Results 11 to 20 of about 6,708 (181)

Alginate gels crosslinked with chitosan oligomers - a systematic investigation into alginate block structure and chitosan oligomer interaction. [PDF]

open access: yesRSC Adv, 2021
Three alginates with different block structures, poly-M, poly-G, and poly-MG, were investigated upon ionic crosslinking with chitosan oligomers, using circular dichroism, rheology, and simulations, revealing a unique high gel strength poly-MG chitosan gelling system.
Kopplin G   +3 more
europepmc   +4 more sources

Regiospecific Grafting of Chitosan Oligomers Brushes onto Silicon Wafers. [PDF]

open access: yesInt J Mol Sci, 2022
The functionalization of surfaces using chitosan oligomers is of great interest for a wide range of applications in biomaterial and biomedical fields, as chitosan oligomers can provide various functional properties including biocompatibility, wetting, adhesion, and antibacterial activity.
Garreau C   +5 more
europepmc   +4 more sources

Functional Properties of Chitosan Oligomers Obtained by Enzymatic Hydrolysis. [PDF]

open access: yesPolymers (Basel), 2023
The aims of this study were to obtain chitooligosaccharides (COS) from chitosan (CH) with improved functional properties and comparison of the use of two different enzymes: commercial cellulase (CL) and the dedicated enzyme chitosanase (CS). After enzymatic reaction, chitosan oligomers (NFs) were isolated by methanol into two fractions: precipitate ...
Kulig D   +5 more
europepmc   +3 more sources

Multifunctional Nanocarriers Based on Chitosan Oligomers and Graphitic Carbon Nitride Assembly. [PDF]

open access: yesMaterials (Basel), 2022
In this study, a graphitic carbon nitride and chitosan oligomers (g-C3N4–COS) nanocarrier assembly, which was obtained by cross-linking with methacrylic anhydride (MA), was synthesized and characterized. Its characterization was carried out using infrared spectroscopy, elemental and thermal analyses, and transmission electron microscopy.
Santiago-Aliste A   +6 more
europepmc   +5 more sources

"CHITOSAN OLIGOMERS – SYNTHESIS, CHARACTERIZATION AND PROPERTIES "

open access: yesCellulose Chemistry and Technology, 2022
The paper presents the synthesis of chitosan oligomers with different polymerization degrees (PD) by chitosan depolymerization in the presence of nitrous acid, aiming to study the correlation between their polymerization degree and their properties. Seven oligomers were synthesized and purified.
DANIELA AILINCAI   +3 more
openaire   +1 more source

Formation of Silver Nanoparticles Using Fluorescence Properties of Chitosan Oligomers. [PDF]

open access: yesMar Drugs, 2018
In this study, silver chloride nanoparticles (AgCl NPs) were prepared using chitosan oligomer (CHI) and chitosan oligomer derivatives (CHI-FITC). The CHI and CHI-FITC were used as markers to confirm the formation of AgCl NPs using their fluorescence properties as well as stabilizers.
Cheon JY, Lee HM, Park WH.
europepmc   +4 more sources

Bark Extract of Uncaria tomentosa L. for the Control of Strawberry Phytopathogens

open access: yesHorticulturae, 2022
Gray mold (Botrytis cinerea Pers.), crown and fruit rot (Phytophthora cactorum (Lebert and Cohn) J.Schröt), and verticillium wilt (Verticillium dahliae Kleb.) are among the main diseases that affect the strawberry crop. In the study presented herein, the
Eva Sánchez-Hernández   +6 more
doaj   +1 more source

Investigating the effect of chitosan on gene expression, p5cs enzyme activity and proline content in rapeseed (Brassica napus L.) under salt stress [PDF]

open access: yesمجله بیوتکنولوژی کشاورزی, 2022
Objective Salinity is one of the most important stresses that reduce the yield of most plants. Plants use different mechanisms in response to environmental stresses.
Zohreh Khosravian   +2 more
doaj   +1 more source

Preparation of Chito-Oligomers by Hydrolysis of Chitosan in the Presence of Zeolite as Adsorbent

open access: yesMarine Drugs, 2016
An increasing interest has recently been shown to use chitin/chitosan oligomers (chito-oligomers) in medicine and food fields because they are not only water-soluble, nontoxic, and biocompatible materials, but they also exhibit numerous biological ...
Khalid A. Ibrahim   +6 more
doaj   +1 more source

Toksisitas Oligomer Kitosan Derajat Deasetilasi Rendah Enzimatis Menggunakan Metode Brine Srimp Lethality Test (BSLT)

open access: yesIndonesian Journal of Chemical Research, 2017
Chitosan oligomers or chitooligomer is a mixture of oligomers of D-glucosamine which are formed through a process of depolymerization of chitosan with cuting its β-glycosidic bonding.
Sarni Sarni
doaj   +1 more source

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