- Advanced Sensor and Energy Harvesting Materials
- Conducting polymers and applications
- Advanced Materials and Mechanics
- Tactile and Sensory Interactions
- Nanomaterials and Printing Technologies
- Advanced Chemical Sensor Technologies
- Gaze Tracking and Assistive Technology
- Neuroscience and Neural Engineering
- Functional Brain Connectivity Studies
- Emotion and Mood Recognition
- Silk-based biomaterials and applications
- Exercise and Physiological Responses
- Perovskite Materials and Applications
- Surface Modification and Superhydrophobicity
- Nutritional Studies and Diet
- Electrochemical Analysis and Applications
- Advancements in Transdermal Drug Delivery
- Chalcogenide Semiconductor Thin Films
- Advanced MRI Techniques and Applications
- Atomic and Subatomic Physics Research
Purdue University West Lafayette
2023-2025
Self-healing hydrogels are in high demand for wearable sensing applications due to their remarkable deformability, ionic and electrical conductivity, self-adhesiveness human skin, as well resilience both mechanical damage. However, these face challenges such delayed healing times unavoidable hysteresis, which limit practical effectiveness. Here, we introduce a self-healing hydrogel that exhibits exceptionally rapid with recovery time of less than 0.12 s an ultralow hysteresis 0.64% under...
Continuous real-time monitoring of biomarkers in interstitial fluid is essential for tracking metabolic changes and facilitating the early detection management chronic diseases such as diabetes. However, developing minimally invasive sensors situ analysis addressing signal delays remain a challenge. Here, we introduce wearable sensor patch incorporating hydrogel microneedles rapid, collection from skin while simultaneously measuring biomarker levels situ. The stretchable to accommodate...
E-textiles, also known as electronic textiles, seamlessly merge wearable technology with fabrics, offering comfort and unobtrusiveness establishing a crucial role in health monitoring systems. In this field, the integration of custom sensor designs conductive polymers into various fabric types, especially large areas, has presented significant challenges. Here, we present an innovative additive patterning method that utilizes dual-regime spray system, eliminating need for masks allowing...
Strain gauges, particularly for wearable sensing applications, require a high degree of stretchability, softness, sensitivity, selectivity, and linearity. They must also steer clear challenges such as mechanical electrical hysteresis, overshoot behavior, slow response/recovery times. However, current strain gauges face in satisfying all these requirements at once due to the inevitable trade-offs between properties. Here, we present an innovative method creating from spongy Ag foam through...
The increasing need for precise dietary monitoring across various health scenarios has led to innovations in wearable sensing technologies. However, continuously tracking food and fluid intake during daily activities can be complex. In this study, we present a machine-learning-powered smart neckband that features wireless connectivity comfortable, foldable design. Initially considered beneficial managing conditions such as diabetes obesity by facilitating control, the device's utility...
Abstract Conductive hydrogels, known for their biocompatibility and responsiveness to external stimuli, hold promise biomedical applications like wearable sensors, soft robotics, implantable electronics. However, broader use is often constrained by limited toughness environmental resilience, particularly under mechanical stress or extreme conditions. Inspired the hierarchical structures of natural materials spider silk, a strategy developed enhance both tolerance in conductive hydrogels. By...
Abstract Conductive hydrogels, despite their significant potential, have faced historical limitations including vulnerability to dehydration, degradation of performance at extreme temperatures, and susceptibility freezing in subzero conditions. Furthermore, the development hydrogels that are both tough stretchable, capable maintaining under environmental conditions, has remained a challenging task. Herein, an innovative conductive organohydrogel, distinguished by its superior toughness,...
Recent advancements in biomaterials have significantly impacted wearable health monitoring, creating opportunities for personalized and non-invasive assessments. These developments address the growing demand customized healthcare solutions. Durability is a critical factor applications, as they must withstand diverse wearing conditions effectively. Therefore, there heightened focus on developing that maintain robust stable functionalities, essential advancing sensing technologies. This review...
In this study, we overcome the technological barrier against acquiring submillimeter resolution (~ 0.5 mm) fMRI data at 3T via a novel dual-echo Rosette k-space design. This design results in fine representation of activation maps two different functional tasks and might be springboard neuroimaging by providing very high-resolution spatiotemporal dynamics neural networks. The method will further evolved with feedback from MRI community github platform as such for acceleration, inflow...