A laser‐Engraved Wearable Electrochemical Sensing Patch for Heat Stress Precise Individual Management of Horse
Authors: Yuxiang Pan, Xiaoyu Su, Ying Liu, Peidi Fan, Xunjia Li, Yibin Ying, Jianfeng Ping
Journal: Advanced Science
Summary
# Editorial Summary Researchers have developed a wearable electrochemical sensing patch capable of monitoring sweat pH, potassium ion concentration, and temperature in horses during heat stress, addressing a significant gap in point-of-care diagnostics for high-value animals whose abundant sweat glands reflect underlying physiological state. The device employs laser-engraved graphene electrodes coupled with a non-invasive iontophoretic stimulation module to trigger sweat secretion, integrated with wireless data transmission and logic-based signal processing specifically calibrated for equine dermatology and physiology. Testing demonstrated that the patch reliably detected heat stress with high accuracy, stability, and reproducibility across multiple measurements, providing real-time sweat constituent data that serves as an early health indicator. For equine professionals managing performance horses, breeding stock, or those in high-stress environments, this technology offers unprecedented capability to individualise management protocols based on objective physiological markers rather than clinical observation alone. The system's practical applicability could fundamentally shift how we approach thermal stress prevention, particularly in competition, breeding, and high-temperature conditions, enabling interventions before clinical signs manifest.
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Practical Takeaways
- •This emerging technology could enable early detection of heat stress in high-value horses through non-invasive, continuous sweat monitoring at competition or training venues
- •Real-time data on sweat electrolyte composition (particularly K+ and pH) may help trainers and veterinarians make faster intervention decisions during strenuous exercise
- •Wireless data transmission allows remote monitoring of individual horses, supporting personalized management strategies for heat-sensitive or heavily-worked animals
Key Findings
- •A wearable electrochemical sensor patch was successfully developed to monitor equine sweat pH, potassium ion concentration, and temperature during heat stress
- •The device integrates laser-engraved graphene electrodes with iontophoretic stimulation and wireless communication for real-time sweat analysis
- •The sensor patch demonstrated high accuracy, stability, and reproducibility in assessing heat stress with a truth table logic evaluation system