Journal ArticleDOI
Recent developments in antibacterial and antifungal chitosan and its derivatives.
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TLDR
The most important parameters (molecular weight, degree of deacetylation, etc.) are discussed along with a status update on the mode of action of chitosan.About:
This article is published in Carbohydrate Polymers.The article was published on 2017-05-15. It has received 549 citations till now. The article focuses on the topics: Chitosan.read more
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Chitosan as a bioactive polymer: Processing, properties and applications.
TL;DR: The most common chitosan processing methods are summarized and some applications of chitOSan in various industrial and biomedical fields are highlighted, including antibacterial activity, non-toxicity, ease of modification, and biodegradability.
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Antimicrobial Chitosan and Chitosan Derivatives: A Review of the Structure-Activity Relationship.
Priyanka Sahariah,Már Másson +1 more
TL;DR: The antimicrobial chitosan derivatives have been classified on the basis of the type of functional group conjugated to the polymer backbone and the influence of the degree of substitution on the biological properties has been examined.
Journal ArticleDOI
Emerging Chitosan-Based Films for Food Packaging Applications
TL;DR: This article comprehensively reviews recent advances in the preparation and application of engineered chitosan-based films in food packaging fields and focuses on antibacterial food packaging films.
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Carboxymethyl chitosan: Properties and biomedical applications.
TL;DR: The most recent applications of CMC derivatives with antimicrobial, anticancer, antitumor, antioxidant and antifungal biological activities in various areas like wound healing, tissue engineering, drug/enzyme delivery, bioimaging and cosmetics are highlighted.
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Chitosan based nanocomposite films and coatings: Emerging antimicrobial food packaging alternatives
TL;DR: In this article, demand for healthy and safe food with minimal use of synthetic inputs (including synthetic preservatives) is increasing rapidly, and the need for healthy food has been increasing rapidly.
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Chemical modification of chitosan: synthesis and biological activity of new heterocyclic chitosan derivatives
TL;DR: In this paper, five new N-heterocyclic chitosan derivatives were synthesized by a reductive alkylation reaction to improve the biological activity of chitosa against the most important economic plant pests including fungi and insects, in particular the cotton leafworm Spodoptera littoralis.
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Enhancement of fungicidal and insecticidal activity by reductive alkylation of chitosan
Entsar I. Rabea,Mohamed E. I. Badawy,Tina Rogge,Christian V. Stevens,Walter Steurbaut,Monica Höfte,Guy Smagghe +6 more
TL;DR: Bioassays against larvae of the cotton leafworm, Spodoptera littoralis, with the NAC derivatives at a rate of 5.0 g kg(-1) in artificial diet demonstrated that N-(3-phenylbutyl)chitosan was the most active compound.
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Pyridine-grafted chitosan derivative as an antifungal agent.
TL;DR: Pyridine moieties introduced into chitosan by nucleophilic substitution to afford N-(1-carboxybutyl-4-pyridinium) chitOSan chloride were well characterized, and its antifungal activity was examined, based on the inhibition of mycelial growth and spore germination.
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Preparation of low- and medium-molecular weight chitosan nanoparticles and their antimicrobial evaluation against a panel of microorganisms, including cheese-derived cultures
TL;DR: Nanoparticles suspended in an acidic-based medium show promise as antimicrobial agents, particularly for use with cheese products, with no difference in activity observed between molecular weights.
Journal Article
Effect of deacetylation conditions on antimicrobial activity of chitosans prepared from carapace of black tiger shrimp (Penaeus monodon)
TL;DR: Chitosan was prepared from black tiger shrimp carapace by deacetylation process performed in 50% NaOH at 100 o C under vacuum, nitrogen and regular atmospheres as discussed by the authors.