Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax

Paper-based microfluidic devices based on electrowetting principle, more specifically electrowetting on dielectric (EWOD), have attracted increasing attention due to their powerful liquid handling capability as compared to continuous-flow paper-based analytical devices (μPAD) that use capillary effe...

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Autores principales: He Li, Jiayi Cui, Zhibin Yan, Mingliang Jin, Yu Zheng, Guofu Zhou, Lingling Shui
Formato: article
Lenguaje:EN
Publicado: Elsevier 2021
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Acceso en línea:https://doaj.org/article/2504d3bc35b24f4dae329bee851c835d
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spelling oai:doaj.org-article:2504d3bc35b24f4dae329bee851c835d2021-12-04T04:33:51ZPaper-based electrowetting devices fabricated with cellulose paper and paraffin wax2211-379710.1016/j.rinp.2021.105042https://doaj.org/article/2504d3bc35b24f4dae329bee851c835d2021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2211379721010329https://doaj.org/toc/2211-3797Paper-based microfluidic devices based on electrowetting principle, more specifically electrowetting on dielectric (EWOD), have attracted increasing attention due to their powerful liquid handling capability as compared to continuous-flow paper-based analytical devices (μPAD) that use capillary effects to control liquids. Here, we demonstrate fabrication of paper-based EWOD devices using cellulose paper as substrate and paraffin wax as dielectric hydrophobic layer by a simple pressing treatment for the cellulose paper and melting or spray-coating of paraffin wax. We optimized the key fabrication parameters according to the surface morphology and hydrophobicity of the obtained wax film, including the pressing pressure, thermal annealing temperature and amount of paraffin wax. Moreover, the EWOD devices fabricated by the spray-coating method demonstrate larger contact angle changes but with smaller contact angle hysteresis under DC electric field when compared with the devices fabricated by the melting method. Our study opens up potential fabrication of hybrid paper-based microfluidic device combining advantages of continuous-flow and electrowetting using cellulose paper and paraffin wax.He LiJiayi CuiZhibin YanMingliang JinYu ZhengGuofu ZhouLingling ShuiElsevierarticlePaper-based microfluidicsElectrowetting on dielectric (EWOD)Cellulose paperParaffin waxPhysicsQC1-999ENResults in Physics, Vol 31, Iss , Pp 105042- (2021)
institution DOAJ
collection DOAJ
language EN
topic Paper-based microfluidics
Electrowetting on dielectric (EWOD)
Cellulose paper
Paraffin wax
Physics
QC1-999
spellingShingle Paper-based microfluidics
Electrowetting on dielectric (EWOD)
Cellulose paper
Paraffin wax
Physics
QC1-999
He Li
Jiayi Cui
Zhibin Yan
Mingliang Jin
Yu Zheng
Guofu Zhou
Lingling Shui
Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
description Paper-based microfluidic devices based on electrowetting principle, more specifically electrowetting on dielectric (EWOD), have attracted increasing attention due to their powerful liquid handling capability as compared to continuous-flow paper-based analytical devices (μPAD) that use capillary effects to control liquids. Here, we demonstrate fabrication of paper-based EWOD devices using cellulose paper as substrate and paraffin wax as dielectric hydrophobic layer by a simple pressing treatment for the cellulose paper and melting or spray-coating of paraffin wax. We optimized the key fabrication parameters according to the surface morphology and hydrophobicity of the obtained wax film, including the pressing pressure, thermal annealing temperature and amount of paraffin wax. Moreover, the EWOD devices fabricated by the spray-coating method demonstrate larger contact angle changes but with smaller contact angle hysteresis under DC electric field when compared with the devices fabricated by the melting method. Our study opens up potential fabrication of hybrid paper-based microfluidic device combining advantages of continuous-flow and electrowetting using cellulose paper and paraffin wax.
format article
author He Li
Jiayi Cui
Zhibin Yan
Mingliang Jin
Yu Zheng
Guofu Zhou
Lingling Shui
author_facet He Li
Jiayi Cui
Zhibin Yan
Mingliang Jin
Yu Zheng
Guofu Zhou
Lingling Shui
author_sort He Li
title Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
title_short Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
title_full Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
title_fullStr Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
title_full_unstemmed Paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
title_sort paper-based electrowetting devices fabricated with cellulose paper and paraffin wax
publisher Elsevier
publishDate 2021
url https://doaj.org/article/2504d3bc35b24f4dae329bee851c835d
work_keys_str_mv AT heli paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT jiayicui paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT zhibinyan paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT mingliangjin paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT yuzheng paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT guofuzhou paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
AT linglingshui paperbasedelectrowettingdevicesfabricatedwithcellulosepaperandparaffinwax
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