Abstract
The present work investigated the possibility of preparing nanoparticles based on methacryloylglycylglycine (MAGG) and chitosan (CS) by in situ polymerization. The study revealed that nanoparticle formation was strictly dependent on ionic interactions between NH3 + groups from CS and COO− groups arising from the anionic monomer MAGG. The subsequent in situ polymerizations of MAGG in the presence of CS led to the formation of nanoparticles with homogeneous morphology, a uniform particle size distribution, and a good spherical shape as confirmed by laser diffraction granulometry and scanning electron microscopy analyses. Nanoparticle formulations with different amounts of CS and MAGG were prepared, and their chemical compositions were investigated by X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. The obtained results showed that the polymerization of MAGG in the presence of CS appears to be a very promising approach in the preparation of nanoparticles for drug delivery applications.
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