Techniques for accurate sizing of nanoparticles

Nanotechnology is having vast applications. Nanoparticles have shown promising results in drug delivery. There are various techniques to prepare nanoparticles. After the preparation, the measurement of size of nanoparticle is very important. The chapter focusses on different techniques which are used for accurate measuring of various nanoparticles along with nanoparticles properties like surface charge and particle size. The chapter describes various techniques like transmission electron microscopy, dynamic light scattering, atomic force microscopy, tunable resistive pulse sensing, etc. along with the principles involved, advantages, and limitations. It also briefly describes about the challenges in nanoparticles characterization.