Disposable and Low-Cost Laser Scribed Graphene Metal Phosphate nanohybrid Electrochemical Sensor for Detection of Serotonin and Hydrogen Peroxide

Key Points

• To develop a low-cost sensor for the sensitive detection of serotonin and hydrogen peroxide in human serum.
• Utilized laser scribing technique to create graphene-based sensors.
• Incorporated metal phosphates into the sensor design.
• Tested the sensor's performance in detecting serotonin and hydrogen peroxide in serum samples.
• Achieved high sensitivity and specificity for serotonin detection.
• Demonstrated the sensor's effectiveness in detecting hydrogen peroxide levels.
• Provided a cost-effective solution for early illness identification through serum analysis.