Mechanically Active Materials and Devices for Bio‐Interfaced Pressure Sensors—A Review DOI Creative Commons
Zhongyi Nie, Jean Won Kwak, Mengdi Han

et al.

Advanced Materials, Journal Year: 2022, Volume and Issue: 36(43)

Published: Aug. 11, 2022

Abstract Pressures generated by external forces or internal body processes represent parameters of critical importance in diagnosing physiological health and anticipating injuries. Examples span intracranial hypertension from traumatic brain injuries, high blood pressure poor diet, pressure‐induced skin ulcers immobility, edema congestive heart failure. measured on the soft surfaces vital organs within cavities can provide essential insights into patient status progression. Challenges lie development high‐performance sensors that softly interface with biological tissues to enable safe monitoring for extended periods time. This review focuses recent advances mechanically active materials structural designs classes have proven uses these contexts. The discussions include applications such as implantable wearable systems, various unique capabilities wireless continuous monitoring, minimally invasive deployment, natural degradation biofluids, and/or multiplexed spatiotemporal mapping. A concluding section summarizes challenges future opportunities this growing field biomedical research.

Language: Английский

Technology Roadmap for Flexible Sensors DOI Creative Commons
Yifei Luo, Mohammad Reza Abidian, Jong‐Hyun Ahn

et al.

ACS Nano, Journal Year: 2023, Volume and Issue: 17(6), P. 5211 - 5295

Published: March 9, 2023

Humans rely increasingly on sensors to address grand challenges and improve quality of life in the era digitalization big data. For ubiquitous sensing, flexible are developed overcome limitations conventional rigid counterparts. Despite rapid advancement bench-side research over last decade, market adoption remains limited. To ease expedite their deployment, here, we identify bottlenecks hindering maturation propose promising solutions. We first analyze achieving satisfactory sensing performance for real-world applications then summarize issues compatible sensor-biology interfaces, followed by brief discussions powering connecting sensor networks. Issues en route commercialization sustainable growth sector also analyzed, highlighting environmental concerns emphasizing nontechnical such as business, regulatory, ethical considerations. Additionally, look at future intelligent sensors. In proposing a comprehensive roadmap, hope steer efforts towards common goals guide coordinated development strategies from disparate communities. Through collaborative efforts, scientific breakthroughs can be made sooner capitalized betterment humanity.

Language: Английский

Citations

710

Transparent Electronics for Wearable Electronics Application DOI Creative Commons
Daeyeon Won,

Junhyuk Bang,

Seok Hwan Choi

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(16), P. 9982 - 10078

Published: Aug. 5, 2023

Recent advancements in wearable electronics offer seamless integration with the human body for extracting various biophysical and biochemical information real-time health monitoring, clinical diagnostics, augmented reality. Enormous efforts have been dedicated to imparting stretchability/flexibility softness electronic devices through materials science structural modifications that enable stable comfortable of these curvilinear soft body. However, optical properties are still early stages consideration. By incorporating transparency, visual from interfacing biological systems can be preserved utilized comprehensive diagnosis image analysis techniques. Additionally, transparency provides imperceptibility, alleviating reluctance wear device on exposed skin. This review discusses recent advancement transparent a way includes materials, processing, devices, applications. Materials discussed regarding their characteristics, synthesis, engineering strategies property enhancements. We also examine bridging techniques Building blocks systems, including sensors, energy actuators, displays, mechanisms performances. Lastly, we summarize potential applications conclude remaining challenges prospects.

Language: Английский

Citations

139

High‐Resolution 3D Printing for Electronics DOI
Young‐Geun Park, In Sik Yun, Won Gi Chung

et al.

Advanced Science, Journal Year: 2022, Volume and Issue: 9(8)

Published: Jan. 17, 2022

The ability to form arbitrary 3D structures provides the next level of complexity and a greater degree freedom in design electronic devices. Since recent progress electronics has expanded their applicability various fields which structural conformability dynamic configuration are required, high-resolution printing technologies can offer significant potential for freeform electronics. Here, novel methods is reviewed, with providing comprehensive study on 3D-printable functional materials processes device components. latest advances 3D-printed also reviewed explain representative components, including interconnects, batteries, antennas, sensors. Furthermore, key challenges prospects next-generation printed considered, future directions explored based research that emerged recently.

Language: Английский

Citations

123

Intelligent wireless theranostic contact lens for electrical sensing and regulation of intraocular pressure DOI Creative Commons
Cheng Yang,

Qianni Wu,

Junqing Liu

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: May 17, 2022

Engineering wearable devices that can wirelessly track intraocular pressure and offer feedback-medicine administrations are highly desirable for glaucoma treatments, yet remain challenging due to issues of limited sizes, wireless operations, cross-coupling. Here, we present an integrated theranostic contact lens in situ electrical sensing on-demand anti-glaucoma drug delivery. The utilizes a compact structural design, which enables high-degreed integration frequency separation on the curved surface lens. modulus could ultra-sensitively detect fluctuations, unique cantilever configuration design capacitive circuit. delivery employs efficient power transfer circuit, trigger into aqueous chamber via iontophoresis. minimally invasive, smart, features endow as promising system treatments.

Language: Английский

Citations

94

Biocompatible Material‐Based Flexible Biosensors: From Materials Design to Wearable/Implantable Devices and Integrated Sensing Systems DOI
Gang Liu, Ziyu Lv, Saima Batool

et al.

