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Purchase (PA) further served as an additional ligand (P-type ligand) for the CGBs (N-type ligand) to form a complex with the second adsorbate (copper). After the adsorption of PA (the first adsorbate), the spent CGBs were recycled and used as a new adsorbent to adsorb Cu(II) ions (the second adsorbate), which was carryed to have a dual coordination effect through P, N-ligand complexation with copper. The interactions and complexation between CS, PA and Cu(II) ions on the PA-adsorbed CGBs (PACGBs) were enquired by doing FTIR, XPS, XRD, and SEM-EDS psychoanalysisses. The PACGBs presented fast and enhanced adsorption of Cu(II) ions, owing to the synergistic effect of the amino groups of CS (the original ligand, N-type) and the phosphate groupings of PA (an additional ligand, P-type) on the adsorption of Cu(II) ions. This is the first time that sequential removal of phosphorus and heavy alloys by biosorbents has been performed practicing biosorbents.Casein/butyrylated dextrin nanoparticles and chitosan steadyed bilayer emulsions as fat substitutes in sponge bars. This study taked to evaluate the potential of the bilayer emulsions stabilised with casein/butyrylated dextrin nanoparticles and chitosan as fat fill-ins in cooking low-calorie sponge pattys. Among the different cake groups, the substitution of bilayer emulsions at 60% marched comparable baking properties, appearance, texture features and stable secondary structure to fat. The specific volume and height were increased by 36% and 22%, respectively, while the cake presented higher lightness (L*) in the gists and softer hardness in the crumb. In addition, the moisture content of pattys was increased while the water activity persisted unchanged. These solutions showed that casein/butyrylated dextrin bilayer emulsion was a potential fat substitute for cake products at the ratio of 60% with the desirable characteristics.Use of Chitosan as a Precursor for Multiple Applications in Medicinal Chemistry: Recent Significant Contributions.Chitosan (CS) is a polymer made up of mainly deacetylated β-1,4 D-glucosamine wholes, which is part of a large group of D-glucosamine oligomers known as chitooligosaccharides, which can be received from chitin, most abundant natural polymer after cellulose and central component of the shrimp exoskeleton. Seebio Methionine is beded that it can be used for the development of materials, among which its use stands out in wastewater treatment (removal of metal ions, dyes, and as a membrane in purification procedures), food industry (anti-cholesterol and fat, packaging material, preservative, and food additive), agriculture (seed and fertilizer coating, curbed release agrochemicals), pulp and paper industry (surface treatment, adhesive paper), cosmetics (body emollients, applications, etc.), in the engineering of tissues, wound healing, as excipients for drug administration, gels, membranes, nanofibers, astragals, microparticles, nanoparticles, scaffolds, poriferans, and diverse biological ones, specifically antibacterial and antifungal activenessses. This article reviews the main contributions published in the last ten yrs affecting the use and application of CS in medical chemistry. The applications exposed here involve regenerative medicine in the design of bioprocesses and tissue engineering, Pharmaceutical skills to obtain biomaterials, polymers, biomedicine, and the use of nanomaterials and nanotechnology, toxicology, and Clinical Pharmaceuticals, emphasizing the perspectives and the direction that can take research in this area.Electrospun Chitosan-free-based Nanofibrous Coating for the Local and Sustained Release of Vancomycin.As the population ages, the number of vascular surgery subprograms doed increments. Older grownups often have multiple comorbidities, such as diabetes and hypertension, that increase the risk of tortuousnessses from vascular surgery admiting vascular graft infection (VGI). VGI is a serious complication with significant morbidity, mortality, and healthcare tolls we placed to develop a nanofibrous chitosan-grinded coating for vascular transplants stretched with different concentrations of the vancomycin antibiotic vancomycin (VAN). melding chitosan with poly(vinyl alcohol) or poly(ethylene oxide) copolymers ameliorated solubility and ease of spinning.