Functionalized Magnetic Nanosystems for Diagnostic Tools and Devices: Current and Emerging Research Trends explores the various aspects of functionalization of magnetic nanosystems in great detail, providing a thorough review of the associated benefits and challenges. The book begins with an overview of each key pillar for the design and application of functionalized magnetic nanosystems, from the synthesis, processing methods, and characterization techniques, to biocompatibility and toxicity considerations. Later chapters focus on specific nanomaterials and targeted biomedical applications, including point-of-care diagnosis, cancer therapy, medical imaging, biosensing and more. Importance is given to the safety considerations, environmental, legal and ethical implications, and commercial aspects of functionalized magnetic nanosystems, thus providing guidance relevant for advancing research into clinical practice.