Daeshik Kang
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View article: Crack‐Growing Interlayer Design for Deep Crack Propagation and Ultrahigh Sensitivity Strain Sensing
Crack‐Growing Interlayer Design for Deep Crack Propagation and Ultrahigh Sensitivity Strain Sensing Open
Strain signals contain rich physical and physiological information, requiring highly sensitive sensors to capture minute deformations. Low strain detection is especially important for applications involving small but informative deformatio…
View article: Breathable, wearable skin analyzer for reliable long-term monitoring of skin barrier function and individual environmental health impacts
Breathable, wearable skin analyzer for reliable long-term monitoring of skin barrier function and individual environmental health impacts Open
Monitoring skin health through parameters like skin hydration (SH) and transepidermal water loss (TEWL) is vital for diagnosing skin conditions and identifying disease factors. Conventional devices and survey-based methods often fail to de…
View article: Deployable electronics with enhanced fatigue resistance for crumpling and tension
Deployable electronics with enhanced fatigue resistance for crumpling and tension Open
Highly packable and deployable electronics offer a variety of advantages in electronics and robotics by facilitating spatial efficiency. These electronics must endure extreme folding during packaging and tension to maintain a rigid structu…
View article: A Wearable Stethoscope for Accurate Real-Time Lung Sound Monitoring and Automatic Wheezing Detection Based on an AI Algorithm
A Wearable Stethoscope for Accurate Real-Time Lung Sound Monitoring and Automatic Wheezing Detection Based on an AI Algorithm Open
The various bioacoustics signals obtained with auscultation contain complex clinical information that has been traditionally used as biomarkers, however, they are not extensively used in clinical studies owing to their spatiotemporal limit…
View article: Area‐Specific Assessment of Stratum Corneum Hydration and Transepidermal Water Loss in Pediatric Patients With Atopic Dermatitis
Area‐Specific Assessment of Stratum Corneum Hydration and Transepidermal Water Loss in Pediatric Patients With Atopic Dermatitis Open
SCORring atopic dermatitis (SCORAD) is widely used to assess the severity of atopic eczema, but score systems based on the entire body may be limited in effective monitoring and intervention. It is crucial to monitor moisture levels in eac…
View article: Hypersensitive meta-crack strain sensor for real-time biomedical monitoring
Hypersensitive meta-crack strain sensor for real-time biomedical monitoring Open
Real-time monitoring of infinitesimal deformations on complex morphologies is essential for precision biomechanical engineering. While flexible strain sensors facilitate real-time monitoring with shape-adaptive properties, their sensitivit…
View article: Ultrasensitive Ultrasoft Buckled Crack‐Based Sensor for Respiration Measurement and Enhanced Human–Machine Interface
Ultrasensitive Ultrasoft Buckled Crack‐Based Sensor for Respiration Measurement and Enhanced Human–Machine Interface Open
Wearable strain sensors have transformed the real‐time monitoring of health conditions and human–machine interactions. However, recently developed wearable strain sensors exhibit several limitations. For example, when a sensor is designed …
View article: Lithographically Defined Zerogap Strain Sensors
Lithographically Defined Zerogap Strain Sensors Open
Metal thin films on soft polymers provide a unique opportunity\nfor resistance-based strain sensors. A mechanical mismatch between\nthe conductive film and the flexible substrate causes cracks to open\nand close, changing the electrical re…
View article: Transient shuttle for a widespread neural probe with minimal perturbation
Transient shuttle for a widespread neural probe with minimal perturbation Open
Bioelectronic implants in the deep brain provide the opportunity to monitor deep brain activity with potential applications in disease diagnostics and treatment. However, mechanical mismatch between a probe and brain tissue can cause surgi…
View article: A Fully Biodegradable and Ultra‐Sensitive Crack‐Based Strain Sensor for Biomechanical Signal Monitoring
A Fully Biodegradable and Ultra‐Sensitive Crack‐Based Strain Sensor for Biomechanical Signal Monitoring Open
A fully biodegradable, ultra‐sensitive, and soft strain sensor is pivotal for temporary, real‐time monitoring of microdeformations, crucial in disease diagnosis, surgical precision, and prognosis of muscular, and vascular conditions. Never…
View article: Fly-by-Feel: Wing Strain-based Flight Control of Flapping-Wing Drones through Reinforcement Learning
Fly-by-Feel: Wing Strain-based Flight Control of Flapping-Wing Drones through Reinforcement Learning Open
Although drone technology has progressed significantly, replicating the dynamic control and wind-sensing abilities of biological flights is still beyond our reach. Biological studies have revealed that insect wings are equipped with mechan…
View article: Active Whisker‐Inspired Food Material Surface Property Measurement Using Deep‐Learned Mechanosensor
Active Whisker‐Inspired Food Material Surface Property Measurement Using Deep‐Learned Mechanosensor Open
Rat whiskers are an exceptional sensing system, extracting information from their surrounding environment. Inspired by this concept, active whisker sensors measure various physical and geometric properties through contact with objects. How…
