Molecular modifications, biological activities, and applications of chitosan and derivatives: A recent update.
Sign Up to like & getrecommendations! Published in 2022 at "Chirality"
DOI: 10.1002/chir.23477
Abstract: Polysaccharides arouse great interest due to their structure and unique properties, such as biocompatibility, biodegradability, and absence of toxicity. Polysaccharides from marine sources are particularly useful due to the wide variety of applications and biological… read more here.
Keywords: molecular modifications; activities applications; modifications biological; chitosan derivatives ... See more keywords
Chitosan and its derivatives: Promising biomaterial in averting fungal diseases of sugarcane and other crops.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of basic microbiology"
DOI: 10.1002/jobm.202100613
Abstract: Sugarcane (Saccharum officinarum)-a prominent cash crop accounts for around 80% production of sugar worldwide. However, the productivity of sugarcane is declining (~40%) due to the attack of a perilous fungus-Fusarium moniliforme responsible for pokkah boeng… read more here.
Keywords: promising biomaterial; chitosan derivatives; fungal diseases; diseases sugarcane ... See more keywords
Surface characterizations of membranes and electrospun chitosan derivatives by optical speckle analysis
Sign Up to like & getrecommendations! Published in 2019 at "Surface and Interface Analysis"
DOI: 10.1002/sia.6731
Abstract: In this paper, we show that laser speckle pattern provides useful information toward revealing discrimination between nanofibers and membranes. Chitosan materials particularly organosoluble chitosan derivatives have a number of applications. The surface characteristics of these… read more here.
Keywords: analysis; analysis surface; speckle analysis; chitosan derivatives ... See more keywords
Novel Antimicrobial and Antioxidant Chitosan Derivatives Prepared by Green Grafting with Phenyllactic Acid
Sign Up to like & getrecommendations! Published in 2017 at "Food Biophysics"
DOI: 10.1007/s11483-017-9503-6
Abstract: In order to develop novel antimicrobial and antioxidant biopolymers for active packaging to improve quality and safety of food products, we for the first time grafted phenyllatic acid (PLA) on chitosan (CS) using a green… read more here.
Keywords: novel antimicrobial; antimicrobial antioxidant; chitosan derivatives; antioxidant chitosan ... See more keywords
Recent developments in antibacterial and antifungal chitosan and its derivatives.
Sign Up to like & getrecommendations! Published in 2017 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.02.001
Abstract: Chitosan is the deacetylated form of chitin, a biopolymer that can be obtained from various waste streams and shows antimicrobial activity against different fungi, gram positive and gram negative bacteria. Although chitosan has been studied… read more here.
Keywords: antibacterial antifungal; recent developments; chitosan; chitosan derivatives ... See more keywords
Synthesis of N-succinyl- and N-glutaryl-chitosan derivatives and their antioxidant, antiplatelet, and anticoagulant activity.
Sign Up to like & getrecommendations! Published in 2017 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.02.097
Abstract: The effects of temperature, reactant ratio, pH, and reaction time were studied on the polymers formed by the reactions of succinic and glutaric anhydrides with chitosan under both homogeneous and heterogeneous conditions. As a result,… read more here.
Keywords: glutaryl chitosan; succinyl glutaryl; anticoagulant activity; synthesis succinyl ... See more keywords
Synthesis, characterisation and application of pyridine-modified chitosan derivatives for the first non-racemic Cu-catalysed Henry reaction.
Sign Up to like & getrecommendations! Published in 2018 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2017.12.012
Abstract: The preparation, characterisation and application of two pyridine-modified chitosan derivatives (C1 and C2) containing Cu(OAc)2 adsorbed as catalysts for the conversion of benzaldehyde into 2-nitro-1-phenylethanol are described. Quantitative solid-state 13C multiple-contact cross-polarization, magic-angle-spinning, nuclear magnetic… read more here.
Keywords: characterisation application; chitosan derivatives; modified chitosan; reaction ... See more keywords
Synthesis and antioxidant action of chitosan derivatives with amino-containing groups via azide-alkyne click reaction and N-methylation.
Sign Up to like & getrecommendations! Published in 2018 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2018.07.056
Abstract: Amino functionality has been paid growing attention in chemical modification of polysaccharides due to their potential biomedical applications. Here, the preparation of novel antioxidant materials based on chitosan derivatives bearing amino-containing groups equipped with 1,2,3-triazole… read more here.
Keywords: methylation; amino containing; azide alkyne; chitosan derivatives ... See more keywords
Synthesis and antimicrobial properties of new chitosan derivatives containing guanidinium groups.
Sign Up to like & getrecommendations! Published in 2020 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2020.116363
Abstract: New chitosan derivatives bearing guanidinium functions were synthesized following different synthesis strategies. N-guanidinium chitosan acetate and N-guanidinium chitosan chloride were synthesized by direct reaction between chitosan and cyanamide in the presence of scandium(III) triflate. The… read more here.
Keywords: guanidinium chitosan; chitosan derivatives; guanidinium; new chitosan ... See more keywords
Applications of chitosan and their derivatives in beverages: a critical review
Sign Up to like & getrecommendations! Published in 2017 at "Current opinion in food science"
DOI: 10.1016/j.cofs.2017.06.008
Abstract: Chitosan and its derivatives have been proposed for application in beverages either as natural preservatives or active packaging due to their antimicrobial and antioxidant properties. In addition, these positive charged polysaccharides have been also useful… read more here.
Keywords: applications chitosan; chitosan derivatives; critical review; derivatives beverages ... See more keywords
Removal and recovery of heavy metals through size enhanced ultrafiltration using chitosan derivatives and optimization with response surface modeling.
Sign Up to like & getrecommendations! Published in 2019 at "International journal of biological macromolecules"
DOI: 10.1016/j.ijbiomac.2019.03.128
Abstract: N‑N‑N‑triethylammonium chitosan (TEAC) and carboxymethyl chitosan (CMCh), the two water-soluble chitosan derivatives were utilized for the removal and recovery of heavy metals by size enhanced ultrafiltration (SEUF). The strong positive quaternary ammonium [-N+(C2H5)3] cation in… read more here.
Keywords: metals size; ultrafiltration; recovery heavy; chitosan derivatives ... See more keywords