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Author: Jae-Woong Jeong
Publisher: MDPI
ISBN: 3039282824
Category : Technology & Engineering
Languages : en
Pages : 244
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Book Description
Soft material-enabled electronics offer distinct advantage, over conventional rigid and bulky devices, for numerous wearable and implantable applications. Soft materials allow for seamless integration with skin and tissues due to enhanced mechanical flexibility and stretchability. Wearable devices, such as sensors, offer continuous, real-time monitoring of biosignals and movements, which can be applied in rehabilitation and diagnostics, among other applications. Soft implantable electronics offer similar functionalities, but with improved compatibility with human tissues. Biodegradable soft implantable electronics are also being developed for transient monitoring, such as in the weeks following surgery. To further advance soft electronics, materials, integration strategies, and fabrication techniques are being developed. This paper reviews recent progress in these areas, toward the development of soft material-enabled electronics for medicine, healthcare, and human-machine interfaces.
Author: Jae-Woong Jeong
Publisher: MDPI
ISBN: 3039282824
Category : Technology & Engineering
Languages : en
Pages : 244
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Book Description
Soft material-enabled electronics offer distinct advantage, over conventional rigid and bulky devices, for numerous wearable and implantable applications. Soft materials allow for seamless integration with skin and tissues due to enhanced mechanical flexibility and stretchability. Wearable devices, such as sensors, offer continuous, real-time monitoring of biosignals and movements, which can be applied in rehabilitation and diagnostics, among other applications. Soft implantable electronics offer similar functionalities, but with improved compatibility with human tissues. Biodegradable soft implantable electronics are also being developed for transient monitoring, such as in the weeks following surgery. To further advance soft electronics, materials, integration strategies, and fabrication techniques are being developed. This paper reviews recent progress in these areas, toward the development of soft material-enabled electronics for medicine, healthcare, and human-machine interfaces.
Author: W. Hong Yeo
Publisher:
ISBN: 9783039282838
Category : Engineering (General). Civil engineering (General)
Languages : en
Pages : 244
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Book Description
Soft material-enabled electronics offer distinct advantage, over conventional rigid and bulky devices, for numerous wearable and implantable applications. Soft materials allow for seamless integration with skin and tissues due to enhanced mechanical flexibility and stretchability. Wearable devices, such as sensors, offer continuous, real-time monitoring of biosignals and movements, which can be applied in rehabilitation and diagnostics, among other applications. Soft implantable electronics offer similar functionalities, but with improved compatibility with human tissues. Biodegradable soft implantable electronics are also being developed for transient monitoring, such as in the weeks following surgery. To further advance soft electronics, materials, integration strategies, and fabrication techniques are being developed. This paper reviews recent progress in these areas, toward the development of soft material-enabled electronics for medicine, healthcare, and human-machine interfaces.
Author: Rishabha Malviya
Publisher: John Wiley & Sons
ISBN: 1394199910
Category : Computers
Languages : en
Pages : 532
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Book Description
HUMAN-MACHINE INTERFACE The book contains the latest advances in healthcare and presents them in the frame of the Human-Machine Interface (HMI). The Human-Machine Interface (HMI) industry has witnessed the evolution from a simple push button to a modern touch-screen display. HMI is a user interface that allows humans to operate controllers for machines, systems, or instruments. Most medical procedures are improved by HMI systems, from calling an ambulance to ensuring that a patient receives adequate treatment on time. This book describes the scenario of biomedical technologies in the context of the advanced HMI, with a focus on direct brain-computer connection. The book describes several HMI tools and related techniques for analyzing, creating, controlling, and upgrading healthcare delivery systems, and provides details regarding how advancements in technology, particularly HMI, ensure ethical and fair use in patient care. Audience The target audience for this book is medical personnel and policymakers in healthcare and pharmaceutical professionals, as well as engineers and researchers in computer science and artificial intelligence.
Author: Anindya Nag
Publisher: CRC Press
ISBN: 1040020879
Category : Technology & Engineering
Languages : en
Pages : 355
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Book Description
Carbon Nanotube-Based Sensors: Fabrication, Characterization, and Implementation highlights the latest research and developments on carbon nanotubes (CNTs) and their applications in sensors and sensing systems. It offers an overview of CNTs, including their synthesis, functionalization, characterization, and toxicology. It then delves into the fabrication and various applications of CNT-based sensors. FEATURES Defines the significance of different forms of CNT-based sensors synthesized for diverse engineering applications and compares the feasibility of their generation Helps readers evaluate different types of fabrication techniques to generate CNTs and their subsequent sensing Discusses fabrication of low-cost, efficient CNTs-based sensors that can be used for diverse applications and sheds light on synthesis methods for a range of printing techniques Highlights challenges and advances in security-related issues using CNTs-based sensors This book is aimed at researchers in the fields of materials and electrical engineering who are interested in the development of sensor technology for industrial, biomedical, and related applications.
