High-performance detection of tryptophan using a NiWO₄/RGO nanohybrid modified electrode in environmental applications

Key Points

• High-performance detection of tryptophan is achievable using NiWO₄/RGO nanohybrid modified electrodes, enhancing sensitivity.
• A detection limit for tryptophan at 0.01 µM showcases the method's precision and reliability.
• The approach utilizes a nanohybrid system, combining nickel tungstate and reduced graphene oxide for improved electrochemical performance.
• Results imply this technique could lead to advanced environmental monitoring, aiding in pollution assessment.