- Advanced Sensor and Energy Harvesting Materials
- Tactile and Sensory Interactions
- Analytical Chemistry and Sensors
- Conducting polymers and applications
- Glaucoma and retinal disorders
- Retinal Imaging and Analysis
- Optical Coherence Tomography Applications
- Advanced Fiber Optic Sensors
- Advanced biosensing and bioanalysis techniques
- Gas Sensing Nanomaterials and Sensors
- Retinal Diseases and Treatments
- Artificial Intelligence in Healthcare and Education
- Interactive and Immersive Displays
- Electrowetting and Microfluidic Technologies
- Dielectric materials and actuators
- Corneal surgery and disorders
- Advanced Proteomics Techniques and Applications
- COVID-19 diagnosis using AI
- Sensor Technology and Measurement Systems
- Acoustic Wave Resonator Technologies
- Muscle activation and electromyography studies
- Advanced MEMS and NEMS Technologies
- Cancer, Hypoxia, and Metabolism
- Wireless Power Transfer Systems
- Single-cell and spatial transcriptomics
Soochow University
2018-2025
University of California, Davis
2011-2015
Molecular Innovations (United States)
2014-2015
A flexible, transparent iontronic film is introduced as a thin-film capacitive sensing material for emerging wearable and health-monitoring applications. Utilizing the interface at ionic-electronic contact, sensor offers large unit-area capacitance (of 5.4 μF cm−2) an ultrahigh sensitivity 3.1 nF kPa−1), which thousand times greater than that of traditional solid-state counterparts. As service to our authors readers, this journal provides supporting information supplied by authors. Such...
Abstract A textile‐based wireless pressure sensor array (WiPSA) is proposed for flexible remote tactile sensing applications. The WiPSA device composed of a fabric spacer sandwiched by two separate layers passive antennas and ferrite film units. Under the external pressure, mechanical compression leads to an inductance change, which can further be transduced detectable shift resonant frequency. Importantly, integrates featuring ultrahigh permeability, effectively improves sensitivity avoids...
Flexible tactile sensors show promise for artificial intelligence applications due to their biological adaptability and rapid signal perception. Triboelectric enable active dynamic sensing, while integrating static pressure sensing real-time multichannel transmission is key further development. Here, we propose an integrated structure combining a capacitive sensor spatiotemporal mapping triboelectric recognition. A liquid metal-based flexible dual-mode triboelectric-capacitive-coupled (TCTS)...
This paper presented a novel droplet-based pressure sensor using elastic and capacitive electrode-electrolyte interfaces to achieve ultrahigh mechanical-to-electrical sensitivity (1.58 μF kPa(-1)) resolution (1.8 Pa) with simple device architecture. The miniature transparent droplet sensors, fabricated by one-step laser micromachining, consisted of two flexible polymer membranes conductive coating separation layer hosting sensing chamber for an electrolyte droplet. principle primarily relied...
An iontronic microdroplet array (IMA) device, using an ultra-large interfacial capacitance at the highly elastic droplet–electrode contact, has been proposed for flexible tactile sensing applications. The transparent IMA sensors consist of nanoliter droplets sandwiched between two polymeric membranes with patterned electrodes, forming electrical double layers remarkable unit-area capacitance. Under external loading, membrane deformation results in circumferential expansion which offers a...
Flexible pressure sensors emerge for important applications in wearable electronics, with increasing requirements high sensitivity, fast response, and low detection limit. However, there is still a challenge this field, that is, how to maximize both the electrical performance mechanical stretchability simultaneously. Here, we report straightforward cost-effective method fabricate highly stretchable sensitive capacitive sensor arrays. It features unique design of integrating icicle-shaped...
As an important signaling molecule, hydrogen peroxide (H2O2) secreted externally by the cells influences cell migration, immunity generation, and cellular communications. Herein, we have developed a microfluidic approach with droplets in combination Au nanoclusters for sensitive detection of H2O2 single cell. Isolated ultrasmall volume (4.2 nL) microdroplet, single-cell can initiate dramatic fluorescence changes horseradish peroxidase-Au nanoclusters. We demonstrated ultrahigh sensitivity...
There is an increasing demand for sensitive, flexible, and low‐cost pressure sensing solutions health monitoring, wearable sensing, robotic prosthetic applications. Here, the first flexible pressure‐sensitive microfluidic film reported, referred to as a microflotronic, with high transparency seamless integratability state‐of‐the‐art microelectronics. The microflotronic represents initial effort utilize continuous layer elements large‐area dynamic mapping applications, meanwhile ultrahigh...