Author: Katsuyuki Sakuma
Publisher: CRC Press
ISBN: 0429554508
Category : Computers
Languages : en
Pages : 373
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Book Description
Remarkable progress has been achieved within recent years in developing flexible, wearable, and stretchable (FWS) electronics. These electronics will play an increasingly significant role in the future of electronics and will open new product paradigms that conventional semiconductors are not capable of. This is because flexible electronics will allow us to build flexible circuits and devices on a substrate that can be bent, stretched, or folded without losing functionality. This revolutionary change will impact how we interact with the world around us. Future electronic devices will use flexible electronics as part of ambient intelligence and ubiquitous computing for many different applications such as consumer electronics, medical, healthcare, and security devices. Thus, these devices have the potential to create a huge market all over the world. Flexible, Wearable, and Stretchable Electronics, provide a comprehensive technological review of the state-of-the-art developments in FWS electronics. This book offers the reader a taste of what is possible with FWS electronics and describes how these electronics can provide unique solutions for a wide variety of applications. Furthermore, the book introduces and explains new applications of flexible technology that has opened up the future of FWS electronics.
Author: Mengxiao Chen
Publisher: CRC Press
ISBN: 1040087345
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
The book presents the latest advances in soft electronics in biomedical engineering and its potential applications in various biomedical fields. The contributors provide comprehensive coverage of how soft electronics are used in diagnostics and monitoring, medical therapy, neural engineering, and wearable and implantable systems. In particular, some emerging research areas such as advanced soft robotics, fiber sensing technologies, and power optimization strategies are explored. In addition, the book highlights international standardization activities in wearable technologies and implantable bioelectronics. The book will benefit researchers, engineers, and advanced students in biomedical engineering, electrical and computer engineering, and materials science.
Author: Colin Tong
Publisher: Springer Nature
ISBN: 3030798046
Category : Technology & Engineering
Languages : en
Pages : 641
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Book Description
This book provides a comprehensive introduction to printed flexible electronics and their applications, including the basics of modern printing technologies, printable inks, performance characterization, device design, modeling, and fabrication processes. A wide range of materials used for printed flexible electronics are also covered in depth. Bridging the gap between the creation of structure and function, printed flexible electronics have been explored for manufacturing of flexible, stretchable, wearable, and conformal electronics device with conventional, 3D, and hybrid printing technologies. Advanced materials such as polymers, ceramics, nanoparticles, 2D materials, and nanocomposites have enabled a wide variety of applications, such as transparent conductive films, thin film transistors, printable solar cells, flexible energy harvesting and storage devices, electroluminescent devices, and wearable sensors. This book provides students, researchers and engineers with the information to understand the current status and future trends in printed flexible electronics, and acquire skills for selecting and using materials and additive manufacturing processes in the design of printed flexible electronics.
Author: Hanxiang Wu
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Wearable electronics is a new frontier of research to bridge the gap between rigid computational units and soft tissues. Unprecedented human-machine interfaces with new functions including physical and physiological sensors and personal cooling devices are developed based on novel soft materials such as conformal polymers, semiconducting nanomaterials, and electrocaloric polymers. However, there is still distance between a new functional material and a practical device in terms of reliability, cost, encapsulation, and lifetime. This dissertation focused on design, fabrication and verification of wearable electronic devices for human-machine interfaces enabled by new functional materials. Four selected topics are presented from chapter 2 through chapter 5. Chapter 2 concerns tissue-like bioelectronics which offer an ideal means of interfacing with the body, but their implementation typically requires rigid shuttle devices that can cause additional scarring and tissue damage during implantation. To address this issue, we developed a self-softening polymer-based neural device that can record both electrochemical and neurochemical signals in vivo. The mechanically adaptive polymer is stiff at room temperature, boasting a Young's modulus of approximately 100MPa, and thus can be implanted without the need for a shuttle. Once implanted, the device becomes soft with a Young's modulus of roughly 10 kPa. A multi-modal device was created using this self-softening polymer, which combines electrophysiological recording with neurotransmitter biosensors. The device enables simultaneous recording of both electrophysiological signals and serotonin concentrations in vivo. In the field of skin-attachable electronics, debonding-on-demand (DoD) adhesives are highly sought after, as they allow for repeated usage without damaging the skin. Chapter 3 developed a simple and versatile method for fabricating biocompatible bonding/debonding bistable adhesive polymers (BAPs) that exhibit conformal adhesion at skin temperature and easy detachment at room temperature. Additionally, the potential application of BAPs in a mechanosensitive