Preparation of chitosan with different characteristics and its application for biofilms production

JM Moura, BS Farias, DAS Rodrigues… - Journal of Polymers and …, 2015 - Springer
In this research, different chitosan samples were obtained and were applied to produce
biopolymeric films, aiming to obtain environmentally friendly materials for packaging …

Selection of a practical assay for the determination of the entire range of acetyl content in chitin and chitosan: UV spectrophotometry with phosphoric acid as solvent

S Hein, CH Ng, WF Stevens… - Journal of Biomedical …, 2008 - Wiley Online Library
The rapidly expanding use of chitomaterials in biomedical applications demands accurate
and precise analytical methods to determine physico‐chemical characteristics, especially …

Evaluation of different absorbance ratios from infrared spectroscopy for analyzing the degree of deacetylation in chitin

Y Shigemasa, H Matsuura, H Sashiwa… - International Journal of …, 1996 - Elsevier
Various acetylated chitosan derivatives and mixtures of chitin and chitosan, covering the
range of the degree of deacetylation (DDA) from 0–100% were analyzed by 1H-NMR …

Improvement of the wet tensile properties of nanostructured hydroxyapatite and chitosan biocomposite films through hydrophobic modification

C Pradal, P Kithva, D Martin, M Trau… - Journal of Materials …, 2011 - pubs.rsc.org
Hydrophobic modification of chitosan/hydroxyapatite composites and chitosan films was
performed using four n-alkyl acids with varying alkyl chain lengths (6 to 16 carbons), and …

Use of a fractional factorial design to study the effects of experimental factors on the chitin deacetylation

I Younes, O Ghorbel-Bellaaj, M Chaabouni… - International journal of …, 2014 - Elsevier
Chitosan is obtained by deacetylation of chitin. Chitosan versatility is directly related to the
polymer's characteristics depending on the deacetylation process. The aim of this research …

Physicochemical modulation of chitosan‐based hydrogels induces different biological responses: Interest for tissue engineering

L Rami, S Malaise, S Delmond… - … research Part A, 2014 - Wiley Online Library
Polysaccharide‐based hydrogels are remarkable materials for the development of tissue
engineering strategies as they meet several critical requirements for such applications and …

Biocompatibility of thermosensitive chitosan-based hydrogels: an in vivo experimental approach to injectable biomaterials

G Molinaro, JC Leroux, J Damas, A Adam - Biomaterials, 2002 - Elsevier
Chitosan, an amino-polysaccharide obtained from the alkaline deacetylation of chitin,
presents an interest as a drug vehicle. Indeed, chitosan solutions containing glycerol-2 …

Factors influencing the antibacterial activity of chitosan and chitosan modified by functionalization

C Ardean, CM Davidescu, NS Nemeş… - International Journal of …, 2021 - mdpi.com
The biomedical and therapeutic importance of chitosan and chitosan derivatives is the
subject of interdisciplinary research. In this analysis, we intended to consolidate some of the …

[HTML][HTML] Measurement of the degree of deacetylation in chitosan films by FTIR, 1H NMR and UV spectrophotometry

DI Sánchez-Machado, J López-Cervantes… - MethodsX, 2024 - Elsevier
The chitosan films were prepared from shrimp, squid, and crab to corroborate that
regardless of the source of the chitosan, it was possible to measure the degree of …

Biomedical applications of chitosan: an overview

R Ramya, J Venkatesan, SK Kim… - Journal of Biomaterials …, 2012 - ingentaconnect.com
Chitosan, a natural polymer obtained by alkaline deacetylation of chitin, is non-toxic,
biocompatible, and biodegradable and it has recently gained more interest due to its …