Development of Biologically Active Nanomaterials" is an informative and comprehensive book that explores the advancements, challenges, and applications of nanotechnology in the field of biologically active materials. Nanomaterials, characterized by their unique properties at the nanoscale, have revolutionized various industries, including healthcare, biotechnology, and environmental science. This book brings together the expertise of researchers and scientists in the field of nanotechnology and biomedicine, providing a comprehensive overview of the principles, methods, and applications of developing nanomaterials with biological activity. It covers a wide range of nanomaterials, including nanoparticles, nanofibers, nanocomposites, and nanosensors, highlighting their potential in drug delivery, tissue engineering, biosensing, and diagnostic applications. Readers will gain insights into the fundamental principles of nanomaterial design, synthesis, and characterization. The book explores various strategies for tailoring the physicochemical properties of nanomaterials to achieve specific biological effects, such as controlled release of therapeutic agents, enhanced cellular interactions, and targeted drug delivery. Moreover, the book focuses on the biological evaluation of nanomaterials, including in vitro and in vivo assays used to assess their biocompatibility, toxicity, and therapeutic efficacy. It discusses the challenges associated with nanomaterial synthesis, scalability, and regulatory considerations, emphasizing the need for safe and effective nanomaterial development. Furthermore, the book covers emerging trends and applications in the field, such as the use of nanomaterials for cancer therapy, wound healing, regenerative medicine, and environmental remediation. It addresses the integration of nanotechnology with other disciplines, such as biology, medicine, and materials science, to drive innovation and create biologically active nanomaterials with multifunctional properties.