The book “Microfluidics and Microsystems” serves as an introduction to the emerging field of microfluidics, offering insights into the latest research and developments in this area. It is specifically designed to benefit scientists and students who are working in the fields of MEMS (Microelectromechanical Systems) and microfluidics.The book provides readers with a comprehensive overview of the discipline, highlighting its importance and potential applications. It covers various topics related to microfluidics, including the precise control and manipulation of fluids at the micro scale, the integration of microfluidic components with other technologies, and the advancements in nanotechnologies that have enhanced microfluidic techniques.By delving into the research and developments in microfluidics, the book aims to equip scientists and students with a solid understanding of the field’s fundamental principles and practical applications. It explores the advancements in fluid injection, mixing, pumping, and storage within micro channels, as well as the challenges that researchers face in sample introduction and processing.