Open Access
Open access
npj Flexible Electronics, volume 2, issue 1, publication number 30

A fully inkjet-printed disposable glucose sensor on paper

Publication typeJournal Article
Publication date2018-12-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor14.6
ISSN23974621
General Materials Science
Electrical and Electronic Engineering
Abstract
Inexpensive and easy-to-use diagnostic tools for fast health screening are imperative, especially in the developing world, where portability and affordability are a necessity. Accurate monitoring of metabolite levels can provide useful information regarding key metabolic activities of the body and detect the concomitant irregularities such as in the case of diabetes, a worldwide chronic disease. Today, the majority of daily glucose monitoring tools rely on piercing the skin to draw blood. The pain and discomfort associated with finger pricking have created a global need to develop non-invasive, portable glucose assays. In this work, we develop a disposable analytical device which can measure physiologically relevant glucose concentrations in human saliva based on enzymatic electrochemical detection. We use inkjet-printing technology for the rapid and low-cost deposition of all the components of this glucose sensor, from the electronics to the biorecognition elements, on commercially available paper substrates. The only electronic component of the sensor is the conducting polymer poly(3,4 ethylenedioxythiophene) doped with polystyrene sulfonate (PEDOT:PSS), while the biorecognition element comprises of the enzyme glucose oxidase coupled with an electron mediator. We demonstrate that one month after its fabrication and storage in air-free environment, the sensor maintains its function with only minor performance loss. This fully printed, all-polymer biosensor with its ease of fabrication, accuracy, sensitivity and compatibility with easy-to-obtain biofluids such as saliva aids in the development of next generation low-cost, non-invasive, eco-friendly, and disposable diagnostic tools. Saliva based glucose test can now be made easily and cheaply with inkjet-printed paper sensors enabled by enzyme glucose oxidase. Most present technologies rely on blood tests to monitor glucose concentration. To tackle this problem, a collaborative international team led by Prof Sahika Inal from King Abdullah University of Science and Technology, Saudi Arabia designs disposable glucose sensors based on saliva testing. They construct the analytical device by ink-jet printing cheap conducting polymer, an enzyme containing biological film and an encapsulation layer on paper substrates to measure glucose concentrations in human saliva. The devices stay active for more than a month in air-free storage conditions with minor performance losses. The high versatility and adaptability of the material system enable the possibilities to design affordable and expandable enzyme testing based diagnostic platforms.

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Bihar E. et al. A fully inkjet-printed disposable glucose sensor on paper // npj Flexible Electronics. 2018. Vol. 2. No. 1. 30
GOST all authors (up to 50) Copy
Bihar E., Wustoni S., Pappa A. M., Salama K. N., Baran D., Inal S. A fully inkjet-printed disposable glucose sensor on paper // npj Flexible Electronics. 2018. Vol. 2. No. 1. 30
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RIS Copy
TY - JOUR
DO - 10.1038/s41528-018-0044-y
UR - https://doi.org/10.1038/s41528-018-0044-y
TI - A fully inkjet-printed disposable glucose sensor on paper
T2 - npj Flexible Electronics
AU - Bihar, Eloise
AU - Wustoni, Shofarul
AU - Pappa, Anna Maria
AU - Salama, Khaled Nabil
AU - Baran, Derya
AU - Inal, Sahika
PY - 2018
DA - 2018/12/01 00:00:00
PB - Springer Nature
IS - 1
VL - 2
SN - 2397-4621
ER -
BibTex
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BibTex Copy
@article{2018_Bihar,
author = {Eloise Bihar and Shofarul Wustoni and Anna Maria Pappa and Khaled Nabil Salama and Derya Baran and Sahika Inal},
title = {A fully inkjet-printed disposable glucose sensor on paper},
journal = {npj Flexible Electronics},
year = {2018},
volume = {2},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1038/s41528-018-0044-y},
number = {1},
doi = {10.1038/s41528-018-0044-y}
}
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