Sandesh Bole

By Vishal Pande, Sachin Kothawade, Sharmila Kuskar, Sandesh Bole and Dinesh Chakole

Mesoporous Silica Nanoparticles (MSNs) are nano-sized particles with a porous structure that offers unique advantages for drug delivery systems. The chapter begins with an introduction to MSNs, providing a definition of these nanoparticles along with a brief historical overview. The distinctive properties of MSNs, such as high surface area, tunable pore size, and excellent biocompatibility, are discussed, highlighting their potential in drug delivery applications. The synthesis methods for MSNs are presented, including template-assisted synthesis, sol-gel method, co-condensation method, and other approaches. The chapter also covers the characterization techniques used for evaluating MSNs, including morphological, structural, and chemical characterization, which are crucial for assessing their quality and functionality. The surface modification of MSNs is explored, focusing on the functionalization of surface groups, attachment of targeting ligands, and surface charge modification to enhance their interactions with specific cells or tissues. The chapter then delves into the diverse applications of MSNs, with a particular focus on drug delivery. The use of MSNs in cancer theranostics, drug delivery, imaging, biosensing, and catalysis is discussed, emphasizing their potential to revolutionize these areas. Furthermore, the toxicity and biocompatibility of MSNs are addressed, covering both in vitro and in vivo studies that evaluate their safety and efficacy.

Part of the book: Nanofabrication Techniques

By Sachin Kothawade, Vishal Pande, Vaibhav Wagh, Kalyani Autade, Sandesh Bole, Rajashri Sumbe and Shubhangi Albhar

This chapter presents an overview of the perspective chapter on pharmaceutical drying within the context of drug manufacturing. It explores the significance of pharmaceutical drying in ensuring the stability and efficacy of drug products. The chapter begins by defining pharmaceutical drying and emphasizing its importance in the manufacturing process. Various methods of pharmaceutical drying, including air drying, vacuum drying, freeze-drying, and spray drying, are discussed, and a comparison between these methods is provided. Factors that influence pharmaceutical drying, such as physical and chemical properties of the product, drying temperature, drying time, pressure, humidity, and solvent properties, are examined. The chapter also highlights the challenges associated with pharmaceutical drying, including product stability and degradation, loss of potency, residual solvents, and the formation of amorphous or crystalline solids. Strategies to overcome these challenges, such as process optimization, the use of drying aids, control of drying parameters, and formulation considerations, are explored. Quality control measures in pharmaceutical drying, including the monitoring of residual moisture and solvent levels, characterization of dried products, and adherence to regulatory guidelines, are discussed.

Part of the book: Drying Science and Technology