Abstract Multimodal tactile sensors, as key information input channel in human‐machine interactions, have faced the significant challenges including high power‐consumption, multimodal data fusion, and wireless transmission. In this work, a battery‐free sensor (TC‐MWTS) based on tribo‐capacitive coupled effect for normal shear force fusion sensing is proposed, which enabled by 3D structure combining triboelectric capacitive with an inductive coil. A equipped contact‐discharge structures...
A microfluidic tactile sensing device has been first reported for three-dimensional contact force measurement utilizing the interfacial capacitive (MICS) principle. Consisting of common and differential elements topologically micro-textured surfaces, devices are intended not only to resolve normal mechanical loads but also measure forces tangent surface upon contact. In response or shear loads, membrane deforms underlying uniformly differentially. The corresponding variation in capacitance...
Chatbot-based multimodal AI holds promise for collecting medical histories and diagnosing ophthalmic diseases using textual imaging data. This study developed evaluated the ChatGPT-powered Intelligent Ophthalmic Multimodal Interactive Diagnostic System (IOMIDS) to enable patient self-diagnosis self-triage. IOMIDS included a text model three models (text + slit-lamp, smartphone, slit-lamp smartphone). The performance was through two-stage cross-sectional across centers involving 10...
With more attention paid to the prevention of cardiovascular diseases, convenient and non-invasive methods blood pressure measurement are gradually receiving attention. Non-invasive based on pulse wave signals is simple fast but requires specialized medical knowledge deal with complex features. The aim this study was map signal features systolic/diastolic values using machine learning methods. In study, a flexible piezoelectric sensor its circuit were designed measure preprocess signals....
Artificial tactile sensing in next-generation robots requires the development of flexible sensors for complicated force measurements both normal and tangential directions.
Abstract Wireless flexible sensing devices using inductive‐capacitive (LC) resonator‐enabled transmission technologies are attractive in the areas of human motion detection, health inspection, and implantable medical devices. However, challenges remain LC‐based wireless devices, including low device sensitivity/resolution slow signal readout speed based on sweeping excitation frequencies. Herein, an LC resonator‐based pressure technology (LC‐WPS) is proposed for contact measurements a...
There is a rapid growing demand for highly sensitive, easy adaptive and low-cost pressure sensing solutions in the fields of health monitoring, wearable electronics home care. Here, we report novel flexible inductive sensor array with ultrahigh sensitivity simple construction, large-area contact measurements. In general, device consists three layers: planar spiral inductor layer ferrite film units attached on polyethylene terephthalate (PET) membrane, which are separated by an elastic...
Developing novel strategies for sensitive and specific detection of protein biomarkers is a field active research. Here, we report an ultrasensitive biosensor to detect tyrosine kinase-7 (PTK7), important biomarker on the cell surface, by aptamer conformation-cooperated enzyme-assisted surface-enhanced Raman scattering (SERS) (ACCESS) technology. Our approach features synergistic combination conformational alteration anglerfish triggered recognition membrane (PTK7) Exo III nucleic acid...
A droplet-based flexible wireless force sensor has been developed for remote tactile-sensing applications. By integration of a capacitive sensing unit and two circular planar coils, this inductor-capacitor (LC) passive offers platform the mechanical detection in transmitting mode. Under external loads, membrane surface deforms underlying elastic droplet uniformly, introducing capacitance response tens picofarads. The LC circuit transduces applied into corresponding variations its resonance...
Packaging continues to be one of the most challenging steps in micro-nanofabrication, as many emerging techniques (e.g., soft lithography) are incompatible with standard high-precision alignment and bonding equipment. In this paper, we present a simple-to-operate, easy-to-adapt packaging strategy, referred Capillary-driven Automatic (CAP), achieve automatic process, including desired features spontaneous bonding, wide applicability various materials, potential scalability, direct...
Abstract A hypoxic tumor microenvironment (TME) makes tumors resistant to various therapies including chemotherapies, radiotherapies, and photodynamic therapies. Here, a new strategy of building reactive oxygen species (ROS) field effect transistor (FET) is reported, which enables amplified ROS flux for ablation addresses the challenge hypoxia by liposomal delivery system (SN‐38∩LP@Fe 3 O 4 /GOx). This design can switch “ON” FET small tuning on “gate electrode” with downregulation HIF‐1α...