Methods of formulation of silicon nanoparticles, emphasizing the role of Si/SiO2NPs nanoparticles in various applications Silicon Nanoparticles presents a comprehensive overview of the synthesis, uptake, and applications of Silicon Nanoparticles (SiNPs), ranging from fundamental to advanced topics and placing particular emphasis on the green synthesis of Si/SiO2NPs and their roles as drug-delivery agents, nanofertilizers, and stress-relief agents. Each chapter is enriched with well-crafted figures, flowcharts, and tables to enhance reader comprehension, with future perspectives and detailed summaries included at the end of each chapter. Written by a team of highly qualified authors and contributed to by subject matter experts across fields, Silicon Nanoparticles includes information on: Traditional methods for the synthesis and characterization of SiNPs for biomedical applications and sustainable agricultureGreen synthesis of SiNPs derived from plants and agricultural residues, covering innovative tools for human health, sustainable agriculture, and remediation of contaminated soil and waterThe role of Si/SiO2NPs in alleviating biotic stress caused by herbivory, heavy metal stress, heat stress, and droughtEnhancing disease resistance in plants and treating cancer, dermatitis, other skin conditions, and bacterial infections in humans Silicon Nanoparticles is an essential reference for researchers in the fields of nanotechnology, materials science, environmental science, pollution remediation, agriculture, and agronomy to understand the diverse applications and potential benefits of SiNPs across various fields.