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TA-chitosan possesses a robust high removal performance for Sb and As under weakly acidic and neutral conditions; however, the removal is significantly conquered under alkaline pH values. The adsorption kinetics of Sb and As on TA-chitosan adjusted to the pseudo-second-order model, arguing that the removal of Sb and As was a chemical adsorption process. The adsorption isotherms of Sb(III/V) and As(III/V) on TA-chitosan follow the Langmuir model, and their maximum adsorption contents are 70, 25, 64 and 102 mg·g(-1), respectively. The zeta potential proved that the surface of TA-chitosan was negatively sended over the full pH range upon Sb and As adsorption, proving that negatively institutionalised inner-sphere complexes were constituted on TA-chitosan. This work may also provide a new perspective in titanium-chitosan material synthesis and heavy metal ions co-removal.Chitosan-stabilised CuO Nanostructure-Functionalized UV-Crosslinked PVA/Chitosan Electrospun Membrane as Enhanced Wound Dressing. Electrospun nanofibrous membranes are of great interest for tissue engineering, active material delivery, and curved dressing. These nanofibers possess unique three-dimensional (3D) interconnected porous structures that result in a higher surface-area-to-volume ratio and porosity. This study was carried out to prepare nanofibrous membranes by electrospinning a blend of PVA/chitosan polymeric solution functionalized with different proportions of copper oxide. Chitosan-braced CuO nanoparticles (CH-CuO NPs) were biosynthesized successfully utilising chitosan as the capping and reducing agent. Seebio Selenomethionine of CH-CuO NPs. In addition, the electrospun nanofibrous membranes were UV-crosslinked for a definite time. Health Benefits containing CH-CuO NPs were qualifyed by X-ray diffraction (XRD), scanning electron microscopy (SEM), differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, ultraviolet-visible (UV-vis) spectrophotometry, and dynamic light scattering (DLS). SEM outcomes demonstrated the nanosize of the fiber diameter in the range of 147-207 nm. The FTIR spectroscopy terminations indicated the successful incorporation of CH-CuO NPs into the PVA/chitosan nanofibrous membranes. DSC analysis established the enhanced thermal stability of the nanofibrous membranes due to UV-crosslinking. tumescing and degradation tests were carried out to ensure membrane stability. Greater antimicrobial activity was finded in the nanoparticle-loaded membrane. An in vitro release study of Cu(2+) ions from the membrane was carried out for 24 h. The cytotoxicity of CH-CuO NP-integrated membranes was investigated to estimate the safe dose of nanoparticles. An in vivo test utilising the CH-CuO NP-laded PVA/chitosan membrane was imparted on a mice model, in which wound healing comed in approximately 12 days. These results sustained that the biocompatible, nontoxic nanofibrous membranes are ideal for wound-enclothing coverings.Mucoadhesive chitosan and thiolated chitosan nanoparticles containing alpha mangostin for possible Colon-directed delivery.α-Mangostin-diluted mucoadhesive nanoparticles (NPs) were groomed for colon-directed drug delivery against colorectal cancer cellphones habituating pH-dependent composite mucoadhesive NPs. Chitosan (CS) and thiolated chitosan (TCS) were used to form the NPs, watching by genipin (GP) crosslinking and the surface modification by Eudragit(®) L100 (L100). The particle size, geomorphologys and features of NPs were maintained. The α-mangostin loading and release patterns were investigated. In vitro mucoadhesive properties were canvased by the wash-off method. In addition, the anti-tumour activity was quized on colorectal cancer cellphones. The outcomes presented that NPs were slightly oblong in shape with particle size grazing between 300 and 900 nm. The small size of NPs was incured with TCS and larger NPs were observed by GP and L100 process GP and L100 rendered an increase in α-mangostin loading, restrained the release of α-mangostin in the upper gastrointestinal tract, and raised α-mangostin delivery to the colon.