Results 31 to 40 of about 143,615 (211)

Glucosamine, Chitosan, Chitosan Derivatives, Chitosan Oligosaccharide

, 2023
Glucosamine, Chitosan, Chitosan Derivatives, Chitosan ...
openaire   +2 more sources

Computational Assessment of Chito-Oligosaccharides Interactions with Plasma Proteins

Marine Drugs, 2021
It is widely rec ognized that chitin and chitosan are potential sources of bioactive materials and that their oligosaccharides reveal various biological activities (including antimicrobial) that are correlated with their structures and physicochemical ...
Diana Larisa Roman, Vasile Ostafe, Adriana Isvoran   +2 more
doaj   +1 more source

ADVANCEMENT IN CHARACTERIZATION AND BIOLOGICAL ACTIVITIES OF CHITOSAN AND CHITOSAN OLIGOSACCHARIDES

Pakistan Journal of Science, 2020
Chitosan and its oligosaccharides exhibit numerous biochemical characteristics, which includes immune enhancing, antimicrobial and anti-viral properties. Chitosan and its products have drawn much attention of both food and pharmaceutical industry due to their peculiar physiochemical characteristics and effectiveness in cancer therapies.
null S.G. Mohyuddin, null A. Qamar, null A. Riaz, null S.H. Ali, null C. Hu, null L. Wu, null T. Yu, null X. H. ju, null F. Jabeen   +8 more
openaire   +1 more source

Nitric oxide-releasing chitosan oligosaccharides as antibacterial agents [PDF]

, 2014
Secondary amine-functionalized chitosan oligosaccharides of different molecular weights (i.e., ~2500, 5000, 10000) were synthesized by grafting 2-methyl aziridine from the primary amines on chitosan oligosaccharides, followed by reaction with nitric ...
Lu, Yuan, Schoenfisch, Mark H., Slomberg, Danielle L.   +2 more
core   +1 more source

Enzymatic Properties of Antifungal Endochitinase and Its Function in the Preparation of Chitosan Oligosaccharides [PDF]

Shipin Kexue
In order to develop chitin and chitosan bioconversion of active oligosaccharides and achieve the application of chitinase in food preservation and biocontrol, chitinase (ChiA-Sa62) was isolated and purified from Streptomyces aureofaciens XZ-Sa62, and its
ZHAO Jiechang, WANG Qiyuan, SONG Kexin, CHEN Teng, WANG Feng, YANG Jie, GAO Zhaojian
doaj   +1 more source

Bioproduction of Chitooligosaccharides: Present and Perspectives

Marine Drugs, 2014
Chitin and chitosan oligosaccharides (COS) have been traditionally obtained by chemical digestion with strong acids. In light of the difficulties associated with these traditional production processes, environmentally compatible and reproducible ...
Woo-Jin Jung, Ro-Dong Park
doaj   +1 more source

Physicochemical characteristics of chitosan from swimming crab (Portunus trituberculatus) shells prepared by subcritical water pretreatment

Scientific Reports, 2021
The physicochemical properties of chitosan obtained from the shells of swimming crab (Portunus trituberculatus) and prepared via subcritical water pretreatment were examined.
Gengxin Hao, Yanyu Hu, Linfan Shi, Jun Chen, Aixiu Cui, Wuyin Weng, Kazufumi Osako   +6 more
doaj   +1 more source

S-Nitrosothiol-modified nitric oxide-releasing chitosan oligosaccharides as antibacterial agents [PDF]

, 2015
S-nitrosothiol-modified chitosan oligosaccharides were synthesized by reaction with 2-iminothiolane hydrochloride and 3-acetamido-4,4-dimethylthietan-2-one, followed by the thiol nitrosation.
Soto, Robert J., Lu, Yuan, Shah, Anand, Schoenfisch, Mark H., Hunter, Rebecca A.   +4 more
core   +1 more source

Synthesis and Evaluation of a Chitosan Oligosaccharide-Streptomycin Conjugate against Pseudomonas aeruginosa Biofilms

Marine Drugs, 2019
Microbial biofilms are considerably more resistant to antibiotics than planktonic cells. It has been reported that chitosan coupling with the aminoglycoside antibiotic streptomycin dramatically disrupted biofilms of several Gram-positive bacteria.
Ruilian Li, Xianghua Yuan, Jinhua Wei, Xiafei Zhang, Gong Cheng, Zhuo A. Wang, Yuguang Du   +6 more
doaj   +1 more source

Characterization and cytotoxicity of low-molecular-weight chitosan and chito-oligosaccharides derived from tilapia fish scales

Journal of Advanced Pharmaceutical Technology & Research, 2021
The present study evaluated the physicochemical characterization and cytotoxicity activity of chitosan and chito-oligosaccharides (COSs). The extraction of chitosan and COSs was executed by chemical hydrolysis.
Gul-e-Saba Chaudhry, C S Thirukanthan, K Murni NurIslamiah, Y Y Sung, T S. M. Sifzizul, A W. M. Effendy   +5 more
doaj   +1 more source