This book comprehensively covers various topics related to Macromolecules. It introduces specific macromolecules, discussing their structure and functions. The book includes in-depth discussions on cisplatin derivatives as antiviral agents, synthetic versatility and structural modulation of organometallic polymers, plant macromolecules, functional applications, solid-state macromolecules, and advancements in high-temperature network polymers of Carboranylenesiloxanes and Silarylene Siloxades. The chapters provide insights into fundamental macromolecule concepts, their biological and antiviral properties, structure-function relationships, and applications in biomaterials and wound healing. The book explores the practical uses of macromolecules in fields like material science, life science, and pharmaceutical chemistry. This book is meant for researchers and scholars, aims to keep readers up-to-date with the latest information on macromolecules. It serves as a comprehensive reference for scholars across various disciplines.