Results 61 to 70 of about 571,765 (409)

Chitosan: A Natural Biopolymer with a Wide and Varied Range of Applications

Molecules, 2020
Although chitin is of the most available biopolymers on Earth its uses and applications are limited due to its low solubility. The deacetylation of chitin leads to chitosan.
C. P. Jiménez‐Gómez, J. A. Cecilia
semanticscholar   +1 more source

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

, 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, Piątkowski, Marek, Raclavský, Konstantin, Radwan-Pragłowska, Julia   +3 more
core   +1 more source

Synthesis, characterization and anticoagulant activity of chitosan derivatives

Saudi 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, Meenakshi Sajwan, Bader Alsuwayt, Mohammad Asif   +3 more
doaj   +1 more source

Antimicrobial activity of chitosan nanoparticles

Biotechnology & 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, Roop Singh Bora, Saleh Mohammed Al-Garni   +2 more
doaj   +1 more source

Chitosan, chitosan derivatives, and chitosan-based nanocomposites: eco-friendly materials for advanced applications (a review)

Frontiers in Chemistry
For many years, chitosan has been widely regarded as a promising eco-friendly polymer thanks to its renewability, biocompatibility, biodegradability, non-toxicity, and ease of modification, giving it enormous potential for future development.
Abir El-araby, Walid Janati, Riaz Ullah, S. Ercişli, F. Errachidi   +4 more
semanticscholar   +1 more source

Preparations, properties and applications of chitosan based nanofibers fabricated by electrospinning

eXPRESS Polymer Letters, 2011
Chitosan is soluble in most acids. The protonation of the amino groups on the chitosan backbone inhibits the electrospinnability of pure chitosan.
doaj   +1 more source

Potential control of forest diseases by solutions of chitosan oligomers, propolis and nanosilver [PDF]

, 2017
Producción CientíficaThere is a growing necessity to replace chemical agents with ecofriendly materials, arising from the impact on the environment and/or human health, which calls for the design of new broad-spectrum fungicides.
Díez Casero, Julio Javier, Flores Pacheco, Juan Asdrúbal, Martín García, Jorge, Martín Gil, Jesús, Martín Ramos, Pablo, Silva Castro, Iosody   +5 more
core   +1 more source

Facile synthesis of chitosan-capped ZnS quantum dots as an eco-friendly fluorescence sensor for rapid determination of bisphenol A in water and plastic samples [PDF]

, 2014
This paper describes a novel eco-friendly fluorescence sensor for determination of bisphenol A (BPA) based on chitosan-capped ZnS quantum dots (QDs). By using safe and inexpensive materials, nontoxic ZnS QDs were synthesized via an environment-friendly ...
Bie, Jiaxin, Cao, Xianyi, Guo, Jiajia, Liu, Xin, Luo, Yeli, Shen, Fei, Sun, Chunyan, Zhang, Minwei   +7 more
core   +1 more source

Isolation and characterization of chitosan from Ugandan edible mushrooms, Nile perch scales and banana weevils for biomedical applications

Scientific Reports, 2021
Of recent, immense attention has been given to chitosan in the biomedical field due to its valuable biochemical and physiological properties. Traditionally, the chief source of chitosan is chitin from crab and shrimp shells.
Kenneth Ssekatawa, Denis K. Byarugaba, Eddie M. Wampande, Tlou N. Moja, Edward Nxumalo, Malik Maaza, Juliet Sackey, Francis Ejobi, John Baptist Kirabira   +8 more
doaj   +1 more source

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

Marine 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, Jiayao Feng, Huimin You, Shipeng Zhou, Yan Bai, Jincan He, Hua Cao, Qishi Che, Jiao Guo, Zhengquan Su   +9 more
doaj   +1 more source