There is plenty of scope for modifying chitosan, an only polycationic natural polysaccharide,
owing to its reactive functional groups, namely hydroxyl and amino groups. Although …

Biopolymers have become very attractive as they are degradable, biocompatible, non-toxic
and renewable. Due to the intrinsic reactive amino groups, chitosan is vibrant in the midst of …

Chitosan is a linear polysaccharide and non-toxic bioactive polymer with a wide variety of
applications due to its functional properties such as ease of modification, and …

Exploitation of polymers as effective starting materials to produce various valuable catalysts
is attracting the attention of industrial and academic researchers. Moreover, among all …

In this study, the chitosan backbone was functionalized with 2, 2′, 4, 4′-
tetrahydroxybenzophenone by Schiff base, bonding the molecules into the repeating amine …

In the present research work, four new heterocyclic Schiff base ligands (1–4) were
synthesized by the condensation of 4-(4-amino-5-mercapto-4 H-1, 2, 4-triazol-3-yl) phenol …

Three heteroaryl pyrazole derivatives; namely 1-phenyl-3-(thiophene-2-yl)-1H-pyrazole-4-
carbaldehyde, 1-phenyl-3-(furan-2-yl)-1H-pyrazole-4-carbaldehyde and 1-phenyl-3 …

Chitosan is an abundant, biodegradable, and renewable green material with diverse
functionalities. It is a valuable substance used prolifically in numerous applications, such as …

In this paper, an electropositive adsorbent, salicylaldehyde-chitosan Schiff base (SCSB),
was prepared via chitosan modification. The results showed that SCSB exhibited …

Natural polysaccharides are critical to a wide range of fields (eg, medicine, food production,
and cosmetics) for their various remarkable physical properties and biological activities …