View article: Real-time counting of wheezing events from lung sounds using deep learning algorithms: Implications for disease prediction and early intervention
Real-time counting of wheezing events from lung sounds using deep learning algorithms: Implications for disease prediction and early intervention Open
This pioneering study aims to revolutionize self-symptom management and telemedicine-based remote monitoring through the development of a real-time wheeze counting algorithm. Leveraging a novel approach that includes the detailed labeling …
View article: Area Specific Monitoring of Stratum Corneum Hydration and Transepidermal Water Loss among Atopic Dermatitis Patients
Area Specific Monitoring of Stratum Corneum Hydration and Transepidermal Water Loss among Atopic Dermatitis Patients Open
SCORAD is widely used to assess the severity of atopic eczema, but score systems based on the entire body may be limited in effective monitoring and intervention. It is crucial to monitor moisture levels in affected body part, but empirica…
View article: A wearable stethoscope for accurate real-time lung sound monitoring and automatic wheezing detection based on an AI algorithm
A wearable stethoscope for accurate real-time lung sound monitoring and automatic wheezing detection based on an AI algorithm Open
The various bioacoustics signals obtained with auscultation contain complex clinical information used as traditional biomarkers, however it is not widely used in clinical for long-term studies due to spatiotemporal limitations. Here, we de…
View article: Ultra-stable and tough bioinspired crack-based tactile sensor for small legged robots
Ultra-stable and tough bioinspired crack-based tactile sensor for small legged robots Open
For legged robots, collecting tactile information is essential for stable posture and efficient gait. However, mounting sensors on small robots weighing less than 1 kg remain challenges in terms of the sensor’s durability, flexibility, sen…
View article: Scale dependence in hydrodynamic regime for jumping on water
Scale dependence in hydrodynamic regime for jumping on water Open
Momentum transfer from the water surface is strongly related to the dynamical scale and morphology of jumping animals. Here, we investigate the scale-dependent momentum transfer of various jumping organisms and engineered systems at an air…
View article: Spider-inspired tunable mechanosensor for biomedical applications
Spider-inspired tunable mechanosensor for biomedical applications Open
The recent advances of wearable sensors are remarkable but there are still limitations that they need to be refabricated to tune the sensor for target signal. However, biological sensory systems have the inherent potential to adjust their …
View article: Optimizing Reinforcement Learning Control Model in Furuta Pendulum and Transferring it to Real-World
Optimizing Reinforcement Learning Control Model in Furuta Pendulum and Transferring it to Real-World Open
Reinforcement learning does not require explicit robot modeling as it learns on its own based on data, but it has temporal and spatial constraints when transferred to real-world environments. In this research, we trained a balancing Furuta…
View article: Design of a Biologically Inspired Water-Walking Robot Powered by Artificial Muscle
Design of a Biologically Inspired Water-Walking Robot Powered by Artificial Muscle Open
The agile and power-efficient locomotion of a water strider has inspired many water-walking devices. These bioinspired water strider robots generally adopt a DC motor to create a sculling trajectory of the driving leg. These robots are, th…
View article: Actuating Compact Augmented Reality Devices by Artificial Muscle
Actuating Compact Augmented Reality Devices by Artificial Muscle Open
An artificial muscle actuator resolves practical engineering problems in compact wearable devices, which are limited to conventional actuators such as electromagnetic actuators. Abstracting the fundamental advantages of an artificial muscl…
View article: Design of a Sensitive Balloon Sensor for Safe Human–Robot Interaction
Design of a Sensitive Balloon Sensor for Safe Human–Robot Interaction Open
As the safety of a human body is the main priority while interacting with robots, the field of tactile sensors has expanded for acquiring tactile information and ensuring safe human–robot interaction (HRI). Existing lightweight and thin ta…
View article: Foot Plantar Pressure Measurement System Using Highly Sensitive Crack-Based Sensor
Foot Plantar Pressure Measurement System Using Highly Sensitive Crack-Based Sensor Open
Measuring the foot plantar pressure has the potential to be an important tool in many areas such as enhancing sports performance, diagnosing diseases, and rehabilitation. In general, the plantar pressure sensor should have robustness, dura…
View article: Nature-inspired rollable electronics
Nature-inspired rollable electronics Open
Inspired by the rolling mechanism of the proboscis of a butterfly, rollable electronics that can be rolled and unrolled to a great extent on demand are developed. Generally, electronic devices that are attached to various surfaces to acqui…
View article: FEP Encapsulated Crack-Based Sensor for Measurement in Moisture-Laden Environment
FEP Encapsulated Crack-Based Sensor for Measurement in Moisture-Laden Environment Open
Among many flexible mechanosensors, a crack-based sensor inspired by a spider’s slit organ has received considerable attention due to its great sensitivity compared to previous strain sensors. The sensor’s limitation, however, lies on its …