Rapid detection of Escherichia coli O157:H7 using tunneling magnetoresistance biosensor

Yuanzhao Wu; Yiwei Liu; Qingfeng Zhan; J. Ping Liu; Run Wei Li

doi:10.1063/1.4977017

Rapid detection of Escherichia coli O157:H7 using tunneling magnetoresistance biosensor

Yuanzhao Wu
, Yiwei Liu
, Qingfeng Zhan
, J. Ping Liu
, Run Wei Li

CAS - Ningbo Institute of Material Technology and Engineering

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

31 Scopus citations

Abstract

A rapid method for the sensitive detection of bacteria using magnetic immunoassay, which are measured with a tunneling magnetoresistance (TMR) sensor, is described. For the measurement of Escherichia coli O157:H7 (E. coli O157:H7) bacteria, the target was labeled by magnetic beads through magnetic immunoassay. The magnetic beads produce a weak magnetic fringe field when external field is applied, thus induce the magnetoresistance change of TMR sensor. A detection limit of 100 CFU/mL E. coli O157:H7 bacteria in 5 hours was obtained. With its high sensitive and rapid detection scheme based on the TMR biosensor, the detection system is an excellent candidate suitable and promising for food safety and biomedical detection.

Original language	English
Article number	056658
Journal	AIP Advances
Volume	7
Issue number	5
DOIs	https://doi.org/10.1063/1.4977017
State	Published - 1 May 2017
Externally published	Yes

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10.1063/1.4977017

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@article{8c55a9b8bfe442eda65adb771dd48e47,

title = "Rapid detection of Escherichia coli O157:H7 using tunneling magnetoresistance biosensor",

abstract = "A rapid method for the sensitive detection of bacteria using magnetic immunoassay, which are measured with a tunneling magnetoresistance (TMR) sensor, is described. For the measurement of Escherichia coli O157:H7 (E. coli O157:H7) bacteria, the target was labeled by magnetic beads through magnetic immunoassay. The magnetic beads produce a weak magnetic fringe field when external field is applied, thus induce the magnetoresistance change of TMR sensor. A detection limit of 100 CFU/mL E. coli O157:H7 bacteria in 5 hours was obtained. With its high sensitive and rapid detection scheme based on the TMR biosensor, the detection system is an excellent candidate suitable and promising for food safety and biomedical detection.",

author = "Yuanzhao Wu and Yiwei Liu and Qingfeng Zhan and Liu, \{J. Ping\} and Li, \{Run Wei\}",

note = "Publisher Copyright: {\textcopyright} 2017 Author(s).",

year = "2017",

month = may,

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doi = "10.1063/1.4977017",

language = "英语",

volume = "7",

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T1 - Rapid detection of Escherichia coli O157:H7 using tunneling magnetoresistance biosensor

AU - Wu, Yuanzhao

AU - Liu, Yiwei

AU - Zhan, Qingfeng

AU - Liu, J. Ping

AU - Li, Run Wei

PY - 2017/5/1

Y1 - 2017/5/1

N2 - A rapid method for the sensitive detection of bacteria using magnetic immunoassay, which are measured with a tunneling magnetoresistance (TMR) sensor, is described. For the measurement of Escherichia coli O157:H7 (E. coli O157:H7) bacteria, the target was labeled by magnetic beads through magnetic immunoassay. The magnetic beads produce a weak magnetic fringe field when external field is applied, thus induce the magnetoresistance change of TMR sensor. A detection limit of 100 CFU/mL E. coli O157:H7 bacteria in 5 hours was obtained. With its high sensitive and rapid detection scheme based on the TMR biosensor, the detection system is an excellent candidate suitable and promising for food safety and biomedical detection.

AB - A rapid method for the sensitive detection of bacteria using magnetic immunoassay, which are measured with a tunneling magnetoresistance (TMR) sensor, is described. For the measurement of Escherichia coli O157:H7 (E. coli O157:H7) bacteria, the target was labeled by magnetic beads through magnetic immunoassay. The magnetic beads produce a weak magnetic fringe field when external field is applied, thus induce the magnetoresistance change of TMR sensor. A detection limit of 100 CFU/mL E. coli O157:H7 bacteria in 5 hours was obtained. With its high sensitive and rapid detection scheme based on the TMR biosensor, the detection system is an excellent candidate suitable and promising for food safety and biomedical detection.

UR - https://www.scopus.com/pages/publications/85013175276

U2 - 10.1063/1.4977017

DO - 10.1063/1.4977017

M3 - 文章

AN - SCOPUS:85013175276

SN - 2158-3226

VL - 7

JO - AIP Advances

JF - AIP Advances

IS - 5

M1 - 056658

ER -

Rapid detection of Escherichia coli O157:H7 using tunneling magnetoresistance biosensor

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