A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode

For the hundreds of millions of worldwide diabetic patients, glucose test strips are the most important and commonly used tool for monitoring blood glucose levels. Commercial test strips use glucose oxidases as recognition agents, which increases the cost and reduces the durability of test strips. T...

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Main Authors: Zheyuan Chen, Christopher Wright, Onder Dincel, Ting-Yen Chi, Jun Kameoka
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/20/4/1098
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author Zheyuan Chen
Christopher Wright
Onder Dincel
Ting-Yen Chi
Jun Kameoka
author_facet Zheyuan Chen
Christopher Wright
Onder Dincel
Ting-Yen Chi
Jun Kameoka
author_sort Zheyuan Chen
collection DOAJ
description For the hundreds of millions of worldwide diabetic patients, glucose test strips are the most important and commonly used tool for monitoring blood glucose levels. Commercial test strips use glucose oxidases as recognition agents, which increases the cost and reduces the durability of test strips. To lower the cost of glucose sensors, we developed a paper-based electrical sensor with molecularly imprinted glucose recognition sites and demonstrated the determination of various glucose concentrations in bovine blood solutions. The sensing electrode is integrated with molecular recognition sites in the conductive polymer. A calibration graph as a function of glucose concentration in aqueous solution was acquired and matched with a correlation coefficient of 0.989. We also demonstrated the determination of the added glucose concentrations ranging from 2.2 to 11.1 mM in bovine blood samples with a linear correlation coefficient of 0.984. This non-enzymatic glucose sensor has the potential to reduce the health care cost of test strips as well as make glucose sensor test strips more accessible to underserved communities.
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spelling doaj.art-f11b90dab376471f988d9d04b769bf7e2022-12-22T04:23:46ZengMDPI AGSensors1424-82202020-02-01204109810.3390/s20041098s20041098A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline ElectrodeZheyuan Chen0Christopher Wright1Onder Dincel2Ting-Yen Chi3Jun Kameoka4Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Materials Science and Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77840, USAFor the hundreds of millions of worldwide diabetic patients, glucose test strips are the most important and commonly used tool for monitoring blood glucose levels. Commercial test strips use glucose oxidases as recognition agents, which increases the cost and reduces the durability of test strips. To lower the cost of glucose sensors, we developed a paper-based electrical sensor with molecularly imprinted glucose recognition sites and demonstrated the determination of various glucose concentrations in bovine blood solutions. The sensing electrode is integrated with molecular recognition sites in the conductive polymer. A calibration graph as a function of glucose concentration in aqueous solution was acquired and matched with a correlation coefficient of 0.989. We also demonstrated the determination of the added glucose concentrations ranging from 2.2 to 11.1 mM in bovine blood samples with a linear correlation coefficient of 0.984. This non-enzymatic glucose sensor has the potential to reduce the health care cost of test strips as well as make glucose sensor test strips more accessible to underserved communities.https://www.mdpi.com/1424-8220/20/4/1098low costenzyme freepaper sensormolecular imprintingpolyanilineglucose sensing
spellingShingle Zheyuan Chen
Christopher Wright
Onder Dincel
Ting-Yen Chi
Jun Kameoka
A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
Sensors
low cost
enzyme free
paper sensor
molecular imprinting
polyaniline
glucose sensing
title A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
title_full A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
title_fullStr A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
title_full_unstemmed A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
title_short A Low-Cost Paper Glucose Sensor with Molecularly Imprinted Polyaniline Electrode
title_sort low cost paper glucose sensor with molecularly imprinted polyaniline electrode
topic low cost
enzyme free
paper sensor
molecular imprinting
polyaniline
glucose sensing
url https://www.mdpi.com/1424-8220/20/4/1098
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