2. Biosensors Characteristics: Definitions and Concepts

This chapter delves into the essential characteristics that define the performance of biosensors, focusing on calibration, dynamic range, sensitivity, and selectivity. Calibration is explored in detail, with a step-by-step guide on constructing calibration curves using standard solutions, ensuring accurate and reliable measurements. The dynamic range of biosensors is discussed, highlighting the importance of operating within specific limits to avoid inaccuracies. Sensitivity is examined, explaining how it is determined and its significance in biosensor performance. Selectivity and specificity are also addressed, emphasizing their roles in accurate analyte measurement. The chapter concludes by discussing the importance of accuracy, precision, repeatability, linearity, saturation, and stability in biosensor performance, providing a comprehensive overview of the factors that influence the effectiveness of biosensors in various analytical applications.