Results 171 to 180 of about 71,098 (199)

Chitosan nanoparticles suspension can minimize enamel loss after in vitro erosive challenge. [PDF]

J Appl Oral Sci
França RCS, Dias RTA, Reis RM, Sousa FB, Carlo HL, Santos RLD, Carvalho FG.   +6 more
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Ultrasonication of chitosan and chitosan nanoparticles

International Journal of Pharmaceutics, 2003
The objective of this study was to evaluate the effects of ultrasonication on chitosan molecules and nanoparticles. Molecular weight (M(v)) of chitosan HCl (M(v) 146 kDa and degree of deacetylation (DD) 96%) decreased linearly with increasing duration and amplitude of ultrasonication. DD and FTIR absorption were unaffected.
Tang, E.S.K., Huang, M., Lim, L.Y.
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Chitosan as an adhesive

European Polymer Journal, 2014
Chitosan is a well-known polysaccharide abundantly published during the last decades. This heteropolymer, composed of 2-acetamido-2-deoxy-d-glucopyranose and 2-amino-2-deoxy-d-glucopyranose, is obtained after alkaline deacetylation of chitin from crustaceans, fungi and other non-vegetable organisms.
Hélène de Baynast, Narimane Mati-Baouche, Pierre-Henri Elchinger, Pierre-Henri Elchinger, Guillaume Pierre, Philippe Michaud, Cédric Delattre   +6 more
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Sintering of Chitosan and Chitosan Composites

Volume 3: Design, Materials and Manufacturing, Parts A, B, and C, 2012
Chitosan is a naturally-occurring polymer that is derived through the deacetylation of chitin. Chitin, found in the exoskeletons of invertebrates, is ubiquitous in nature and easily collected as waste and repurposed for a multitude of industrial and biomedical applications.
Francisco C. Robles Hernandez, John F. Eberth, Cynthia Brysch, Eric A. Wold   +3 more
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Antimicrobial activity of hydroxylbenzenesulfonailides derivatives of chitosan, chitosan sulfates and carboxymethyl chitosan

International Journal of Biological Macromolecules, 2009
Chitosan, carboxymethyl chitosan (CMCS) and chitosan sulfates (CSS) with different molecular weight were modified by reacting with 4-hydroxyl-5-chloride-1,3-benzene-disulfo-chloride or 2-hydroxyl-5-chloride-1,3-benzene-disulfo-chloride to give 12 kinds of new hydroxylbenzenesulfonailides derivatives of them.
Zhimei Zhong, Ronge Xing, Song Liu, Pengcheng Li   +3 more
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Biofabrication with Chitosan

Biomacromolecules, 2005
The traditional motivation for integrating biological components into microfabricated devices has been to create biosensors that meld the molecular recognition capabilities of biology with the signal processing capabilities of electronic devices. However, a different motivation is emerging; biological components are being explored to radically change ...
Gregory F. Payne, William E. Bentley, James N. Culver, Reza Ghodssi, Li-Qun Wu, Hyunmin Yi, Gary W. Rubloff   +6 more
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Chitosan-as a Biomaterial

Biomaterials, Artificial Cells and Artificial Organs, 1990
Chitosan [a (1----4) 2-amino-2-deoxy-beta-D-Glucan] is a unique polysaccharide derived from chitin. Several attempts have been made to use this biopolymer in biomedical field. The use of this material in the development of hemodialysis membranes, artificial skin, drug targetting and other applications are discussed.
Chandra P. Sharma, Thomas Chandy
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Chitosan and Thiolated Chitosan

2011
Thiolated chitosans constitute an integral part of designated “thiomers”, which are thiolated polymers widely investigated for non-invasive drug delivery. In brief, thiomers display thiol-group-bearing ligands on their polymer backbone. Through thiol/disulfide exchange reactions and/or a simple oxidation process, disulfide bonds are formed between such
Federica Sarti, Andreas Bernkop-Schnürch   +1 more
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