An upgraded and universal strategy to reinforce chitosan/polyvinylpyrrolidone film by incorporating active silica nanorods derived from natural palygorskite

Structural Evolution of Palygorskite as the Nanocarrier of Silver Nanoparticles for Improving Antibacterial Activity

“…The OA gradient leaching process of RPal has been reported in detail in our previous work, and analogously, in this work, by controlling the reaction time (1, 2, 8, 24, 48, and 120 h), we prepared six groups of samples labeled as OPal-1h, OPal-2h, OPal-8h, OPal-24h, OPal-48h, and OPal-120h, which we may call OPal collectively in the following. The metal salt pyrolysis method was selected to synthesize RPal/AgNPs and OPal/AgNPs antibacterial nanocomposites.…”

“…The advantage of using OA is that the soluble complex formed during the OA leaching process can be easily decomposed under microbial and photochemical action, which is more environmentally friendly than the waste solution formed during the inorganic acid leaching process, and more importantly, the unique nanorods of Pal were maintained during this process. On this basis, the reinforcing performance of OA gradient-leached RPal (OPal) has been evaluated. , However, it has not been reported whether the carrier property of RPal is affected by the OA gradient leaching process up to now.…”

“…On this basis, the reinforcing performance of OA gradient-leached RPal (OPal) has been evaluated. 23,24 However, it has not been reported whether the carrier property of RPal is affected by the OA gradient leaching process up to now.…”

Fast and Highly Efficient Adsorption Removal of Toxic Pb(II) by a Reusable Porous Semi-IPN Hydrogel Based on Alginate and Poly(Vinyl Alcohol)

“…In addition to the environmental friendliness of SA, the carboxyl groups on its molecular chain can serve as an active site for adsorbing metal ions, and the reactive -OH group on its molecular chain can also be easily modified by grafting reaction to obtain hydrogel materials with more functional groups ( Wang and Wang, 2010 ). Due to the superior performance and eco-friendly advantages of SA, it has been widely used to prepare various polymer packing films ( Saravanakumar et al, 2020 ; Zhang et al, 2020 ), drug-delivery vehicles ( Mishra et al, 2021 ), antibacterial materials ( Dwivedi et al, 2020 ), carrier of catalyst ( Khan et al, 2020 ), superabsorbent hydrogel ( Kassem et al, 2020 ), coatings ( Fang et al, 2021 ) and adsorbent ( Wang et al, 2013a ; Gao et al, 2020 ). These materials derived from SA not only show excellent performance, but also exhibit unique eco-friendly advantages.…”

Synergistic Effect of Glycyrrhizic Acid and ZnO/Palygorskite on Improving Chitosan-Based Films and Their Potential Application in Wound Healing

“…A variety of fillers have been incorporated into the CS matrix to improve the overall performance of the films [17], and clay minerals can be the gifted filler due to their environmental friendliness, abundant reserves and other advantages [18]. Different from lamellar clay minerals (i.e., montmorillonite, kaolinite, illite), palygorskite (PAL) has a unique sandwich-shaped structural unit, and eventually forms a special rod-like crystal structure and also zeolite-like channels and surface active silanol groups, which endow PAL with excellent supporting properties (rods), carrier properties (channels) and reactivity (silanol groups) [19,20].…”