Micro-lithography on paper, surface process modifications for biomedical performance enhancement

Kamali, Babak; Asiaei, Sasan; Beigzadeh, Borhan; Ebadi, A.

doi:10.1016/j.colsurfa.2018.06.053

Cited by 13 publications

(10 citation statements)

References 30 publications

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“…[247] Surface patterning and coupling of the light management properties of the thin film to the light guiding surface topography in lignocellulosic materials remain largely unexplored and are thus very attractive topics for future developments. Here, we discuss few studies that use lithographic approaches with biobased materials; however, we note that these studies do not focus on optical properties and instead address specific aspects, such as the production of cellulose-based molds, [250] the detection of thyroid-stimulating hormones, [251] and microsupercapacitors, [252,253] among others.…”

Section: Surface Patterning For Added Optical Functionalitymentioning

confidence: 99%

Plant‐Based Structures as an Opportunity to Engineer Optical Functions in Next‐Generation Light Management

et al. 2021

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This review addresses the reconstruction of structural plant components (cellulose, lignin, and hemicelluloses) into materials displaying advanced optical properties. The strategies to isolate the main building blocks are discussed, and the effects of fibrillation, fibril alignment, densification, self‐assembly, surface‐patterning, and compositing are presented considering their role in engineering optical performance. Then, key elements that enable lignocellulosic to be translated into materials that present optical functionality, such as transparency, haze, reflectance, UV‐blocking, luminescence, and structural colors, are described. Mapping the optical landscape that is accessible from lignocellulosics is shown as an essential step toward their utilization in smart devices. Advanced materials built from sustainable resources, including those obtained from industrial or agricultural side streams, demonstrate enormous promise in optoelectronics due to their potentially lower cost, while meeting or even exceeding current demands in performance. The requirements are summarized for the production and application of plant‐based optically functional materials in different smart material applications and the review is concluded with a perspective about this active field of knowledge.

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Section: Surface Patterning For Added Optical Functionalitymentioning

confidence: 99%

Plant‐Based Structures as an Opportunity to Engineer Optical Functions in Next‐Generation Light Management

et al. 2021

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“…Then, the extra unexposed photoresist is removed, while the hydrophobic barriers are generated within the paper (Figure 13c ). [ 242 , 243 ] The hydrophobic barriers can also be created by wax printing on the paper sheet. In this method, the wax is directly 3D printed and penetrates into the paper sheet to create hydrophobic patterns within the hydrophilic paper sheet (Figure 13d ).…”

Section: Fabrication Of Micro and Nanoscale Devicesmentioning

confidence: 99%

Micro and Nanoscale Technologies for Diagnosis of Viral Infections

Nasrollahi

Haghniaz

Hosseini

et al. 2021

Small

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Viral infection is one of the leading causes of mortality worldwide. The growth of globalization significantly increases the risk of virus spreading, making it a global threat to future public health. In particular, the ongoing coronavirus disease 2019 (COVID‐19) pandemic outbreak emphasizes the importance of devices and methods for rapid, sensitive, and cost‐effective diagnosis of viral infections in the early stages by which their quick and global spread can be controlled. Micro and nanoscale technologies have attracted tremendous attention in recent years for a variety of medical and biological applications, especially in developing diagnostic platforms for rapid and accurate detection of viral diseases. This review addresses advances of microneedles, microchip‐based integrated platforms, and nano‐ and microparticles for sampling, sample processing, enrichment, amplification, and detection of viral particles and antigens related to the diagnosis of viral diseases. Additionally, methods for the fabrication of microchip‐based devices and commercially used devices are described. Finally, challenges and prospects on the development of micro and nanotechnologies for the early diagnosis of viral diseases are highlighted.

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“…Some of them make a physical blocking of the pores of the paper (photolithography, plotting or laser etching), while others make a modification of its surface by chemical treatments (plasma treatment or ink jetting) or by physical deposition of reagents, mainly wax (wax and ink jetting or screen-printing). Nevertheless, not all these techniques fulfill the low cost requirements, e.g., photolithography [ 17 , 18 , 19 ], stamping methods [ 20 , 21 , 22 , 23 ] or plasma deposition, while others are not suitable for mass production, e.g., cut plotting [ 24 , 25 ]. Therefore, the most commonly used techniques are those based on wax, which are, in general, low-cost methods that use nontoxic patterning reagents [ 26 ].…”

Section: Introductionmentioning

confidence: 99%

Predicting Dimensions in Microfluidic Paper Based Analytical Devices

Catalan-Carrio

Akyazi

Basabe‐Desmonts

et al. 2020

Sensors

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The main problem for the expansion of the use of microfluidic paper-based analytical devices and, thus, their mass production is their inherent lack of fluid flow control due to its uncontrolled fabrication protocols. To address this issue, the first step is the generation of uniform and reliable microfluidic channels. The most common paper microfluidic fabrication method is wax printing, which consists of two parts, printing and heating, where heating is a critical step for the fabrication of reproducible device dimensions. In order to bring paper-based devices to success, it is essential to optimize the fabrication process in order to always get a reproducible device. Therefore, the optimization of the heating process and the analysis of the parameters that could affect the final dimensions of the device, such as its shape, the width of the wax barrier and the internal area of the device, were performed. Moreover, we present a method to predict reproducible devices with controlled working areas in a simple manner.

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Micro-lithography on paper, surface process modifications for biomedical performance enhancement

Cited by 13 publications

References 30 publications

Plant‐Based Structures as an Opportunity to Engineer Optical Functions in Next‐Generation Light Management

Plant‐Based Structures as an Opportunity to Engineer Optical Functions in Next‐Generation Light Management

Micro and Nanoscale Technologies for Diagnosis of Viral Infections

Predicting Dimensions in Microfluidic Paper Based Analytical Devices

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