communication system is explored. The BAPs are designed by incorporating stearyl acrylate (SA) and tetradecyl acrylate (TA) into a chemically cross-linked elastomer, which undergoes a semicrystalline-to-amorphous transition between 26°C and 32°C, leading to high adhesive flowability and significant energy dissipation. An optically transparent and mechanically compliant debonding-on-demand triboelectric nanogenerator (DoD-TENG) was also fabricated using the BAP as the DoD substrate, a polydimethylsiloxane (PDMS) elastomer as the electrification layer, and an ion-conductive elastomer as the electrode. This device can serve as a human-machine interface for a self-powered drone navigation system. This work is published and cited asGao, M.1, Wu, H.1, Plamthottam, R., Xie, Z., Liu, Y., Hu, J., ... & Pei, Q. (2021). Skin temperature-triggered, debonding-on-demand sticker for a self-powered mechanosensitive communication system. Matter, 4(6), 1962-1974. Flexible and conformable transistors that incorporate semiconductive single-walled carbon nanotubes (SWNTs) have been extensively studied for biosensing applications. However, their sensing capabilities are often hampered by high electrolytic leakage currents, which negatively impact their detection abilities. While data processing can help to amplify the signals, it will also sacrifice sampling rates and leave the sensors vulnerable to fluctuations in the electrolyte solutions. To address these issues, chapter 4 introduces SWNT-based twin-transistors, where one transistor acts as a sensor and the other as a reference. Both transistors share gate and source electrodes, and all source/drain electrodes are sealed by a parylene layer to minimize electrolytic leakage. A common-source amplifier circuit generates voltage signal readouts from the sensor and reference transistors, and differential outputs enhance the signal-to-noise ratios by 92%. The arrays of twin-transistors were fabricated using microfabrication techniques, including photolithography and solution-based deposition of SWNTs, followed by transfer to a polyurethane substrate. To demonstrate glucose biosensing, glucose oxidase was immobilized onto the SWNTs in the sensor channels. This resulted in a sensor that can deliver real-time detection of glucose in human serum, exhibiting a 100% increase in normalized responses per decade of glucose concentrations between 100 [mu]M to 100 mM. The response is proportional to the cubic root of glucose concentration, indicating that the redox electrons conducted by the nanotubes in the channel length direction contribute to the sensor response. Finally, the study demonstrated a portable glucose sensing system utilizing the flexible twin-transistors. The demand for compact and flexible cooling technology has increased significantly in the thermal management of wearable electronics and personal comfort. Electrocaloric (EC) cooling holds great potential as a solution, but its low adiabatic temperature change has impeded its progress. However, chapter 5 developed a cascade EC cooling device that overcomes this bottleneck by increasing the temperature change while enhancing cooling power and efficiency. The device integrates multiple units of EC polymer elements and an electrostatic actuation mechanism that work in synergy. Each pair of adjacent EC elements function in antiphase, allowing for continuous heat flow from the heat source to the heat sink. This antiphase operation also facilitates internal charge recycling, which improves energy efficiency. By operating at the EC electric field with a 3.0 K adiabatic temperature change, a four-layer cascade device can achieve a maximum temperature lift of 8.7 K under no-load conditions. The coefficient of performance is estimated to be 9.0 at a temperature lift of 2.7 K and 10.4 at zero temperature lift. This work is published and cited asMeng, Y., Zhang, Z., Wu, H., Wu, R., Wu, J., Wang, H., & Pei, Q. (2020). A cascade electrocaloric cooling device for large temperature lift. Nature Energy, 5(12), 996-1002.
Author: Ram K. Gupta
Publisher: CRC Press
ISBN: 100054379X
Category : Technology & Engineering
Languages : en
Pages : 621
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Book Description
The scientific community and industry have seen tremendous progress in efficient energy production and storage in the last few years. With the advancement in technology, new devices require high-performance, stretchable, bendable, and twistable energy sources, which can be integrated into next-generation wearable, compact, and portable electronics for medical, military, and civilian applications. Smart and Flexible Energy Devices examines the materials, basic working principles, and state-of-the-art progress of flexible devices like fuel cells, solar cells, batteries, and supercapacitors. Covering the synthesis approaches for advanced energy materials in flexible devices and fabrications and fundamental design concepts of flexible energy devices, such as fuel cells, solar cells, batteries, and supercapacitors, top author teams explore how newer materials with advanced properties are used to fabricate the energy devices to meet the future demand for flexible electronics. Additional features include: • Addressing the materials, technologies, and challenges of various flexible energy devices under one cover • Emphasizing the future demand and challenges of the field • Considering all flexible energy types, such as fuel cells, solar cells, batteries, and supercapacitors • Suitability for undergraduate and postgraduate students of material science and energy programs This is a valuable resource for academics and industry professionals working in the field of energy materials, nanotechnology, and energy devices.
Author: Woon-Hong Yeo
Publisher: Elsevier
ISBN: 0323993680
Category : Technology & Engineering
Languages : en
Pages : 590
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Book Description
Approx.630 pages Approx.630 pages
