Microfibers: Bioinspired Composite Microfibers for Skin Adhesion and Signal Amplification of Wearable Sensors (Adv. Mater. 28/2017)

Drotlef, Dirk-M.; Yunusa, Muhammad; Sitti, Metin

doi:10.1002/adma.201770207

Cited by 2 publications

(2 citation statements)

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“…[15] If we want to ascertain the wound status or change dressing during the treatment process, the adhesive hydrogel may damage skin and cause pain during their removal and even possibly cause inflammation. [16] A pioneering work by Metin [17] produced a high-performance skin adhesive sensor due to the enhanced roughness and texture conformation. Subsequent work found that the reversible adhesion can be realized by imitating ratchet-like attachment mechanism of climbing plants.…”

Section: Introductionmentioning

confidence: 99%

A Smart Patch with On‐Demand Detachable Adhesion for Bioelectronics

Shi

2021

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114

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A smart ionic skin patch with on‐demand detachable adhesion has been developed as human–machine interface for physiological signal monitoring. In spite of the multifunctions demonstrated by existing ionic skin, it is still difficult to distinguish different signals simultaneously. Moreover, the secondary damages to the tissues are often overlooked when the adhesive materials are removing from the wound. Herein, a multifunctional biomimetic hydrogel with temperature, mechanical, electrical, and pH response is developed. This hydrogel is designed by in situ polymerizing of hydrophilic anion monomers in a natural cationic polysaccharide to construct multifunctional biomimetic ionic channel. Due to the reversible physical cross‐linked network and thermosensitivity, the mechanical properties, adhesion, and visual effect of the hydrogel can be tuned by changing hydrogen bonding density via phase transition, thus making it an excellent biosafe material for wearable device. The hydrogel is utilized as skin patch intended for monitoring physiological signals stimulated by physical and chemical changes involving pressure, temperature, pH value, and electrocardiograph. Especially, this ionic skin patch can recognize temperature change signals precisely either in broad or extremely narrow temperature range. This smart skin patch can even recognize the pressure and temperature signals in real time and differentiate the signals simultaneously.

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Section: Introductionmentioning

confidence: 99%

A Smart Patch with On‐Demand Detachable Adhesion for Bioelectronics

Shi

2021

Small

114

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“…For example, micropillars with high skin adhesion ability have been developed by a two-step photolithography and etching process. [16,17] A poly(methyl methacrylate) layer was dissolved in acetone to form a microporous silicone layer with 100-µm-diameter microspheres for a highly breathable epidermal device. [18] Two conductive materials-gold for electrocardiogram (ECG) electrodes and polyvinylidene fluoride for seismocardiogram (SCG) electrodes-have been combined by the "cut and paste method" for multimodal bio-signal monitoring.…”

Section: Introductionmentioning

confidence: 99%

A Scalable Laser‐Centric Fabrication of an Epidermal Cardiopulmonary Patch

Rachim

Lee

Kim

et al. 2022

Adv Materials Technologies

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Recent advances in scalable fabrication methods based on printing technologies have improved the yield and lowered the cost of manufacturing epidermal sensors. However, modern technologies still require expensive multi‐bio‐ink raw materials. A laser‐centric fabrication method that realizes a cost‐effective, scalable, and streamlined fabrication process with easily used material and equipment is reported. The fabricated epidermal patch can quickly respond to the demands of personalized models. Here, the epidermal sensor patch is applied to continuous monitoring of the human cardiopulmonary system. The sensor performs conventional bio‐signal monitoring but is also extendible to other monitoring forms. The patch provides enhanced functions through its gas‐permeable and skin‐adhesive microporous layer and its stretchable, conformal, and biocompatible multimodal sensing layer. The utility of the proposed sensor patch in clinical diagnosis in a mobile healthcare environment is demonstrated in multiple bio‐signal‐morphology analyses.

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Microfibers: Bioinspired Composite Microfibers for Skin Adhesion and Signal Amplification of Wearable Sensors (Adv. Mater. 28/2017)

Cited by 2 publications

References 0 publications

A Smart Patch with On‐Demand Detachable Adhesion for Bioelectronics

A Smart Patch with On‐Demand Detachable Adhesion for Bioelectronics

A Scalable Laser‐Centric Fabrication of an Epidermal Cardiopulmonary Patch

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