Results 21 to 30 of about 1,732,403 (348)

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

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

Molecules, 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, Song-Zhi Kong, Si-Dong Li, Hua-Zhong Liu, Qian-Qian Ouyang, Yong-Mei Huang, Hui Luo   +6 more
doaj   +1 more source

Acute and subacute in vivo safety assessment of developed chitosan derivatives for food applications

Food Hydrocolloids for Health, 2023
The acute and subacute studies of two chitosan derivatives was conducted by oral administration on Swiss albino mice. Chitosan soluble derivatives were prepared by depolymerization method using potassium persulfate.
T.P. Punarvasu, K.V. Harish Prashanth
doaj   +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

Mechanism and Application of Chitosan and Its Derivatives in Promoting Permeation in Transdermal Drug Delivery Systems: A Review

Pharmaceuticals, 2022
The mechanisms and applications of chitosan and its derivatives in transdermal drug delivery to promote drug permeation were reviewed in this paper.
Jinqian Ma, Yuchen Wang, Rong Lu
doaj   +1 more source

Progress in Research of Chitosan Chemical Modification Technologies and Their Applications

Marine Drugs, 2022
Chitosan, which is derived from chitin, is the only known natural alkaline cationic polymer. Chitosan is a biological material that can significantly improve the living standard of the country.
Qizhou Chen, Yi Qi, Yuwei Jiang, Weiyan Quan, Hui Luo, Kefeng Wu, Sidong Li, Qianqian Ouyang   +7 more
doaj   +1 more source

Synthesis and Characterization of N,N,N-trimethyl-O-(ureidopyridinium)acetyl Chitosan Derivatives with Antioxidant and Antifungal Activities

Marine Drugs, 2020
Chitosan is an active biopolymer, and the combination of it with other active groups can be a valuable method to improve the potential application of the resultant derivatives in food, cosmetics, packaging materials, and other industries.
Jingjing Zhang, Wenqiang Tan, Qing Li, Fang Dong, Zhanyong Guo   +4 more
doaj   +1 more source

Chitosan/Poly(2-ethyl-2-oxazoline) films with ciprofloxacin for application in vaginal drug delivery [PDF]

, 2020
Chitosan (CHI) and chitosan/poly(2-ethyl-2-oxazoline) (CHI/POZ)-based films were prepared by casting from aqueous solutions of polymer blends with different compositions. Ciprofloxacin was used as a model drug in these formulations. The weight, thickness,
Abilova, Guzel K., Irmukhametova, Galiya S., Iskakbayeva, Zhanar A., Kaldybekov, Daulet B., Kazybayeva, Diara S., Khutoryanskiy, Vitaliy V., Kudaibergenov, Sarkyt E.   +6 more
core   +1 more source

Synthesizing efficacious genistein in conjugation with superparamagnetic Fe₃O₄ decorated with bio-compatible carboxymethylated chitosan against acute leukemia lymphoma [PDF]

, 2014
Background Genistein (C15H10O5) is a soy isoflavone with anti-cancer properties such as inhibition of cell growth, proliferation and tumor invasion, but effective dosage against hematopoietic malignant cells was not in non-toxic range.
A Kraay, A Mccloskey, A R Hall, A R Hall, B E Hansen, B E Hansen, C Audet, C Sanderson, C Sharpsteen, D Acemoglu, D Berkowitz, D Eddelbuettel, D Eddelbuettel, D Eddelbuettel, D Rodrik, D W K Andrews, D W K Andrews, D W K Andrews, D W K Andrews, F Schorfheide, Francis DiTraglia, G Claeskens, G Claeskens, G Claeskens, G Claeskens, G G Judge, G Kuersteiner, H Hong, H Leeb, H Leeb, H Leeb, H Leeb, J D Sachs, J Fox, J S Racine, K Carstensen, K Jana, Le Digabel, M Abramson, M Demetrescu, M J Silvapulle, N L Hjort, P C B Phillips, P Guggenberger, P Guggenberger, P Guggenberger, P Kabaila, P Kabaila, R Core Team, R L Berger, S G Donald, S G Donald, S T Buckland, T G Conley, W Easterly, W K Newey, W K Newey, W.-Y Loh, X Chen, X Cheng, X Cheng, Y Yang, Z Liao, Z Xiao   +63 more
core   +3 more sources

Anti-COVID-19 Credentials of Chitosan Composites and Derivatives: Future Scope?

Antibiotics, 2023
Chitosan derivatives and composites are the next generation polymers for biomedical applications. With their humble origins from the second most abundant naturally available polymer chitin, chitosan is currently one of the most promising polymer systems,
Judy Gopal, Manikandan Muthu, Suraj Shiv Charan Pushparaj, Iyyakkannu Sivanesan   +3 more
doaj   +1 more source