In Vitro Anti-HIV-1 Activity of Chitosan Oligomers N-Conjugated with Asparagine and Glutamine. [PDF]
BioTech (Basel), 2023 Chitosan oligomers (COS) are polysaccharides obtained by the hydrolyzation of chitosan. They are water-soluble, biodegradable, and have a wide range of beneficial properties for human health.
Karadeniz F.
europepmc +2 more sources
Antifungal Agents Based on Chitosan Oligomers, ε-polylysine and Streptomyces spp. Secondary Metabolites against Three Botryosphaeriaceae Species. [PDF]
Antibiotics (Basel), 2019 Grapevine trunk diseases (GTDs) are a major threat to the wine and grape industry. The aim of the study was to investigate the antifungal activity against Neofusicoccum parvum, Diplodia seriata, and Botryosphaeria dothidea of ε-polylysine, chitosan ...
Buzón-Durán L +7 more
europepmc +2 more sources
Conversion of Chitin to Defined Chitosan Oligomers: Current Status and Future Prospects. [PDF]
Mar Drugs, 2019 Chitin is an abundant polysaccharide primarily produced as an industrial waste stream during the processing of crustaceans. Despite the limited applications of chitin, there is interest from the medical, agrochemical, food and cosmetic industries because
Schmitz C +5 more
europepmc +2 more sources
Rational protein design of Bacillus sp. MN chitosanase for altered substrate binding and production of specific chitosan oligomers. [PDF]
J Biol Eng, 2019 Background Partially acetylated chito-oligosaccharides (paCOS) have a variety of potential applications in different fields, but to harness their benefits, pure paCOS or well-defined paCOS mixtures are essential.
Gercke D +3 more
europepmc +2 more sources
Comparative Potential of Chitinase and Chitosanase from the Strain <i>Bacillus thuringiensis</i> B-387 for the Production of Antifungal Chitosan Oligomers. [PDF]
BioTech (Basel)The depolymerization of chitosan using chitinolytic enzymes is one of the most promising approaches for the production of bioactive soluble chitooligosaccharides (COS) due to its high specificity, environmental safety, mild reaction conditions, and ...
Aktuganov G +10 more
europepmc +2 more sources
Biopolymer Fibers of High Strength and Enhanced Orientation by the Synergy of High/Low Molecular Weight Chitosans in Hybrid Biomaterials Processed by Gel Spinning. [PDF]
J Funct BiomaterHigh-performance spun bionanocomposite fibers, composed of high-molecular-weight chitosan (HMW), low-molecular-weight chitosan “oligomers” (LMW), and cellulose nanofibers (CNFs), were successfully fabricated via gel spinning of viscous aqueous chitosan ...
Tran TA +9 more
europepmc +2 more sources
Fabrication of blended chitosan nanofibers by the free surface wire electrospinning [PDF]
Pharmacia, 2023 Nanofibers are fibers with diameters in the nanometer range. They are characterized by their high surface area to volume ratio, flexible surface functionalities, and superior mechanical properties.
Nawzat D. AlJbour +3 more
doaj +3 more sources
Synergistic Antimicrobial Effect of Chitosan Polymers and Oligomers
Molecular Plant-Microbe Interactions, 2021 This study evaluated the efficacy of the combined application of well-characterized chitosan polymer (degree of acetylation = 10%, degree of polymerization [DPn] = 90, and dispersity [ÐDP] = 2.8) and oligomers (partially acetylated chitosan polymers and ...
Maha Attjioui +3 more
doaj +1 more source
Chitosan-Based Bioactive Formulations for the Control of Powdery Mildew in Viticulture
Agronomy, 2022 Grapevine is highly susceptible to fungal diseases, whose incidence and severity increase due to climate change. The present work focuses on the assessment of eight combinations of natural products with chitosan oligomers with fungicidal capacity that ...
David Ruano-Rosa +6 more
doaj +1 more source
A systematic review of physical techniques for chitosan degradation
Carbohydrate Polymer Technologies and Applications, 2021 Chitosan is a biomaterial that has widespread applications in different fields such as food industry, agriculture, pharmacy, medicine, cosmetology, textile and paper industries etc.
Ashish Pandit +4 more
doaj +1 more source