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In order to best nutrient use efficiency, as required by the increasing food demand for the future global population, in this work an innovative hybrid nanocomposite was designed as an alternative nanoscale fertilizer. An environmentally friendly chemical preparation based on polyelectrolyte complexation was used. A chitosan and sodium alginate complex was selected as a biodegradable shell to release the nanoscale nutrient, CuO nanoparticles. By optimizing the synthesis conditions, i.e. pH and polymer/cross-linker ratio, good stability and accurate size control of the resulting nanocomposites were achieved. The morphology features were evaluated using scanning and transmission electron microscopy, and chemical characterization was performed using X-ray diffraction, thermogravimetric analysis, Fourier-transform infrared spectroscopy, dynamic light scattering and inductively coupled plasma optical emission …
Royal Society of Chemistry
Publication date: 
1 Jan 2021

Marco Leonardi, Giuseppe M Caruso, Sabrina C Carroccio, Simona Boninelli, Giusy Curcuruto, Massimo Zimbone, Maria Allegra, Biagio Torrisi, Filippo Ferlito, Maria Miritello

Biblio References: 
Volume: 8 Issue: 1 Pages: 174-187
Environmental Science: Nano