liang, Jiao, Yueyi, Chen, Yuncong, Ali, Azahar, & Wang, Xinran. Self-contained, automated, long-term sensor system for monitoring of soil and water nutrients in fields. United States.
Dong, Liang, Jiao, Yueyi, Chen, Yuncong, Ali, Azahar, and Wang, Xinran. Tue .
"Self-contained, automated, long-term sensor system for monitoring of soil and water nutrients in fields". United States. https://www.osti.gov/servlets/purl/1924868.
@article{osti_1924868,
title = {Self-contained, automated, long-term sensor system for monitoring of soil and water nutrients in fields},
author = {Dong, Liang and Jiao, Yueyi and Chen, Yuncong and Ali, Azahar and Wang, Xinran},
abstractNote = {An automated, fieldable ion-selective sensor system for frequent detection of nutrients in soils or water is set forth. In one aspect, an integrated small form-factor housing includes a battery, processor, a fluid manipulation unit and reservoirs, and a chemical species detection cell. A flow-through sampling head can be connected to the detection cell and a waste reservoir by flexible tubing sealingly connected at opposite ends of the tube. In one aspect, improved performance of the ion-selective sensor includes adding an ion-to-electron transfer interlayer between an ion-selective membrane and its working electrode. In one aspect, the sensor is solid-state and uses printed polymeric composite of POT-MoS$_{2}$. The use of a porous tube for a sampling head and fluid connection at opposite ends allows not only fluid to be removed from the head to the detection cell for measurement but also flow in an opposite direction and out to a waste reservoir to clean and reset for a next sample measurement.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 05 00:00:00 EDT 2022},
month = {Tue Jul 05 00:00:00 EDT 2022}
}
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