CHAPTER 1. Introduction to Immunosensors

The immunosensor has long been a popular analytical instrument due to its excellent detection performance in terms of selectivity and sensitivity. The recent advancements of immunosensors allows detection to be incorporated with the latest digital technology and for them to be miniaturized without compromising performance. This introductory chapter describes the fundamental set-ups and latest transduction strategies of immunosensors. The working principles, analytical constituents and latest progress in immunosensing development will be discussed. As a conclusion, the future outlook of immunosensors as a valuable detection platform will be put forward.