Electrowetting-on-dielectric chip with integrated screen-printed electrochemical sensor for rapid chemical analysis

Ugsornrat, Kessararat; Maturos, Thitima; Pasakon, Patiya; Karuwan, Chanpen; Pogfay, Tawee; Sriprachuabwong, Chakrit; Wisitsoraat, Anurat; Tuantranont, Adisorn

doi:10.1016/j.mseb.2018.12.011

Cited by 9 publications

(3 citation statements)

References 40 publications

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“…Therefore, EWOD is one of the most promising methods to miniaturize analytical tools. In the use of EWOD as digital microfluidics, we can differentiate several purposes: [ 106 ] cell cultures manipulation, [ 107 ] chemical reactions, [ 80 ] sample preparation, [ 108 ] chemical analysis, [ 109 ] and biological analysis. [ 110 ]…”

Section: Ewod Devices Applicationsmentioning

confidence: 99%

Materials and Manufacturing Methods for EWOD Devices: Current Status and Sustainability Challenges

Caro‐Pérez

Casals‐Terré

Roncero

2022

Macro Materials & Eng

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Electrowetting-on-dielectric (EWOD) devices have proven to be effective tools for precise microfluidic manipulation or in liquid lenses that surpass conventional solid lenses in versatility. However, the fabrication of these devices presents many challenges, such as their scalability or the growing concern on their environmental impact due to materials used in their fabrication. This review provides a comprehensive analysis of the materials currently used in the fabrication of EWOD devices and the characteristics they must meet. In addition, a discussion of future challenges in the fabrication of EWOD devices is presented, in particular the environmental problems presented by some of the materials currently in use.

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Section: Ewod Devices Applicationsmentioning

confidence: 99%

Materials and Manufacturing Methods for EWOD Devices: Current Status and Sustainability Challenges

Caro‐Pérez

Casals‐Terré

Roncero

2022

Macro Materials & Eng

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“…To achieve automated analysis and biosensing, it is crucial to couple DMF with a suitable detection technology. So far, various analytical techniques have been integrated with DMF, such as mass spectrometry, 7,8 electrochemistry, 9,10 fluorescence, 11–13 and chemiluminescence (CL). 14–16 Among these, CL exhibits unique advantages due to its characteristics of high sensitivity, rapid response, simple equipment, and freedom from an external light source, which has led to particular attention by reaeachers for its integration with DMF.…”

Section: Introductionmentioning

confidence: 99%

Automated study on kinetics and biosensing of glow-type luminescence reaction via digital microfluidics–chemiluminescence

et al. 2023

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“…Printed electronics are considered more advantageous in terms of productivity and flexibility than the conventional semiconductor technology [ 4 , 5 ]. Examples of printed electronic devices include organic thin film transistors [ 6 , 7 , 8 , 9 ], organic light-emitting diodes [ 10 , 11 ], and sensors [ 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Fabrication and Characterization of Roll-to-Roll Printed Air-Gap Touch Sensors

Lee

2019

Polymers

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Although printed electronics technology has been recently employed in the production of various devices, its use for the fabrication of electronic devices with air-gap structures remains challenging. This paper presents a productive roll-to-roll printed electronics method for the fabrication of capacitive touch sensors with air-gap structures. Each layer of the sensor was fabricated by printing or coating. The bottom electrode, and the dielectric and sacrificial layers were roll-to-roll slot-die coated on a flexible substrate. The top electrode was formed by roll-to-roll gravure printing, while the structural layer was formed by spin-coating. In particular, the sacrificial layer was coated with polyvinyl alcohol (PVA) and removed in water to form an air-gap. The successful formation of the air-gap was verified by field emission scanning electron microscopy (FE-SEM). Electrical characteristics of the air-gap touch sensor samples were analyzed in terms of sensitivity, hysteresis, and repeatability. Experimental results showed that the proposed method can be suitable for the fabrication of air-gap sensors by using the roll-to-roll printed electronics technology.

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Electrowetting-on-dielectric chip with integrated screen-printed electrochemical sensor for rapid chemical analysis

Cited by 9 publications

References 40 publications

Materials and Manufacturing Methods for EWOD Devices: Current Status and Sustainability Challenges

Materials and Manufacturing Methods for EWOD Devices: Current Status and Sustainability Challenges

Automated study on kinetics and biosensing of glow-type luminescence reaction via digital microfluidics–chemiluminescence

Fabrication and Characterization of Roll-to-Roll Printed Air-Gap Touch Sensors

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