Small, Journal Year: 2023, Volume and Issue: 19(27)

Published: April 3, 2023

Abstract Human beings have a greater need to pursue life and manage personal or family health in the context of rapid growth artificial intelligence, big data, Internet Things, 5G/6G technologies. The application micro biosensing devices is crucial connecting technology personalized medicine. Here, progress current status from biocompatible inorganic materials organic composites are reviewed material‐to‐device processing described. Next, operating principles pressure, chemical, optical, temperature sensors dissected these flexible biosensors wearable/implantable discussed. Different systems acting vivo vitro, including signal communication energy supply then illustrated. potential in‐sensor computing for applications sensing also Finally, some essential needs commercial translation highlighted future opportunities considered.

Language: Английский

Citations

87

Wireless theranostic smart contact lens for monitoring and control of intraocular pressure in glaucoma DOI Creative Commons

Tae Yeon Kim,

Jee Won Mok,

Sang Hoon Hong

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Nov. 10, 2022

Abstract Glaucoma is one of the irreversible ocular diseases that can cause vision loss in some serious cases. Although Triggerfish has been commercialized for monitoring intraocular pressure glaucoma, there no smart contact lens to monitor and take appropriate drug treatment response levels. Here, we report a precisely integrated theranostic with sensitive gold hollow nanowire based sensor, flexible delivery system, wireless power communication systems an application specific circuit chip both control glaucoma. The sensor shows high strain sensitivity, chemical stability biocompatibility. Furthermore, system be used on-demand timolol control. Taken together, levels successfully monitored controlled by glaucoma induced rabbits. This would harnessed as futuristic personal healthcare platform other diseases.

Language: Английский

Citations

85

Lab‐on‐a‐Contact Lens: Recent Advances and Future Opportunities in Diagnostics and Therapeutics DOI
Yangzhi Zhu,

Shaopei Li,

Jinghang Li

et al.

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(24)

Published: Feb. 7, 2022

Abstract The eye is one of the most complex organs in human body, containing rich and critical physiological information (e.g., intraocular pressure, corneal temperature, pH) as well a library metabolite biomarkers glucose, proteins, specific ions). Smart contact lenses (SCLs) can serve wearable intelligent ocular prosthetic device capable noninvasive continuous monitoring various essential physical/biochemical parameters drug loading/delivery for treatment diseases. Advances SCL technologies growing public interest personalized health are accelerating research more than ever before. Here, current status potential development through comprehensive review from fabrication to applications commercialization discussed. First, material, fabrication, platform designs SCLs diagnostic therapeutic Then, latest advances clinical translation reviewed. Later, established techniques power transfer wireless data transmission applied devices summarized. An outlook, future opportunities, challenges developing next‐generation also provided. With rise development, this new paradigm devices.

Language: Английский

Citations

78

Smart soft contact lenses for continuous 24-hour monitoring of intraocular pressure in glaucoma care DOI Creative Commons
Jinyuan Zhang, Kyunghun Kim,

Ho Joong Kim

et al.

Nature Communications, Journal Year: 2022, Volume and Issue: 13(1)

Published: Sept. 20, 2022

Abstract Continuous monitoring of intraocular pressure, particularly during sleep, remains a grand challenge in glaucoma care. Here we introduce class smart soft contact lenses, enabling the continuous 24-hour even sleep. Uniquely, lenses are built upon various commercial brands without altering their intrinsic properties such as lens power, biocompatibility, softness, transparency, wettability, oxygen transmissibility, and overnight wearability. We show that can seamlessly fit across different corneal curvatures thicknesses human eyes therefore accurately measure absolute pressure under ambulatory conditions. perform comprehensive set vivo evaluations rabbit, dog, from normal to hypertension confirm superior measurement accuracy, within-subject repeatability, user comfort beyond current wearable ocular tonometers. envision will be effective

Language: Английский

Citations

70

Smart Contact Lenses as Wearable Ophthalmic Devices for Disease Monitoring and Health Management DOI Creative Commons
Hunkyu Seo, Won Gi Chung, Yong Won Kwon

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(19), P. 11488 - 11558

Published: Sept. 25, 2023

The eye contains a complex network of physiological information and biomarkers for monitoring disease managing health, ocular devices can be used to effectively perform point-of-care diagnosis management. This comprehensive review describes the target various diseases, including ophthalmic metabolic neurological based on anatomical background eye. also includes recent technologies utilized in eye-wearable medical latest trends wearable devices, specifically smart contact lenses purpose After introducing other such as retinal prosthesis, we further discuss current challenges potential possibilities lenses.

Language: Английский

Citations

61

Flexible and Transparent Electronic Skin Sensor with Sensing Capabilities for Pressure, Temperature, and Humidity DOI

Liangren Chen,

Youquan Xu,

Yinfeng Liu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2023, Volume and Issue: 15(20), P. 24923 - 24932

Published: May 9, 2023

Inspired by the interlocked biological geometry of human skin, herein, we design a flexible and transparent sensor with square column arrays composites Ag nanoparticles (AgNPs), citric acid (CA), poly(vinyl alcohol) (PVA), which exhibit multisensory capabilities for pressure, temperature, humidity. As pressure sensor, AgNPs/CA/PVA possesses high sensitivity (-1.82 kPa-1), low detection limit (10 Pa), fast response (75 ms), outstanding stability due to contact resistance pressure. Because rigid dependence composite on can also act as temperature exhibits resolution (0.1 °C) reliability in detecting ambient temperature. In addition, it is found that amount water molecules adsorbed PVA CA changes Therefore, able detect humidity real time. This work proposes simple but useful route fabricate electrical skin has great potential perception

Language: Английский

Citations

59