This detailed book presents a technical overview and practical methodology of a variety of antibody array formats and technologies. As advantages and disadvantages of antibody array types are explored, the volume also delves into practical applications of antibody arrays pertaining to investigations of specific research topics and biological processes as well as guidance on the methods of processing, analysis, and storage of array data. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls.