Results 31 to 40 of about 71,523 (300)

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

Chitin and lignin. Natural ingredients from waste materials to make innovative and healthy products for humans and plant [PDF]

open access: yes, 2017
In a globalized world, plants are continually cut to obtain free land for intensive farming without remembering their important function in the planet ecosystem.
Morganti, Pierfrancesco, Stoller, Marco
core   +1 more source

Regioselective Sequential Modification of Chitosan via Azide-Alkyne Click Reaction: Synthesis, Characterization, and Antimicrobial Activity of Chitosan Derivatives and Nanoparticles.

open access: yesPLoS ONE, 2015
Recently, the attention of researchers has been drawn toward the synthesis of chitosan derivatives and their nanoparticles with enhanced antimicrobial activities.
Atif Sarwar   +3 more
doaj   +1 more source

Novel Water Soluble Chitosan Derivatives with 1,2,3-Triazolium and Their Free Radical-Scavenging Activity

open access: yesMarine Drugs, 2018
Chitosan is an abundant and renewable polysaccharide, which exhibits attractive bioactivities and natural properties. Improvement such as chemical modification of chitosan is often performed for its potential of providing high bioactivity and good water ...
Qing Li   +3 more
doaj   +1 more source

Applications of Chitosan and its Derivatives in Skin and Soft Tissue Diseases

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Chitosan and its derivatives are bioactive molecules that have recently been used in various fields, especially in the medical field. The antibacterial, antitumor, and immunomodulatory properties of chitosan have been extensively studied. Chitosan can be
Yidan Xia   +8 more
doaj   +1 more source

Structural analysis of magnetic nanocomposites based on chitosan [PDF]

open access: yes, 2018
This work investigates the structure and magnetic properties of chitosan based films with different contents of magnetic nanoparticles (MNPs) of around 10 nm as well as the effects of the addition of glycerol as plasticizer.
Kloster, Gianina Andrea   +5 more
core   +2 more sources

Anticancer Activity of Chitosan, Chitosan Derivatives, and Their Mechanism of Action

open access: yesInternational Journal of Biomaterials, 2018
Tailoring of chitosan through the involvement of its amino, acetamido, and hydroxy groups can give derivatives of enhanced solubility and remarkable anticancer activity. The general mechanism of such activity is associated with the disturbances in normal functioning of cell cycle, interference to the central dogma of biological system from DNA to RNA ...
Hari Sharan Adhikari, Paras Nath Yadav
openaire   +3 more sources

Biomaterials Based on Chitosan and Its Derivatives and Their Potential in Tissue Engineering and Other Biomedical Applications—A Review

open access: yesMolecules, 2022
In the times of dynamically developing regenerative medicine, more and more attention is focused on the use of natural polymers. This is due to their high biocompatibility and biodegradability without the production of toxic compounds, which means that ...
Marta Szulc, Katarzyna Lewandowska
doaj   +1 more source

Nasal Drug Delivery Systems: An Overview [PDF]

open access: yes, 2015
Since ancient times, drugs have been administered via the nasal route for therapeutic and recreational purposes. The interest in, and importance, of the systemic effects of drugs administered through the nasal route, have expanded over recent decades ...
Conway, Barbara R.   +3 more
core   +1 more source

Novel Chitosan Derivatives and Their Multifaceted Biological Applications

open access: yesApplied Sciences, 2022
Chitosan is a rather attractive material, especially because of its bio-origins as well as generation from exoskeletal waste. As the mantle has been effectively transferred from chitin to chitosan, so has it been extrapolated to in-house synthesized ...
Iyyakkannu Sivanesan   +6 more
doaj   +1 more source

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