This detailed volume provides an updated overview of current uses of peptide microarray technology, showcasing consolidated applications while highlighting some of the most intriguing novelties and emerging fields of use. The methodologies within this collection are of considerable value for both advanced users and new-comers in the peptide microarray arena, as the renowned contributors describe full coverage of the aspects related to their workflows, from microchip manufacturing to advanced analytical applications. 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 and readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls.