- Advanced Sensor and Energy Harvesting Materials
- Tactile and Sensory Interactions
- Conducting polymers and applications
- Neuroscience and Neural Engineering
- Hydrogels: synthesis, properties, applications
- Supercapacitor Materials and Fabrication
- Interactive and Immersive Displays
- Wireless Power Transfer Systems
- Advanced Materials and Mechanics
- Dielectric materials and actuators
- Muscle activation and electromyography studies
- Nanomaterials and Printing Technologies
- Optical Imaging and Spectroscopy Techniques
- SARS-CoV-2 detection and testing
- Analytical Chemistry and Sensors
- Electrochemical Analysis and Applications
- Polymer Surface Interaction Studies
- Non-Invasive Vital Sign Monitoring
- Advanced Mathematical Modeling in Engineering
- Innovative Energy Harvesting Technologies
- Pickering emulsions and particle stabilization
- Lattice Boltzmann Simulation Studies
- Respiratory viral infections research
- Gas Sensing Nanomaterials and Sensors
- Wireless Body Area Networks
Michigan State University
2024-2025
City University of Hong Kong
1998-2023
Hong Kong Metropolitan University
2020
Tactile sensations are mainly transmitted to each other by physical touch. Wireless touch perception could be a revolution for us interact with the world. Here, we report wireless self-sensing and haptic-reproducing electronic skin (e-skin) realize noncontact communications. A flexible actuator was developed provide an integrated function in both tactile sensing haptic feedback. When this e-skin dynamically pressed, generated induced voltage as information. Via communication, another receive...
Abstract Recent advances in virtual reality (VR) technologies accelerate the creation of a flawless 3D world to provide frontier social platform for human. Equally important traditional visual, auditory and tactile sensations, olfaction exerts both physiological psychological influences on humans. Here, we report concept skin-interfaced olfactory feedback systems with wirelessly, programmable capabilities based arrays flexible miniaturized odor generators (OGs) VR applications. By optimizing...
Abstract A critical challenge lies in the development of next‐generation neural interface, mechanically tissue‐compatible fashion, that offer accurate, transient recording electrophysiological (EP) information and autonomous degradation after stable operation. Here, an ultrathin, lightweight, soft multichannel interface is presented based on organic‐electrochemical‐transistor‐(OECT)‐based network, with capabilities continuous high‐fidelity mapping signals biosafety active degrading...
A combined treatment using medication and electrostimulation increases its effectiveness in comparison with one alone. However, the organic integration of two strategies miniaturized system for practical usage has seldom been reported. This article reports an implantable electronic medicine based on bioresorbable microneedle devices that is activated wirelessly sustainable delivery anti-inflammatory drugs. The composed a radio frequency wireless power transmission drug-loaded structure, all...
Wearable electronics have attracted extensive attentions over the past few years for their potential applications in health monitoring based on continuous data collection and real-time wireless transmission, which highlights importance of portable powering technologies. Batteries are most used power source wearable electronics, but unfortunately, they consist hazardous materials bulky, limit incorporation into state-of-art skin-integrated electronics. Sweat-activated biocompatible batteries...
Abstract Thin, soft, and skin-integrated electronic system has great advantages for realizing continuous human healthcare monitoring. Here, we report an ultra-thin, flexible, garment-based microelectronics powered by sweat-activated batteries (SABs) applications of powering biosensors microelectronic systems real time sweat The SAB cell is ultra-thin (1.25 mm) with excellent biocompatibility. good electricity output high capacity (14.33 mAh) maximum power density (3.17 mW cm −2 ) after being...
Abstract Intelligent monitoring human physiological information in real time raises the demand for skin‐integrated electronics, as which is a flexible format and can be mounted onto curved skin noninvasive healthcare monitoring. The biofluid such sweat from contains abundant biomarkers reflecting body health conditions. Here, monitor with six biosensors embedded detection of NH 4 + , Na glucose, pH, impedance, surface temperature described, could decode fresh generated during exercising....
The rapid diagnosis of respiratory virus infection through breath and blow remains challenging. Here we develop a wireless, battery-free, multifunctional pathogenic system (PIDS) for diagnosing SARS-CoV-2 symptom severity by within 110 s 350 s, respectively. accuracies reach to 100% 92% evaluating the 42 participants, PIDS realizes simultaneous gaseous sample collection, biomarker identification, abnormal physical signs recording machine learning analysis. We transform into other...
Transient power sources with excellent biocompatibility and bioresorablility have attracted significant attention. Here, we report high-performance, transient glucose enzymatic biofuel cells (TEBFCs) based on the laser-induced graphene (LIG)/gold nanoparticles (Au NPs) composite electrodes. Such LIG electrodes can be easily fabricated from polyimide (PI) an infrared CO2 laser exhibit a low impedance (16 Ω). The resulted TEBFC yields high open circuit potential (OCP) of 0.77 V maximum density...
Abstract With the high flexibility, good conformability and lightweight, next‐generation energy harvesters could exist in format of epidermal electronics. They are able to convert mechanical from daily body motions into electrical signals for harvesting human‐machine interfaces. Triboelectric nanogenerators (TENGs) have proven be excellent candidates wearable harvesters, however, reported TENGs commonly face hurdles poor adhesion skin relative thick geometry up several cm. Herein, a series...
Abstract Flexible and bio‐integrated electronics have attracted great attention due to their enormous contributions personalized medical devices. Power sources, serving as one of the most important components, been suffering from many problems, including deficient biocompatibility, poor stretchability, unstable electrical outputs under deformed conditions, which limits practical applications in flexible electronics. Here, we reported a fully stretchable magnesium (Mg)–air battery based on...
With the requirements of self-powering sensors in flexible electronics, wearable triboelectric nanogenerators (TENGs) have attracted great attention due to their advantages excellent electrical outputs and low-cost processing routes. The crosstalk effect between adjacent sensing units TENGs significantly limits pixel density sensor arrays. Here, we present a skin-integrated, TENG array with 100 an overall size 7.5 cm × that can be processed simple, low-cost, scalable way enabled by 3D...
Abstract Cardiovascular diseases (CVDs) are fatal chronic diseases, where electrocardiography (ECG) monitoring could be a prominent solution for early diagnosis. In spite of available commercialized, multilead ECG devices, bulky formats, discontinuous monitoring, and no safety alarm system significantly limit their practical applications. Herein, we present soft, stretchable, three‐lead device allowing continuous wireless transmission signals. A newly developed organohydrogel patch with...
Abstract While in-situ underwater adhesives are highly desirable for marine exploration and robotics, existing suffer from significantly reduced performance compared to air-cured adhesives, mainly due difficulties in removing interfacial water molecules. Here, we develop a pressure-sensitive adhesive featuring superabsorbent particles infused with functional silane hydrogel precursors. When injected into an crack, the quickly absorb water, swell, fill crack. Mechanical pressure is applied...
We report a mechano-diffusion mechanism that harnesses mechanical deformation to control particle diffusion in stretchable hydrogels with significantly enlarged tuning ratio and highly expanded freedom.
Flexible electronic skin (e-skin) has been successfully utilized in diverse applications, including prosthesis sensing, body-motion monitoring and human-machine interfaces, due to its excellent mechanical properties electrical characteristics.However, current e-skins are still relatively thick (> 10 µm) uncomfortable for long-term usage on the human body.Herein, an ultrathin skin-integrated strain sensor with miniaturized dimensions, based piezoresistive effect, stability robustness, is...
Abstract Multimodal force identification by electronic skin (E‐skin) provides comprehensive and precise tactile information that can enhance elaborated functions of fine discrimination, robotic manipulation, gesture recognition. However, it remains a great challenge to realize such complicated from highly simplified E‐skin sensing system. Here, mimicking the multi‐mechanoreceptor synergistic effect in human skin, simple, thin, soft, intelligent sensor composed an asymmetrically arrangement...
The very recent concept of metaverse highlights the importance virtual reality (VR) and augmented (AR), which associates with a wide variety applications in entertainment, medical treatment, human–machine interfaces. current VR/AR technologies mainly rely on visual interaction, while immersive experience VR AR highly demands sensational feedback, such as haptic temperature noticeable quality wearable or even skin-integrated formarts. In this article, we report flexible interface based...
Sepsis is a severe organ dysfunction typically caused by wound infection which leads to septic shock, failure or even death if no early diagnosis and property medical treatment were taken. Herein, we report soft, wearable battery-free dressing system (WDS) for wireless real-time monitoring of condition sepsis-related biomarker (procalcitonin [PCT]) in exudate sepsis detection. The WDS powered near-field communication enables data transmission, signal processing power supply, allows portable...