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Selenium of edible cinemas were also ameliorated by the addition of extracts; gas permeability toward oxygen can be delimited as advantageous, as can swelling degree, which decreased with higher densenessses of excerpts. The research accented the possibility to use plant foodstuffs by-products in the production of edible/biodegradable films, availing in the overall sustainability and eco-friendliness of food/package production.A voltammetric sensor based on a carbon black and chitosan-stabilized gold nanoparticle nanocomposite for ketoconazole determination.A modified glassy carbon electrode with carbon black (CB) and gold nanoparticles (AuNPs) within a crosslinked chitosan (CTS) film is proposed in this work. The electroanalytical performance of the changed CB-CTS-AuNPs/GCE has been appraised towards the voltammetric sensing of ketoconazole (KTO), a widespread antifungal drug. The nanocomposite was characterized by reading electron microscopy, X-ray diffraction spectroscopy, and electrochemistry experiments. The evaluation of the electrochemical behaviour of KTO on the suggested changed electrode points an irreversible oxidation process at a potential of +0 V (vs. Ag/AgCl (3 mol L(-1) KCl)). This redox process was explored to carry out KTO sensing employing square-wave voltammetry. The analytical curve was linear in the KTO concentration range from 0 to 2 μmol L(-1), with a limit of detection (LOD) of 4 nmol L(-1) and a sensitivity of 3 μA L μmol(-1). This modified electrode was successfully utilized to the determination of KTO in pharmaceutical formulations and biological fluid samplings.Development of Si doped nano hydroxyapatite reenforced bilayer chitosan nanocomposite barrier membranes for guided bone regeneration.drawed Bone Regeneration (GBR) is a widely used process for the treatment of periodontal blemishs to prevent the formation of walling soft tissue at the periodontal defect and to provide hard tissue regeneration. Recently GBR designings have concentred on the development of resorbable natural polymer-based barrier membranes due to their biodegradability and excellent biocompatibility. The aim of this study is to fabricate a novel bilayer nanocomposite membrane with microporous sublayer indited of chitosan and Si doped nanohydroxyapatite particles (Si-nHap) and chitosan/PEO nanofiber upper layer. Functional Foods was planed to prevent epithelial and fibroblastic cell migration and growth obstructing bone formation with its upper layer and to support osteogenic cell bioactivity at the defect site with its sublayer. Microporous and nanofiber stratums were constructed by applying freeze-drying and electrospinning techniques respectively. The effect of Si-nHap content on the morphological, mechanical and physical props of the composites were inquired practicing SEM, AFM, micro-Ct, compression test, water uptake capacity and enzymatic degradation study. Antimicrobial properties of nanocomposite membranes were enquired with tube dilution and disk diffusion methods. In vitro cytotoxicity of bilayer membranes was assessed. Saos-2 and NIH/3T3 proliferation studies were carried out on each layer. In vitro bioactivity of Saos-2 and NIH/3T3 cubicles were evaluated with ALP activity and hydroxyproline content respectively. events proved that Si-nHap incorporation raised the mechanical and physical attributes as well as sing biodegradability of the polymer matrix Si-nHap loading induced the bioactivity of Saos-2 cadres by raising cell attachment, circulating and biomineralization on the material surface terminations patronized that designed bilayer nanocomposite membranes can be used as a potential biomaterial for directed bone regeneration in periodontal coatings.Adsorptive Removal of Heavy Metal Ions, Organic Dyes, and Pharmaceuticals by DNA-Chitosan Hydrogels.DNA-chitosan (DNA-CS) hydrogel was developed by in situ complexation between oppositely charged DNA and chitosan polyelectrolytes via electrostatic cross-linking to study its adsorption characteristics. The DNA-chitosan hydrogel matrix stops (i) cationic (NH(3)(+)) and anionic (PO(4)(–)) sites for electrostatic binding with ionic mintages, (ii) -OH and -NH(2) groups and heteroaromatic DNA nucleobases for chelation of heavy metal ions, and (iii) DNA double-helix for recognition and binding to small organic specks of various structures and signs.