Facial fabrication of paper-based flexible electronics with flash foam stamp lithography

Yao, Xinhua; Tian, Junfeng; Xie, Chaoqi; Fu, Jianzhong; He, Yong

doi:10.1007/s00542-016-3207-6

Cited by 15 publications

(8 citation statements)

References 34 publications

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“…Unlike previous methods, no modifications were made to remove hydrophobic agents in the hydrophilic channels [ 127 ]. In addition to PDMS, stamps can be made of metal and foam materials [ 128 ]. Although the resulting stamps are capable of storing inks and easily fabricated under laboratory experimental conditions, their repeated fabrication is not desirable.…”

Section: Classification Of Bio-ppoct Based On the Device Dimensionmentioning

confidence: 99%

Disposable Paper-Based Biosensors for the Point-of-Care Detection of Hazardous Contaminations—A Review

Bordbar

Sheini

Hashemi³

et al. 2021

Biosensors

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The fast detection of trace amounts of hazardous contaminations can prevent serious damage to the environment. Paper-based sensors offer a new perspective on the world of analytical methods, overcoming previous limitations by fabricating a simple device with valuable benefits such as flexibility, biocompatibility, disposability, biodegradability, easy operation, large surface-to-volume ratio, and cost-effectiveness. Depending on the performance type, the device can be used to analyze the analyte in the liquid or vapor phase. For liquid samples, various structures (including a dipstick, as well as microfluidic and lateral flow) have been constructed. Paper-based 3D sensors are prepared by gluing and folding different layers of a piece of paper, being more user-friendly, due to the combination of several preparation methods, the integration of different sensor elements, and the connection between two methods of detection in a small set. Paper sensors can be used in chromatographic, electrochemical, and colorimetric processes, depending on the type of transducer. Additionally, in recent years, the applicability of these sensors has been investigated in various applications, such as food and water quality, environmental monitoring, disease diagnosis, and medical sciences. Here, we review the development (from 2010 to 2021) of paper methods in the field of the detection and determination of toxic substances.

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Section: Classification Of Bio-ppoct Based On the Device Dimensionmentioning

confidence: 99%

Disposable Paper-Based Biosensors for the Point-of-Care Detection of Hazardous Contaminations—A Review

Bordbar

Sheini

Hashemi³

et al. 2021

Biosensors

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show abstract

“…Although it is a simple and rapid method, the fabrication of the PDMS stamp is complex. Other similar methods used metallic stamp or foam stamp lithography to achieve the desired patterns [50,51,52]. The advantages of flash foam stamp are its widely used nature, easy fabrication, ink storage capability, and suitability for rapid prototyping in lab environments.…”

Section: Fabrication Techniquesmentioning

confidence: 99%

Fabrication, Flow Control, and Applications of Microfluidic Paper-Based Analytical Devices

2019

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Paper-based microfluidic devices have advanced significantly in recent years as they are affordable, automated with capillary action, portable, and biodegradable diagnostic platforms for a variety of health, environmental, and food quality applications. In terms of commercialization, however, paper-based microfluidics still have to overcome significant challenges to become an authentic point-of-care testing format with the advanced capabilities of analyte purification, multiplex analysis, quantification, and detection with high sensitivity and selectivity. Moreover, fluid flow manipulation for multistep integration, which involves valving and flow velocity control, is also a critical parameter to achieve high-performance devices. Considering these limitations, the aim of this review is to (i) comprehensively analyze the fabrication techniques of microfluidic paper-based analytical devices, (ii) provide a theoretical background and various methods for fluid flow manipulation, and iii) highlight the recent detection techniques developed for various applications, including their advantages and disadvantages.

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“…The principle of fabricating μPADs is to hydrophobically treat paper substrates to form distinct hydrophobic and hydrophilic areas, thus restricting and guiding fluid flow. At present, there are a number of methods that can be used to fabricate μPADs, such as photolithography 3,9 , wax printing [10][11][12][13][14] , paper cutting 15 , drawing 16 , inkjet printing [17][18][19] , laser cutting 20 , and stamping [21][22][23][24][25][26] . For the first time, Martinez et al 3 used photolithography technology with a SU-8 photoresist to fabricate a hydrophobic pattern on paper.…”

Section: Introductionmentioning

confidence: 99%

“…Stamping, as another production technology, has been widely used, and different types of stamps can be used, such as a stamp with paper and tape 21 , a polydimethylsiloxane (PDMS) high-relief stamp 22 , an iron 23 or steel stamp 24 , and a flash foam stamp (FFS) 25,26 . The hydrophobic material is printed on paper by the stamps, which are designed to be the desired pattern.…”

Section: Introductionmentioning

confidence: 99%

Detection and extraction of heavy metal ions using paper-based analytical devices fabricated via atom stamp printing

Guan

Sun

2020

Microsyst Nanoeng

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As a promising concept, microfluidic paper-based analytical devices (μPADs) have seen rapid development in recent years. In this study, a new method of fabricating μPADs by atom stamp printing (ASP) is proposed and studied. The advantages of this new method compared to other methods include its low cost, ease of operation, high production efficiency, and high resolution (the minimum widths of the hydrophilic channels and hydrophobic barriers are 328 and 312 μm, respectively). As a proof of concept, μPADs fabricated with the ASP method were used to detect different concentrations of Cu 2+ via a colorimetric method. Moreover, combined with a distance-based detection method, these devices achieved a Cu 2+ detection limit of down to 1 mg/L. In addition, a new paper-based solid-liquid extraction device (PSED) based on a three-dimensional (3D) μPAD with a "3 + 2" structure and a recyclable extraction mode was developed. Specifically, using the characteristics of paper filtration and capillary force, the device completed multiple extraction and filtration steps from traditional solid-liquid extraction processes with high efficiency. The developed PSED platform allows the detection of heavy metal ions much more cheaply and simply and with a faster response time at the point of care, and it has great promise for applications in food safety and environmental pollution in resource-limited areas.

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Facial fabrication of paper-based flexible electronics with flash foam stamp lithography

Cited by 15 publications

References 34 publications

Disposable Paper-Based Biosensors for the Point-of-Care Detection of Hazardous Contaminations—A Review

Disposable Paper-Based Biosensors for the Point-of-Care Detection of Hazardous Contaminations—A Review

Fabrication, Flow Control, and Applications of Microfluidic Paper-Based Analytical Devices

Detection and extraction of heavy metal ions using paper-based analytical devices fabricated via atom stamp printing

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