Results 31 to 40 of about 443,573 (256)

Study on Fabrication of Antibacterial Low Molecular Weight Nanochitosan Using Sodium Tripolyphosphate and Hydrogen Peroxide

open access: yesJournal of Nanotechnology, 2022
In the study, chitosan was decomposed into low molecular weight chitosan by using different H2O2 concentrations for chain termination, and then chitosan was prepared with different concentrations of tripolyphosphate cations (TPP).
Tuan Anh Nguyen, Thi Huong Nguyen
doaj   +1 more source

Grafting of 18β-Glycyrrhetinic Acid and Sialic Acid onto Chitosan to Produce a New Amphipathic Chitosan Derivative: Synthesis, Characterization, and Cytotoxicity

open access: yesMolecules, 2021
Chitosan is the only cationic polysaccharide found in nature. It has broad application prospects in biomaterials, but its application is limited due to its poor solubility in water.
Wei-Yan Quan   +6 more
doaj   +1 more source

Microwave-enhanced synthesis of biodegradable multifunctional chitosan hydrogels for wastewater treatment [PDF]

open access: yes, 2017
Chitosan, a derivative of chitin, is a biodegradable polymer known of its favorable properties, applicable in medicine and industry. Commonly obtained chitosan hydrogels are of various swelling capacity, and may bind only anions losing their ...
Janus, Łukasz   +3 more
core   +1 more source

Effect of binary builder on properties of fish jellies

open access: yesИзвестия ТИНРО, 2014
Effect of binary gelatin-chitosan builder on properties of fish jellies is investigated. The model jellies were prepared of the pacific grenadier Allbatrosia pectoralis with the meat distinguished by high water content.
Victotia V. Krashchenko   +1 more
doaj   +1 more source

Antimicrobial activity of chitosan nanoparticles

open access: yesBiotechnology & Biotechnological Equipment, 2021
Chitosan is a deacetylated chitin which is found naturally, particularly in fungal cell walls and crustacean shells. Chitosan is biocompatible and fully biodegradable and is extensively analyzed for antimicrobial property. Chitosan has also been explored
Samiyah Saeed Al-Zahrani   +2 more
doaj   +1 more source

Synthesis, characterization and anticoagulant activity of chitosan derivatives

open access: yesSaudi Pharmaceutical Journal, 2020
Chitosan derivatives are reported as anticoagulants in the literature. This work was undertaken to develop novel chitosan derivatives as anticoagulants.
Mohd. Imran   +3 more
doaj   +1 more source

Proteases and microwave treatment on the quality of chitin and chitosan produced from white shrimp (Penaeus vannamei)

open access: yeseFood, 2023
The aim of this study was to extract chitin and chitosan from shrimp shells by neutral protease‐assisted microwave multiple heating (one, two, three, and four) treatment.
Qiqi Dong   +6 more
doaj   +1 more source

The Microstructure, Antibacterial and Antitumor Activities of Chitosan Oligosaccharides and Derivatives

open access: yesMarine Drugs, 2022
Chitosan obtained from abundant marine resources has been proven to have a variety of biological activities. However, due to its poor water solubility, chitosan application is limited, and the degradation products of chitosan oligosaccharides are better ...
Dawei Yu   +9 more
doaj   +1 more source

Sustainable CO2 adsorbents prepared by coating chitosan onto mesoporous silicas for large-scale carbon capture technology [PDF]

open access: yes, 2015
In this article, we report a new sustainable synthesis procedure for manufacturing chitosan/silica CO2 adsorbents. Chitosan is a naturally abundant material and contains amine functionality, which is essential for selective CO2 adsorptions.
Ganin, Alexey Y.   +2 more
core   +1 more source

Determination of the Optimum Conditions for Production of Chitosan Nanoparticles [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2007
Bioedegradable nanoparticles are intensively investigated for their potential applications in drug delivery systems. Being a biocompatible and biodegradable polymer, chitosan holds great promise for use in this area. This investigation was concerned with
A. Dustgani   +2 more
doaj   +1 more source

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