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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Enzymatic degradation of β-1,4-linked N-acetylglucosaminoglucan prepared from Thiothrix nivea.
Minoru Takeda,Keiko Kondo,Shuhei Sanda,Daisuke Kan,Isabele Kazahaya Borges,Ichiro Suzuki,Masato Katahira +6 more
TL;DR: Thiothrix nivea, a filamentous sulfur-oxidizing bacterium commonly found in activated sludge, was found to be degraded by lysozyme via a mechanism similar to that of chitin degradation.
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Influence of chitosan modification on self-assembly behavior of Fe 3 O 4 nanoparticles
TL;DR: In this article, a natural polysaccharide chitosan was used to modify Fe3O4 nanoparticles to obtain self-assembled Fe3 o4 nanochains.
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New-chitosan characterization and its bioassay in different salinity solutions using Artemia salina as bio tester
Manuela Rossemary Apetroaei,Manuela Rossemary Apetroaei,Carla Pădureţu,Ileana Rau,Verginica Schroder +4 more
TL;DR: The obtained results showed that the high toxicity effects could be observed at low concentrations of chitosan, in law salinity solutions, which could be useful in a wide range of applications (antifouling, biomedical or sewage cleaning).
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Development of pH-Responsive Biopolymeric Nanocapsule for Antibacterial Essential Oils.
TL;DR: Findings of this study suggest that the suitable pH-responsive nanocapsule for release, low toxicity and antibacterial activity is based on chitosan-guar gum structure.
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Quadruple-action coatings provided by doping epoxy with inhibitor laden clay nanotubes functionalized with layer-by-layer of cross-bridged chitosan and anionic polyelectrolytes
Demian I. Njoku,Demian I. Njoku,Bowen Li,M. Saleem Khan,Uzoma Paul Chinonso,Chigoziri N. Njoku,Chigoziri N. Njoku,Ikenna B. Onyeachu,Ying Li +8 more
TL;DR: In this article, the quadruple-protective action including combined enhanced barrier, active feedback protection, self-repairing and anti-fouling properties of epoxy composite coatings reinforced with benzotriazole-laden clay nanotubes capped with ferric ion and wrapped with layer-by-layer assembly of chitosan/polyacrylic acid (CTS-PAA-CTS -PAA) and chitosaan/ polymethacric acid (CPTS-PMMA-CTPS) polyelectrolytes cross
References
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Journal ArticleDOI
Chitosan as Antimicrobial Agent: Applications and Mode of Action
TL;DR: The current review of 129 references describes the biological activity of several chitosan derivatives and the modes of action that have been postulated in the literature.
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Antimicrobial properties of chitosan and mode of action: A state of the art review
TL;DR: The paper reviews the current trend of investigation on antimicrobial activities of chitosan and its mode of action and different physical states are comparatively discussed.
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Chitin and Chitosan Preparation from Marine Sources. Structure, Properties and Applications
Islem Younes,Marguerite Rinaudo +1 more
TL;DR: Several selected pharmaceutical and biomedical applications are presented, in which chitin and chitosan are recognized as new biomaterials taking advantage of their biocompatibility and biodegradability.
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Preparation and antibacterial activity of chitosan nanoparticles.
TL;DR: Results show that chitosan nanoparticles and copper-loaded nanoparticles could inhibit the growth of various bacteria tested and exposed to S. choleraesuis led to the disruption of cell membranes and the leakage of cytoplasm.
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Antibacterial activity of chitosans and chitosan oligomers with different molecular weights.
TL;DR: Antibacterial activities of chitosan was inversely affected by pH (pH 4.5-5.9 range tested), with higher activity at lower pH value, and bactericidal effects with gram-positive bacteria than gram-negative bacteria in the presence of 0.1% chitOSan.