Smartphone based portable bacteria pre-concentrating microfluidic sensor and impedance sensing system

Jing Jiang; Xinhao Wang; Ran Chao; Yukun Ren; Chengpeng Hu; Zhida Xu; Gang Logan Liu

doi:10.1016/j.snb.2013.11.103

Smartphone based portable bacteria pre-concentrating microfluidic sensor and impedance sensing system

Jing Jiang, Xinhao Wang, Ran Chao, Yukun Ren, Chengpeng Hu, Zhida Xu, Gang Logan Liu

Research output: Contribution to journal › Article › peer-review

Abstract

Portable low-cost sensors and sensing systems for the identification and quantitative measurement of bacteria in field water are critical in preventing drinking water from being contaminated by bacteria. In this article, we reported the design, fabrication and testing of a low-cost, miniaturized and sensitive bacteria sensor based on electrical impedance spectroscopy method using a smartphone as the platform. Our design of microfluidics enabled the pre-concentration of the bacteria which lowered the detection limit to 10 bacterial cells per milliliter. We envision that our demonstrated smartphone-based sensing system will realize highly-sensitive and rapid in-field quantification of multiple species of bacteria and pathogens.

Original language	English (US)
Pages (from-to)	653-659
Number of pages	7
Journal	Sensors and Actuators, B: Chemical
Volume	193
DOIs	https://doi.org/10.1016/j.snb.2013.11.103
State	Published - Mar 31 2014
Externally published	Yes

Keywords

Bacteria sensing
Impedance spectroscopy
Smartphone sensor
Wireless sensor

ASJC Scopus subject areas

Instrumentation
Materials Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Online availability

10.1016/j.snb.2013.11.103

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title = "Smartphone based portable bacteria pre-concentrating microfluidic sensor and impedance sensing system",

abstract = "Portable low-cost sensors and sensing systems for the identification and quantitative measurement of bacteria in field water are critical in preventing drinking water from being contaminated by bacteria. In this article, we reported the design, fabrication and testing of a low-cost, miniaturized and sensitive bacteria sensor based on electrical impedance spectroscopy method using a smartphone as the platform. Our design of microfluidics enabled the pre-concentration of the bacteria which lowered the detection limit to 10 bacterial cells per milliliter. We envision that our demonstrated smartphone-based sensing system will realize highly-sensitive and rapid in-field quantification of multiple species of bacteria and pathogens.",

keywords = "Bacteria sensing, Impedance spectroscopy, Smartphone sensor, Wireless sensor",

author = "Jing Jiang and Xinhao Wang and Ran Chao and Yukun Ren and Chengpeng Hu and Zhida Xu and Liu, {Gang Logan}",

note = "Funding Information: This work was financially supported by the U.S. Army CERL grant number W9132T-12-2-016 . We also thank Ms. Wenchuan Wei for helping testing the software code to control the AD5933 chip. ",

year = "2014",

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doi = "10.1016/j.snb.2013.11.103",

language = "English (US)",

volume = "193",

pages = "653--659",

journal = "Sensors and Actuators, B: Chemical",

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publisher = "Elsevier B.V.",

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T1 - Smartphone based portable bacteria pre-concentrating microfluidic sensor and impedance sensing system

AU - Jiang, Jing

AU - Wang, Xinhao

AU - Chao, Ran

AU - Ren, Yukun

AU - Hu, Chengpeng

AU - Xu, Zhida

AU - Liu, Gang Logan

N1 - Funding Information: This work was financially supported by the U.S. Army CERL grant number W9132T-12-2-016 . We also thank Ms. Wenchuan Wei for helping testing the software code to control the AD5933 chip.

PY - 2014/3/31

Y1 - 2014/3/31

N2 - Portable low-cost sensors and sensing systems for the identification and quantitative measurement of bacteria in field water are critical in preventing drinking water from being contaminated by bacteria. In this article, we reported the design, fabrication and testing of a low-cost, miniaturized and sensitive bacteria sensor based on electrical impedance spectroscopy method using a smartphone as the platform. Our design of microfluidics enabled the pre-concentration of the bacteria which lowered the detection limit to 10 bacterial cells per milliliter. We envision that our demonstrated smartphone-based sensing system will realize highly-sensitive and rapid in-field quantification of multiple species of bacteria and pathogens.

AB - Portable low-cost sensors and sensing systems for the identification and quantitative measurement of bacteria in field water are critical in preventing drinking water from being contaminated by bacteria. In this article, we reported the design, fabrication and testing of a low-cost, miniaturized and sensitive bacteria sensor based on electrical impedance spectroscopy method using a smartphone as the platform. Our design of microfluidics enabled the pre-concentration of the bacteria which lowered the detection limit to 10 bacterial cells per milliliter. We envision that our demonstrated smartphone-based sensing system will realize highly-sensitive and rapid in-field quantification of multiple species of bacteria and pathogens.

KW - Bacteria sensing

KW - Impedance spectroscopy

KW - Smartphone sensor

KW - Wireless sensor

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JO - Sensors and Actuators, B: Chemical

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Smartphone based portable bacteria pre-concentrating microfluidic sensor and impedance sensing system

Abstract

Keywords

ASJC Scopus subject areas

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