PEGDA hydrogel-based biosensor for continuous salivary cortisol monitoring without pre-treatment

Key Points

• Continuous monitoring of salivary cortisol levels is achievable with PEGDA hydrogel biosensors, enhancing real-time stress evaluation.
• The biosensor operates without the need for pre-treatment, simplifying the procedure and making it more user-friendly.
• Assessment used a hydrogel-based design to improve sensing accuracy and responsiveness for cortisol detection in saliva.
• This advancement may enable non-invasive stress monitoring; further validation in diverse settings is needed.