Biocompatible, Antibacterial, and Stable Deep Eutectic Solvent-Based Ionic Gel Multimodal Sensors for Healthcare Applications

Yang, Jia-Yu; Kumar, Amit; Shaikh, Muhammad Omar; Huang, Shu-Hung; Chou, Ying-Nien; Yang, Chao-Chun; Hsu, Chao-Kai; Kuo, Li-Chieh; Chuang, Cheng-Hsin

doi:10.1021/acsami.3c09613

Cited by 11 publications

(4 citation statements)

References 62 publications

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“…Some scholars installed e-skins at the joint positions of hands or gloves and achieved synchronized control of a robotic hand by decoding the characteristic information transmitted by these e-skins in real time [220] . For the latter, the basic strategy is to install e-skins on the surface of the machinery so as to give the machinery tactile ability [221][222][223] [Figure 14A (i) and Figure 14B (i)] [224][225][226][227][228][229] .…”

Section: As Shown In [Figurementioning

confidence: 99%

“…Luo et al demonstrated a capacitive-dielectric integrated pressure sensor, micro-conformal electrodedielectric integration (MEDI), which has a complex structure of graphene nanowalls (pyramid-shaped top electrode)/PDMS (pyramid-shaped dielectric layer)/ZnO (pyramid-shaped dielectric layer)/poly(methyl [224] , (ii) structure, sensing characteristics and synchronization control of e-skin based on E-TENG [225] , (iii) demonstration of remote control of a robotic arm using the SR/TSH/dispersant/PPMS e-skin [226] ; (B) Schematic diagram of mechanical tactility: (i) concept of mechanical tactile [227] , (ii) demonstration of mechanical haptics of MXene/PU-MXene e-skin [228] , (iii) mechanical haptic signals and its recognition of braille text of MEDI e-skin [229] . E-TENG: Eutectic Gel-Based Triboelectric Nanogenerator; GNWs: graphene nanowalls; PDMS: polydimethylsiloxane; MEDI: micro-conformal electrode-dielectric integration.…”

Section: As Shown In [Figurementioning

confidence: 99%

“…E-TENG: Eutectic Gel-Based Triboelectric Nanogenerator; GNWs: graphene nanowalls; PDMS: polydimethylsiloxane; MEDI: micro-conformal electrode-dielectric integration. methacrylate) (PMMA, protective layer/dielectric layer)/AgNWs (bottom electrode)/polyethylene terephthalate (PET) (substrate) [228,229] . The introduction of the dielectric layer can effectively improve the sensitivity (up to 22.3 kPa -1 ) and pressure response range (0-22 kPa).…”

Section: As Shown In [Figurementioning

confidence: 99%

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Latest developments and trends in electronic skin devices

Zhu,

Li,

Pang

et al. 2024

Soft Sci

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The skin, a vital medium for human-environment communication, stands as an indispensable and pivotal element in the realms of both production and daily life. As the landscape of science and technology undergoes gradual evolution and the demand for seamless human-machine interfaces continues to surge, an escalating need emerges for a counterpart to our biological skin - electronic skins (e-skins). Achieving high-performance sensing capabilities comparable to our skin has consistently posed a formidable challenge. In this article, we systematically outline fundamental strategies enabling e-skins with capabilities including strain sensing, pressure sensing, shear sensing, temperature sensing, humidity sensing, and self-healing. Subsequently, complex e-skin systems and current major applications were briefly introduced. We conclude by envisioning the future trajectory, anticipating continued advancements and transformative innovations shaping the dynamic landscape of e-skin technology. This article provides a profound insight into the current state of e-skins, potentially inspiring scholars to explore new possibilities.

