Journal ArticleDOI
A review of chitin and chitosan applications
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Chitin is the most abundant natural amino polysaccharide and is estimated to be produced annually almost as much as cellulose, and recent progress in chitin chemistry is quite noteworthy as mentioned in this paper.Abstract:
Chitin is the most abundant natural amino polysaccharide and is estimated to be produced annually almost as much as cellulose. It has become of great interest not only as an underutilized resource, but also as a new functional material of high potential in various fields, and recent progress in chitin chemistry is quite noteworthy. The purpose of this review is to take a closer look at chitin and chitosan applications. Based on current research and existing products, some new and futuristic approaches in this fascinating area are thoroughly discussed.read more
Citations
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Journal ArticleDOI
Non-conventional low-cost adsorbents for dye removal: A review
TL;DR: It is evident from a literature survey of about 210 recent papers that low-cost sorbents have demonstrated outstanding removal capabilities for certain dyes, and chitosan might be a promising adsorbent for environmental and purification purposes.
Journal ArticleDOI
Application of low-cost adsorbents for dye removal – A review
V K Gupta,Suhas +1 more
TL;DR: From a comprehensive literature review, it was found that some LCAs, in addition to having wide availability, have fast kinetics and appreciable adsorption capacities too.
Journal ArticleDOI
Chitosan chemistry and pharmaceutical perspectives.
TL;DR: Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Sector 67, S. S. Nagar, Punjab-160 062, India, Institute of Biochemistry, Faculty of Medicine, Polytechnic University, Via Ranieri 67, IT-60100 Ancona, Italy, and Department of Medicinal Chemistry & Natural Products,The Hebrew University of Jerusalem, School of Pharmacy-Faculty of medicine, Jerusalem 91120, Israel.
Journal ArticleDOI
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.
Journal ArticleDOI
Chitin and chitosan polymers: Chemistry, solubility and fiber formation
TL;DR: In this paper, a review discusses the various attempts reported on solving this problem from the point of view of the chemistry and the structure of these polymers highlighting the drawbacks and advantages of each method and proposes that based on considerations of structure-property relations, it is possible to obtain chitin fibers with improved strength by making use of their nanostructures and/or mesophase properties of chitins.
References
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Journal ArticleDOI
Mixed esters of chitin
Dang Van Luyen,Volker Rossbach +1 more
TL;DR: In this paper, mixed chitin esters, varying both in the overall degree of substitution (1.5-1.9) and the molar ratios of butyryl-to-acetyl residues (1: 0.62 to 1:0.72), were characterized by IR spectroscopy, DSC, elemental analysis, and 1H-NMR Spectroscopy (in trifluoromethanesulfonic acid).
Book ChapterDOI
Development of absorbable sutures from chitin1
TL;DR: In this article, an amide-LiCl solvent was used to spin chitin absorbable surgical sutures, which had a tensile strength of about 50 kg/mm 2.
Journal ArticleDOI
Regioselective chlorination of chitin with N- chlorosuccinimide-triphenylphosphine under homogeneous conditions in lithium chloride-N,N-dimethylacetamide
TL;DR: In this article, purified chitin was chlorinated with an equimolar mixture of N -chlorosuccinimide and triphenylphosphine under homogeneous conditions in a 5% (w/v) solution of LiCl in N, N -dimethylacetamide at 70-55°C.
Journal ArticleDOI
STRUCTURAL CHANGES AND RELEASE CHARACTERISTICS OF CROSSLINKED CHITOSAN BEADS IN RESPONSE TO SOLUTION pH
K. Gupta,M. N. V. Ravi Kumar +1 more
TL;DR: In this article, a method for preparing beads based on crosslinked chitosan with glutaraldehyde interpenetrating glycine polymer network was described, and their release characteristics were studied using thyamine hydrochloride (Thy-HCl) as a model drug.