Deacetylation of Chitosan: Material Characterization and in vitro Evaluation via Albumin Adsorption and Pre-Osteoblastic Cell Cultures

Y Yuan, BM Chesnutt, WO Haggard, JD Bumgardner - Materials, 2011 - mdpi.com
Degree of deacetylation (DDA) and molecular weight (MW) of chitosans are important to
their physical and biological properties. In this study, two chitosans, HS (DDA= 73.3%) and …

Characterization of half N-acetylated chitosan powders and films

F Feng, Y Liu, B Zhao, K Hu - Procedia Engineering, 2012 - Elsevier
The simple homogeneous N-acetylating reaction was developed for preparation of
chitosans with various degree of deacetylation (DDA). Water-soluble half N-acetylated …

Chitosan as a biomaterial: Influence of degree of deacetylation on its physiochemical, material and biological properties

LJR Foster, S Ho, J Hook, M Basuki, H Marcal - PloS one, 2015 - journals.plos.org
Chitosan is a biomaterial with a range of current and potential biomedical applications.
Manipulation of chitosan degree of deacetylation (DDA) to achieve specific properties …

Effect of deacetylation time on the preparation, properties and swelling behavior of chitosan films

D Baskar, TSS Kumar - Carbohydrate polymers, 2009 - Elsevier
The effect of time during the deacetylation of chitin by hot alkali was studied to ascertain the
film forming ability of chitosan. Five types of chitosan films were prepared in a single step …

Crystallinity of partially N-acetylated chitosans

K Ogawa, T Yui - Bioscience, biotechnology, and biochemistry, 1993 - jstage.jst.go.jp
Materials and Methods Three partially N—deacetylated chitin (PDC) powders with different
degrees of acetylation (DAc) were supplied by Katokichi Co.(PDC-22 and PDC-26) and …

In vitro and in vivo degradation of films of chitin and its deacetylated derivatives

K Tomihata, Y Ikada - Biomaterials, 1997 - Elsevier
Chitin was deacetylated to various extents with NaOH to obtain partially and thoroughly
deacetylated chitins. The specimens used in this study were deacetylated by 0 (chitin), 68.8 …

In vitro characterization of chitosan scaffolds: influence of composition and deacetylation degree

R Seda Tığlı, A Karakeçili… - Journal of Materials …, 2007 - Springer
In this study, the influence of degree of deacetylation (DD) and composition on some
structural and biological properties of chitosan scaffolds were examined in vitro. 3D chitosan …

Preparation and solubility in acid and water of partially deacetylated chitins

YW Cho, J Jang, CR Park, SW Ko - Biomacromolecules, 2000 - ACS Publications
Partially deacetylated chitins with different degrees of deacetylation (DD) were prepared by
alkaline treatment under homogeneous conditions, and the effect of DD on their solubility …

Deacetylation modification techniques of chitin and chitosan

PR Sivashankari, M Prabaharan - Chitosan Based Biomaterials Volume 1, 2017 - Elsevier
Chitosan, which is widely used in many fields ranging from water treatment to wound
healing, is produced by the partial deacetylation of the natural polymer chitin. Various …

In vitro and in vivo degradation behavior of acetylated chitosan porous beads

SM Lim, DK Song, SH Oh, DS Lee-Yoon… - Journal of …, 2008 - Taylor & Francis
Chitosans with different degree of acetylation (DA, 10–50%) were synthesized by the
acetylation reaction of deacetylated chitosan and acetic anhydride with different ratios. The …