Quaternary ammonium salts of chitosan. A critical overview on the synthesis and properties generated by quaternization

BI Andreica, X Cheng, L Marin - European Polymer Journal, 2020 - Elsevier
The quaternary ammonium salts of chitosan are water soluble derivatives which keep the
promise for real life applications in a large realm of biomedical fields, such as antimicrobial …

A review of the antimicrobial activity of chitosan

RC Goy, D Britto, OBG Assis - Polímeros, 2009 - SciELO Brasil
Chitosan, a versatile hydrophilic polysaccharide derived from chitin, has a broad
antimicrobial spectrum to which gram-negative, gram-positive bacteria and fungi are highly …

[HTML][HTML] Antimicrobial Activity of Chitosan Derivatives Containing N-Quaternized Moieties in Its Backbone: A Review

AF Martins, SP Facchi, HDM Follmann… - International Journal of …, 2014 - mdpi.com
Chitosan, which is derived from a deacetylation reaction of chitin, has attractive antimicrobial
activity. However, chitosan applications as a biocide are only effective in acidic medium due …

Trimethyl chitosan and its applications in drug delivery

VK Mourya, NN Inamdar - Journal of Materials Science: Materials in …, 2009 - Springer
Chitosan, a polymer obtained by deacetylation of chitin is widely studied for its
pharmaceutical and nonpharmaceutical applications. Recommendations about uses of this …

Exploring the factors affecting the solubility of chitosan in water

IA Sogias, VV Khutoryanskiy… - … Chemistry and Physics, 2010 - Wiley Online Library
We explore the role of crystallinity and inter‐or intramolecular forces in chitosan for its
solubility in water and demonstrate the expansion of its solubility to a wider pH range. Due to …

[HTML][HTML] Characterization of N-trimethyl chitosan/alginate complexes and curcumin release

AF Martins, PVA Bueno, EAMS Almeida… - International journal of …, 2013 - Elsevier
N-trimethyl chitosan of two quaternization degrees, DQ= 20 and 80mol% and labeled as
TMC20 and TMC80, were synthesized and characterized by 1H NMR. Polyelectrolyte …

N, N, N-trimethyl chitosan nanoparticles as a vitamin carrier system

D de Britto, MR de Moura, FA Aouada, LHC Mattoso… - Food …, 2012 - Elsevier
There is considerable interest in incorporating stabilized vitamins into biopolymeric
nanoparticles, especially in the development of carriers and active systems for …

[HTML][HTML] Characterization of polyelectrolytes complexes based on N, N, N-trimethyl chitosan/heparin prepared at different pH conditions

AF Martins, AGB Pereira, AR Fajardo, AF Rubira… - Carbohydrate …, 2011 - Elsevier
N, N, N-trimethyl chitosan (TMC) was synthesized through the N-methylation of chitosan
(CHT) and characterized by FTIR and 1H NMR spectroscopy. Polyelectrolyte complexes …

Corrosion and hydrogen evolution rate control for X-65 carbon steel based on chitosan polymeric ionic liquids: experimental and quantum chemical studies

SM Elsaeed, H El Sayed, H Ashour, EG Zaki… - RSC …, 2018 - pubs.rsc.org
The corrosion performance of carbon steel was tested in four polymeric ionic liquids (PILs)
that differed only in the fatty acid linked to the chitosan (CS) amine group. The …

Quaternary salts of chitosan: History, antimicrobial features, and prospects

D de Britto, R Celi Goy… - International Journal …, 2011 - Wiley Online Library
Recently, increasing attention has been paid to water‐soluble derivatives of chitosan at its
applications. The chemical characteristics and the antimicrobial properties of these salts can …