This detailed volume serves as a collection of methods for single-cell protein analysis, created by combining different protocols, taking advantage of new emerging technologies, and improving upon conventional methods to guide researchers aiming to perform protein analysis in single cells. Ranging from simple to complex, conventional to the most current technologies, these chapters offer readers the ability to choose the best suited methodologies for them, based on the sample type and the available technologies or equipment. 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. Authoritative and practical, Single-Cell Protein Analysis: Methods and Protocols aims to help researchers utilizing single-cell protein analysis in their studies as well to inspire the development of the next generation of improved protein analysis methods in single cells.