and Chitosan
Insecticidal activity of chitosans of different molecular weights and chitosan metal complexes against cotton leafworm Spodoptera littoralis and oleander aphid Aphis nerii
... 2006). Chitosan has been shown to have the best chelat- ing properties among natural polymers (Varma et ...the chitosan skeleton are responsible for the metal-complex formation where nitrogen is a donor of ...
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Immunogenicity Evaluation of Recombinant Staphylococcus aureus Enterotoxin B (rSEB) and rSEB-loaded Chitosan Nanoparticles Following Nasal Administration
... and chitosan NPs containing BoNT/E showed that the bare antigen was more efficient than antigen-loaded NPs in stimulating the mice immune ...onto chitosan NPs lead to an increase in its immunogenicity ...
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Synthesis and Characterization of Chitosan Polyvinyl Alcohol Blended with Cloisite 30B for Controlled Release of the Anticancer Drug Curcumin
... and chitosan-PVA/ C 30B ...in chitosan-PVA matrix and the fabri- cated membrane can be considered as homogenous and dense with no obvious phase ...the chitosan-PVA matrix are ...distribution, ...
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The influence of chitosan flocculant on the flocculation of microalgae chlorella sp
... that chitosan, chitosan nanoparticle and chitosan nanomagnetite flocculants used, the flocculation efficiency was close to the experiment ...density. Chitosan has a high charge density ...
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Fabrication of biocompatible and mechanically reinforced graphene oxide-chitosan nanocomposite films
... and chitosan films. Firstly, GO-chitosan films and chitosan films were sterilized with cyclohexane, fol- lowed by immersion in DMEM seeded with a concen- tration of 5×10 6 cells/mL at ...
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SYNTHESIS AND CHARACTERIZATION OF NOBLE ANTICANCER DRUG OF CHITOSAN 5FU CONJUGATED FORMULATION
... therapies. Chitosan is a polysaccharide β-linked D-glucosamine and N-acetyl-D-glucosamine were used as conjugate to ...with chitosan and formed chitosan – 5FU conjugate and used as Nobel anticancer ...
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Preparation of Chitosan Copper Complexes: Molecular Dynamic Studies of Chitosan and Chitosan Copper Complexes
... diffusion in the direction of the field. With decreasing frequency ε'(ω) increases, and a drastically increase takes place at very low frequency at high temperatures regions indicating that electrode polarization and ...
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Comparative Study of Antibacterial Activity of Vancomycin and Chemically Treated Chitosan Prepared from Shrimp (Macrobrachium Rosenbergii) Waste
... Abstract: Chitosan is derived from exoskeleton of crustaceans (such as crabs and shrimp) and cell walls of fungi has a number of commercial and possible biomedical uses is produced commercially by deacetylation of ...
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SYNTHESIS AND CHARACTERIZATION OF CHITOSAN (CS)/ CELLULOSE ACETATE (CA) /POLYVINYL ALCOHOL (PVA) TERNARY BLEND
... recycling of polymers and packaging. Polyvinyl alcohol (PVA) and its derivatives are hydrophilic and have reactive hydroxyl groups [11] and hence can be easily modified with other reactive functional groups to obtain ...
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A novel method for synthesizing PEGylated chitosan nanoparticles: strategy, preparation, and in vitro analysis
... Gylating chitosan are less intensive in terms of operation and ...of chitosan. But, a correct proportion of NaH, PEG, and chitosan can optimize the reaction ...between chitosan and ...on ...
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<p>Microemulsions vs chitosan derivative-coated microemulsions for dermal delivery of 8-methoxypsoralen</p>
... to penetrate the stratum corneum, but less able to permeate the skin, and showed the highest retention:permeation ratio. In our following ex vivo skin-permeation study comparing the ME (formulation A) and ...
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Preparation of chitosan gel
... and chitosan are renewable sources which one can find in abundance in ...However, chitosan is used in many applications ...[28]. Chitosan also promotes wound healing [29] and has antibacterial action ...
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Modification of Chitosan-Chitosan Phtalate Anhydrides Matrices
... and chitosan are natural biopolymers on shrimp shells. Chitosan is used extensively as a raw material in various ...and chitosan from fanami shrimp skin through deproteinization, demineralization, ...
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Nanostructures Obtaining on the Basis of Bombyx Mori Chitosan Hydroxyapatite
... [17] Starikov V.V., Rudchenko S.O. Optimization of the properties of a composite based on hydroxyapatite and chitosan by varying its composition and heat treatment regimes. Bulletin of Kazan National University, ...
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Antibacterial Finishing of Tencel/ Cotton Nonwoven Fabric Using Ag Nanoparticles-Chitosan Composite
... Silver has a long history as an antimicrobial agent, especially in the treatment of wounds. Silver nanoparticles (AgNPs) show strong inhibitory and antibacterial effects and limited toxicity to mammalian cells [17, 18]. ...
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<p>Chitosan And N, N, N-Trimethyl Chitosan Nanoparticle Encapsulation Of <em>Ocimum Gratissimum</em> Essential Oil: Optimised Synthesis, In Vitro Release And Bioactivity</p>
... that chitosan nanoparticles penetrate the cancerous cells membrane, leading to DNA damage and defects in the genes of the ...of chitosan and its derivative is the result of the nanoparticles interfering ...
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Adsorption and Antibacterial Activity of Soluble and Precipitated Chitosan on Cellulose Viscose Fibers
... of chitosan- precipitates onto fibers is more efficient than the adsorption of fibers by chitosan acidic ...by chitosan precipitates was ...by chitosan solution only ...
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Effects of chitosan and water-soluble chitosan micro- and nanoparticles in obese rats fed a high-fat diet
... Purpose: This study determined the effects of chitosan (CTS) and water-soluble chitosan (WSC) microparticles (MPs) and nanoparticles (NPs) in rats with high-fat diet-induced obesity. Methods: The rats were ...
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Flow Cytometry Detection of Bacterial Cell Entrapment within the Chitosan Hydrogel and Antibacterial Property of Extracted Chitosan
... Encapsulation can inhibit cell surface antigens interact with components of the host immune system. In this method, diffusion of nutrients and metabolites from membrane easily possible (7). This study aims to the ...
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Synthesis of Novel N-Acyl Thiolated Chitosan Derivatives and their Assessment for Toxicity and Antimicrobial Activity in Vitro
... A solution of chitosan in 2%AcOH/MeOH (50 ml) was added slowly to the above solution so as to maintain reflux condition. After the addition was complete, the mixture was stirred for 90 min at room temperature, ...
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