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Section: As Shown In [Figurementioning

confidence: 99%

Section: As Shown In [Figurementioning

confidence: 99%

Section: As Shown In [Figurementioning

confidence: 99%

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Latest developments and trends in electronic skin devices

Zhu,

Li,

Pang

et al. 2024

Soft Sci

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“…Moreover, a widely embraced class of wearable devices for respiratory monitoring in sports includes chest-worn devices, as they allow minimizing the impact on the athlete’s movements. These solutions may embed sensors such as accelerometers [ 11 ], piezoresistive textiles [ 12 , 13 , 14 ], capacitive sensors [ 15 , 16 ], and ionic gen sensors [ 17 ] to detect chest movements associated with respiratory activity. Among all, textile sensors stand out because they can be manufactured in different shapes and easily integrated into garments.…”

Section: Introductionmentioning

confidence: 99%

Flexible Textile Sensors-Based Smart T-Shirt for Respiratory Monitoring: Design, Development, and Preliminary Validation

Romano,

Lo Presti,

Silvestri

et al. 2024

Sensors

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Respiratory rate (fR) monitoring through wearable devices is crucial in several scenarios, providing insights into well-being and sports performance while minimizing interference with daily activities. Strain sensors embedded into garments stand out but require thorough investigation for optimal deployment. Optimal sensor positioning is often overlooked, and when addressed, the quality of the respiratory signal is neglected. Additionally, sensor metrological characterization after sensor integration is often omitted. In this study, we present the design, development, and feasibility assessment of a smart t-shirt embedded with two flexible sensors for fR monitoring. Guided by a motion capture system, optimal sensor design and position on the chest wall were defined, considering both signal magnitude and quality. The sensors were developed, embedded into the wearable system, and metrologically characterized, demonstrating a remarkable response to both static (sensitivity 9.4 Ω⋅%−1 and 9.1 Ω⋅%−1 for sensor A and sensor B, respectively) and cyclic loads (min. hysteresis span 20.4% at 36 bpm obtained for sensor A). The feasibility of the wearable system was assessed on healthy volunteers both under static and dynamic conditions (such as running, walking, and climbing stairs). A mean absolute error of 0.32 bpm was obtained by averaging all subjects and tests using the combination of the two sensors. This value was lower than that obtained using both sensor A (0.53 bpm) and sensor B (0.78 bpm) individually. Our study highlights the importance of signal amplitude and quality in optimal sensor placement evaluation, as well as the characterization of the embedded sensors for metrological assessment.

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Bioinspired Superstrong, Wet Adhesive Deep Eutectic Solvent‐Based Gels for Stain Sensing and ECG Monitoring

Yang,

Zhang,

Zhao

et al. 2024

Adv Materials Technologies

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Low mechanical properties and easy detachment from the hydration layer at the wet interface of hydrogel limit its application as an adhesive‐flexible sensor. In this study, the composition and structure of mussel mucoprotein are replicated using sulfonyl betaine (SBMA) containing zwitterion and N‐hydroxyethyl acrylamide to be polymerized in deep eutectic solvents and integrated with a polydopamine network to create a bionic eutectic gel with exceptionally strong and wet adhesion. Water erosion is effectively inhibited by the extensive hydrogen bond and electrostatic interactions. These dynamic bonds also impart self‐healing properties to the gel, showing a self‐healing efficiency of 55.45% after 48 h healing at room temperature. The zwitterion in SBMA can preferentially react with water to form a hydrated shell to protect the hydrogen bonds and enhance the exceptional water resistance and adhesion of the gel. The peel strength of the gel on a wet substrate is up to 220.71 N m−1, and its tensile strength can reach 1.01 MPa. It also has good mass stability at both low and high temperatures. This eutectic gel has the potential to be used in flexible electronic devices and can detect human movement and bioelectrical impulses on wet skin with great sensitivity.

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Biocompatible, Antibacterial, and Stable Deep Eutectic Solvent-Based Ionic Gel Multimodal Sensors for Healthcare Applications

Cited by 11 publications

References 62 publications

Latest developments and trends in electronic skin devices

Latest developments and trends in electronic skin devices

Flexible Textile Sensors-Based Smart T-Shirt for Respiratory Monitoring: Design, Development, and Preliminary Validation

Bioinspired Superstrong, Wet Adhesive Deep Eutectic Solvent‐Based Gels for Stain Sensing and ECG Monitoring

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