Electroanalytical chemistry plays a crucial role in various fields such as environmental monitoring, pharmaceuticals, clinical diagnostics, and food safety. This review highlights the fundamental principles, major techniques, applications, and recent advances in electroanalytical chemistry. The paper discusses the challenges facing current techniques, such as sensitivity and selectivity, reproducibility, and miniaturization. Emerging trends and innovations, including nanotechnology, digital integration, and wearable sensors, are also explored. Future directions in electroanalytical chemistry are discussed, focusing on potential applications in environmental monitoring, biomedical sciences, and food safety. Overall, electroanalytical chemistry continues to evolve, offering powerful tools for analyzing chemical and biological systems.

electroanalytical chemistry, voltammetry, potentiometry, biosensors, nanotechnology, environmental monitoring, biomedical applications, food safety.