Results 11 to 20 of about 35,049 (259)

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 Derivatives and Their Application in Biomedicine. [PDF]

Int J Mol Sci, 2020
Chitosan is a product of the deacetylation of chitin, which is widely found in nature. Chitosan is insoluble in water and most organic solvents, which seriously limits both its application scope and applicable fields.
Wang W, Meng Q, Li Q, Liu J, Zhou M, Jin Z, Zhao K.   +6 more
europepmc   +2 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

Design of Chitosan Sterilization Agents by a Structure Combination Strategy and Their Potential Application in Crop Protection

Molecules, 2021
Chitosan is the only cationic polysaccharide in nature. It is a type of renewable resource and is abundant. It has good biocompatibility, biodegradability and biological activity.
Weixiang Liu, Yukun Qin, Pengcheng Li
doaj   +1 more source

Tumor microenvironment penetrating chitosan nanoparticles for elimination of cancer relapse and minimal residual disease

Frontiers in Oncology, 2022
Chitosan and its derivatives are among biomaterials with numerous medical applications, especially in cancer. Chitosan is amenable to forming innumerable shapes such as micelles, niosomes, hydrogels, nanoparticles, and scaffolds, among others.
Hossein Mahmudi, Hossein Mahmudi, Mohammad Amin Adili-Aghdam, Mohammad Shahpouri, Mehdi Jaymand, Zohreh Amoozgar, Rana Jahanban-Esfahlan, Rana Jahanban-Esfahlan   +7 more
doaj   +1 more source

Synthesis, Characterization, and Antifungal Activity of Pyridine-Based Triple Quaternized Chitosan Derivatives

Molecules, 2018
In this study, a series of triple quaternized chitosan derivatives, including 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1-pyridylmethyl-2-ylmethyl)-N,N-dimethyl chitosan chloride (7), 6-O-[(2-hydroxy-3-trimethylammonium)propyl]-2-N-(1 ...
Lijie Wei, Yuan Chen, Wenqiang Tan, Qing Li, Guodong Gu, Fang Dong, Zhanyong Guo   +6 more
doaj   +1 more source

Chitosan and chitosan derivatives: Recent advancements in production and applications in environmental remediation

Environmental Advances, 2023
This review, which presents recent advancements in production and applications in environmental remediation of chitosan and chitosan derivatives, covers relevant literature in the last 7–8 years, which is nearly half-term of the 15-year period where the ...
Ibrahim Issahaku, Isaac K. Tetteh, Antonia Y. Tetteh   +2 more
doaj   +1 more source

Water soluble chitosan derivatives via the freeze concentration technique [PDF]

, 2015
Chitosan has been an attractive biopolymer for decades, but its processibility is lowered by its poor solubility, especially in physiological pH values.
Senem Avaz, Taralp, Alpay, Alpay Taralp, Avaz, Merve Senem   +3 more
core   +1 more source

N-octyl chitosan derivatives as amphiphilic carrier agents for herbicide formulations

Open Chemistry, 2019
This study investigates the potential of N-octyl chitosan derivatives, namely N-octyl-O-sulfate chitosan (NOOSC), N-octyl-N-succinyl chitosan (NONSC) and N-octyl-O-glycol chitosan (NOOGC) as amphiphilic carrier agents for atrazine in water-insoluble ...
Kamari Azlan, Yusoff Siti Najiah Mohd
doaj   +1 more source