Results 21 to 30 of about 35,049 (259)

Chitosan-based Maillard self-reaction products: Formation, characterization, antioxidant and antimicrobial potential

Carbohydrate Polymer Technologies and Applications, 2022
In this work, new chitosan derivatives (CS1-CS6) were obtained by short-term hydrothermal treatment. The formation of chitosan derivatives occurred through two simultaneous processes: hydrolysis and Maillard self-reaction.
Aliaksandr Kraskouski, Kseniya Hileuskaya, Viktoryia Nikalaichuk, Alena Ladutska, Volha Kabanava, Wanzi Yao, Lijun You   +6 more
doaj   +1 more source

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

PLoS 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, Haliza Katas, Siti Noradila Samsudin, Noraziah Mohamad Zin   +3 more
doaj   +1 more source

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

Marine 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, Xueqi Sun, Guodong Gu, Zhanyong Guo   +3 more
doaj   +1 more source

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

Frontiers 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, Dongxu Wang, Da Liu, Jiayang Su, Ye Jin, Duo Wang, Beibei Han, Ziping Jiang, Bin Liu   +8 more
doaj   +1 more source

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

Molecules, 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

Novel Chitosan Derivatives and Their Multifaceted Biological Applications

Applied 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, Nazim Hasan, Syed Kashif Ali, Juhyun Shin, Judy Gopal, Manikandan Muthu, Jae-Wook Oh   +6 more
doaj   +1 more source

Chitin, Chitosan, and Its Derivatives for Wound Healing: Old and New Materials

Journal of Functional Biomaterials, 2015
Chitin (β-(1-4)-poly-N-acetyl-D-glucosamine) is widely distributed in nature and is the second most abundant polysaccharide after cellulose. It is often converted to its more deacetylated derivative, chitosan.
Kazuo Azuma, Ryotaro Izumi, Tomohiro Osaki, Shinsuke Ifuku, Minoru Morimoto, Hiroyuki Saimoto, Saburo Minami, Yoshiharu Okamoto   +7 more
doaj   +1 more source

Physicochemical and biological properties of chitosan derivatives with varying molecular weight produced by chemical depolymerization

, 2022
Chitosan derivatives with lower Mw were prepared by chemical depolymerization using hydrochloric acid. This modification improves functional and biological properties of shrimp chitosan and facilitates its utilizations.
Heras Caballero, Ángeles María, Affes, Sawsan, Maalej, Hana, Acosta Contreras, Florentina Niuris, Nasri, Moncef, Aranaz Corral, Inmaculada   +5 more
core   +1 more source

Update on Chitosan-Based Hydrogels: Preparation, Characterization, and Its Antimicrobial and Antibiofilm Applications

Gels, 2022
Chitosan is a prominent biopolymer in research for of its physicochemical properties and uses. Each year, the number of publications based on chitosan and its derivatives increases.
Kokila Thirupathi, Chaitany Jayaprakash Raorane, Vanaraj Ramkumar, Selvakumari Ulagesan, Madhappan Santhamoorthy, Vinit Raj, Gopal Shankar Krishnakumar, Thi Tuong Vy Phan, Seong-Cheol Kim   +8 more
doaj   +1 more source

Preparation and Characterization of Novel Cationic Chitosan Derivatives Bearing Quaternary Ammonium and Phosphonium Salts and Assessment of Their Antifungal Properties

Molecules, 2017
Chitosan is an abundant and renewable polysaccharide, its derivatives exhibit attractive bioactivities and the wide applications in various biomedical fields.
Wenqiang Tan, Qing Li, Fang Dong, Qiuhong Chen, Zhanyong Guo   +4 more
doaj   +1 more source