Preface

It is our great honor and privilege to present this Special Issue on ``Chemistry of Nanomaterials: Synthesis, Characterization and Applications'' in the Sultan Qaboos titled University Journal for Science (SQUJS). This thematic collection showcases research that highlights the important role of nanomaterials in addressing contemporary scientific, technological, environmental, and biomedical challenges. The contributions featured in this Special Issue reflect the remarkable diversity and interdisciplinary research in the area of nanoscience and technology. The papers demonstrate how nanoscale engineering is driving innovation across multiple disciplines, from the development of advanced photocatalytic systems for sustainable energy conversion and environmental remediation to the design of novel functional nanocomposites. Several research articles in this Special Issue explore cutting-edge nanostructured materials for renewable energy and environmental sustainability, while others investigate graphene-biomolecules interactions, offering valuable insights into future applications in biosensing, molecular diagnostics and drug delivery. Innovative studies on electro-spun nanofibers incorporating natural products for eco-friendly pest control highlight the growing importance of green nanotechnology and sustainable agricultural practices. This Special Issue also features advances in polymer-based nanomaterials and emerging manufacturing technologies for biomedical materials and implant fabrication. These studies illustrate how chemistry, materials science, biology, physics and engineering come together creating new opportunities for scientific discovery and technological progress. The research articles in the Special Issue highlight the growing influence of nanotechnology in addressing critical societal needs from renewable energy through environmental protection to biomedical applications and smart materials. They demonstrate how nanoscale materials can unlock new functionalities with improved performance. The collective findings emphasize sustainability, efficiency and technological progress. These advances pave the way for a resilient and sustainable world. We hope that this Special Issue will inspire new research directions, foster interdisciplinary collaborations, and be a valuable resource for researchers, students, educators and industrial professionals. Finally, we thank the Editorial Team for the support throughout the publication processes of the Special Issue. We also extend our sincere thanks to the Editor-In-Chief, Prof. Muhammad S Khan FRSC for his thorough care in overseeing publication of the Issue. We would like to thank all the reviewers for their rigorous and critical evaluations of the submitted articles which ensured high scientific quality of the Issue. Prof. Anandan Sambandam Department of Chemistry, National Institute of Technology Tiruchirappalli, Tiruchirapalli 620015, Tamil Nadu, India Prof. Rengaraj Selvaraj Department of Chemistry, College of Science, Sultan Qaboos University, Muscat, Sultanate of Oman Dr. Nawal Al Rasbi Department of Chemistry, College of Science, Sultan Qaboos University, Muscat, Sultanate of Oman Guest Editors for the Chemistry Special Topic Issue 31(2) of SQU Journal for Science