Journal ArticleDOI
Synthesis and fungicidal activity of new N,O-acyl chitosan derivatives.
Mohamed E. I. Badawy,Entsar I. Rabea,Tina Rogge,Christian V. Stevens,Guy Smagghe,Walter Steurbaut,Monica Höfte +6 more
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TLDR
Novel N,O-acyl chitosan (NOAC) derivatives were synthesized to examine their fungicidal activity against the gray mould fungus Botrytis cinerea and the rice leaf blast fungus Pyricularia oryzae and were more active against the two plant pathogens than chitOSan itself.About:
This article is published in Biomacromolecules.The article was published on 2004-01-20. It has received 154 citations till now. The article focuses on the topics: Chitosan & Botrytis cinerea.read more
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Chitin and Chitosan: Functional Biopolymers from Marine Crustaceans
TL;DR: This review deals with the fundamental aspects of chitin and chitosan such as the preparation of chItosan, crystallography, extent of N-acetylation, and some properties, and recent progress of their chemistry is discussed.
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Recent developments in antibacterial and antifungal chitosan and its derivatives.
TL;DR: The most important parameters (molecular weight, degree of deacetylation, etc.) are discussed along with a status update on the mode of action of chitosan.
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Impact of chitosan composites and chitosan nanoparticle composites on various drug delivery systems: A review.
M. Abd Elgadir,Md. Salim Uddin,Sahena Ferdosh,Aishah Adam,Ahmed Jalal Khan Chowdhury,Md. Zaidul Islam Sarker +5 more
TL;DR: The physicochemical and drug delivery properties of chitosan are summarized, selected studies on utilization of ch itosan and chitOSan-based nanoparticle composites in various drug delivery systems are selected, andselected studies on the application of chITosan films in both drug delivery and wound healing are selected.
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Marine Derived Polysaccharides for Biomedical Applications: Chemical Modification Approaches
TL;DR: The results of the recent work concerning various different approaches and applications of polysaccharide-based biomaterials are reported, such as the realization of novel composites based on calcium sulphate blended with alginate and with a chemically modified chitosan, the synthesis of novelAlginate-poly(ethylene glycol) copolymers and the development of a family of materials based on alginates and acrylic polymers of potential interest as drug delivery systems.
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A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection
TL;DR: In this paper, the authors present an overview of the antimicrobial effects, mechanisms, and applications of a biopolymer chitosan and its derivatives in crop protection, and take a closer look at the physiochemical properties and chemical modifications of chitosa molecule.
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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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Antibacterial action of chitosan and carboxymethylated chitosan
TL;DR: In this paper, Fourier transform infrared spectroscopy (FTIR) was used to characterize chitosan oligomers and their antibacterial activity against E. coli were explored by the optical density method.
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Synthesis and antibacterial activities of quaternary ammonium salt of chitosan.
TL;DR: It was found that the antibacterial activity of quaternized chitosan against E. coli is stronger than that of chitOSan and their antibacterial activities is increased as the concentration of acetic acid is increased.
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Pharmaceutical applications of chitosan
TL;DR: The authors outline the major new approaches to the pharmaceutical applications of chitosan and discuss its mechanisms of action in various in vitro and in vivo models.