Chitosan is one of the natural biopolymer. Despite its importance, the characterization and extraction processes of this essential biopolymer are yet enigmatic. In this study, we developed an analytical procedure for the extraction of chitin and chitosan from the aquatic beetles’ shells (Hydraenidae family). The commercial chitosan and isolated chitosan, obtained during our experiment were […]
Air pollution in China is a recurring issue and requires continuous attention and rigorous action. This research aims to study the standard air pollutants and air quality index in the Jiangsu province of China. The present study will complement the existing understanding on the distribution of criteria air pollutants in different cities of Jiangsu province […]
