Journal ArticleDOI
Chitooligosaccharides--preparation with the aid of pectinase isozyme from Aspergillus niger and their antibacterial activity.
Farooqahamed S. Kittur,Acharya B. Vishu Kumar,Mandyam C. Varadaraj,Rudrapatnam N. Tharanathan +3 more
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TLDR
The COs-monomeric mixture showed a bactericidal effect towards Bacillus cereus and Escherichia coli more efficiently than native chitosan and among the chitooligomers, the hexamer showed maximum antibacterial effect followed by the penta-, tetra-, tri- and dimers.About:
This article is published in Carbohydrate Research.The article was published on 2005-05-02. It has received 92 citations till now. The article focuses on the topics: Polygalacturonase activity & Aspergillus niger.read more
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Chitosan—A versatile semi-synthetic polymer in biomedical applications
TL;DR: The chemical structure and relevant biological properties of chitosan for regenerative medicine have been summarized as well as the methods for the preparation of controlled drug release devices and their applications.
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Biodegradation, biodistribution and toxicity of chitosan.
Thomas J. Kean,Maya Thanou +1 more
TL;DR: Research in this area is reviewed and chitosan's potential to be used as a generally regarded as safe (GRAS) material is critically discussed.
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Application of Spectroscopic Methods for Structural Analysis of Chitin and Chitosan
Jolanta Kumirska,Małgorzata Czerwicka,Zbigniew Kaczyński,Anna Bychowska,Krzysztof Brzozowski,Jorg Thöming,Piotr Stepnowski +6 more
TL;DR: A complete chemical and physicochemical characterization of chitin, chitosan and their derivatives is not possible without using spectroscopic techniques, so this review focuses on the application of Spectroscopic methods for the structural analysis of these compounds.
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Chitosan based hydrogels and their applications for drug delivery in wound dressings: A review
TL;DR: Applications and structural characteristics of different types of active ingredients, such as growth factors, nanoparticles, nanostructures, and drug loaded chitosan hydrogels are summarized.
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Chitosan Modification and Pharmaceutical/Biomedical Applications
TL;DR: This review summarizes chitosan modification and its pharmaceutical/biomedical applications based on achievements as well as the domestic and overseas developments.
References
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Journal ArticleDOI
Study on antimicrobial activity of chitosan with different molecular weights
Lian-Ying Zheng,Jiang-Feng Zhu +1 more
TL;DR: In this paper, the antimicrobial activity of chitosan of different molecular weights (MW) was investigated, and the effect of the concentration and MW on E. coli and Staphylococcus aureus was investigated.
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Chitin--the undisputed biomolecule of great potential
TL;DR: This most versatile amino polysaccharide, chitin, is surely an undisputed biomolecule of great potential and an unlimited R&D efforts are needed to find new applications, which are necessary to realize its full potential.
Journal ArticleDOI
A Simple Activity Measurement of Lysozyme
Taiji Imoto,Kazuyoshi Yagishita +1 more
TL;DR: A simple activity measurement of Lysozyme is described in this article, where the authors present a simple activity measurement of the enzyme and show that it is a simple molecule to measure.
Journal ArticleDOI
Antimicrobial effect of chitooligosaccharides produced by bioreactor
TL;DR: In this paper, the antibacterial effect of three kinds of chitooligosaccharides with relatively higher molecular weights (HMWCOS), medium molecular weight (MMWCOS), and lower molecular weight, respectively, was evaluated against various microorganisms.
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The hydrolysis of chitin by concentrated hydrochloric acid, and the preparation of low-molecular-weight substrates for lysozyme.
TL;DR: Experiments studying the lysozyme-catalyzed hydrolysis of these oligosaccharides showed a large effect of chain length upon the rate of Hydrolysis, and no effect of ionic strength.
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Enzymatic production and biological activities of chitosan oligosaccharides (COS): A review
Se-Kwon Kim,Niranjan Rajapakse +1 more